CN101054779B - Regeneration method for waste composite paper film - Google Patents
Regeneration method for waste composite paper film Download PDFInfo
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- CN101054779B CN101054779B CN2007101007192A CN200710100719A CN101054779B CN 101054779 B CN101054779 B CN 101054779B CN 2007101007192 A CN2007101007192 A CN 2007101007192A CN 200710100719 A CN200710100719 A CN 200710100719A CN 101054779 B CN101054779 B CN 101054779B
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- China
- Prior art keywords
- paper
- water
- separating step
- plastic film
- fiber
- Prior art date
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Links
- 239000002131 composite material Substances 0.000 title claims abstract description 49
- 239000002699 waste material Substances 0.000 title claims abstract description 46
- 238000011069 regeneration method Methods 0.000 title abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 79
- 239000000835 fiber Substances 0.000 claims abstract description 65
- 229920003023 plastic Polymers 0.000 claims abstract description 56
- 239000004033 plastic Substances 0.000 claims abstract description 56
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 44
- 239000002985 plastic film Substances 0.000 claims abstract description 42
- 229920006255 plastic film Polymers 0.000 claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000005060 rubber Substances 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000011888 foil Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 78
- 239000007788 liquid Substances 0.000 claims description 45
- 239000005030 aluminium foil Substances 0.000 claims description 41
- 239000000047 product Substances 0.000 claims description 35
- -1 alkyl phosphate diethanolamine salt Chemical compound 0.000 claims description 33
- 239000012528 membrane Substances 0.000 claims description 25
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 21
- 239000004411 aluminium Substances 0.000 claims description 20
- 239000006185 dispersion Substances 0.000 claims description 19
- 230000000740 bleeding effect Effects 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000005189 flocculation Methods 0.000 claims description 12
- 230000016615 flocculation Effects 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 12
- 239000012634 fragment Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 238000005188 flotation Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 6
- 230000008961 swelling Effects 0.000 claims description 6
- 229910001385 heavy metal Inorganic materials 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000005065 mining Methods 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- UZFMBTHANHHTEK-UHFFFAOYSA-N 1-benzylnaphthalene;sodium Chemical compound [Na].C=1C=CC2=CC=CC=C2C=1CC1=CC=CC=C1 UZFMBTHANHHTEK-UHFFFAOYSA-N 0.000 claims description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000002280 amphoteric surfactant Substances 0.000 claims description 4
- 239000003945 anionic surfactant Substances 0.000 claims description 4
- 125000002091 cationic group Chemical group 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 235000019253 formic acid Nutrition 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 238000007127 saponification reaction Methods 0.000 claims description 4
- 229950011392 sorbitan stearate Drugs 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 229920001291 polyvinyl halide Polymers 0.000 claims description 3
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 claims description 2
- ZMESHQOXZMOOQQ-UHFFFAOYSA-N 1-(naphthalen-1-ylmethyl)naphthalene Chemical compound C1=CC=C2C(CC=3C4=CC=CC=C4C=CC=3)=CC=CC2=C1 ZMESHQOXZMOOQQ-UHFFFAOYSA-N 0.000 claims description 2
- FMFCYGMAIKQDEP-GMFCBQQYSA-N 2-[methyl-[(z)-octadec-9-enoyl]amino]ethanesulfonic acid;sodium Chemical compound [Na].CCCCCCCC\C=C/CCCCCCCC(=O)N(C)CCS(O)(=O)=O FMFCYGMAIKQDEP-GMFCBQQYSA-N 0.000 claims description 2
- CYEJMVLDXAUOPN-UHFFFAOYSA-N 2-dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=CC=C1O CYEJMVLDXAUOPN-UHFFFAOYSA-N 0.000 claims description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 2
- 244000060011 Cocos nucifera Species 0.000 claims description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 2
- 229920001800 Shellac Polymers 0.000 claims description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 229920004890 Triton X-100 Polymers 0.000 claims description 2
- 239000013504 Triton X-100 Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 235000004279 alanine Nutrition 0.000 claims description 2
- RGCKGOZRHPZPFP-UHFFFAOYSA-N alizarin Chemical compound C1=CC=C2C(=O)C3=C(O)C(O)=CC=C3C(=O)C2=C1 RGCKGOZRHPZPFP-UHFFFAOYSA-N 0.000 claims description 2
- 150000005215 alkyl ethers Chemical class 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 159000000013 aluminium salts Chemical class 0.000 claims description 2
- 229910000329 aluminium sulfate Inorganic materials 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims description 2
- 229940077388 benzenesulfonate Drugs 0.000 claims description 2
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 claims description 2
- 239000007844 bleaching agent Substances 0.000 claims description 2
- YALMXYPQBUJUME-UHFFFAOYSA-L calcium chlorate Chemical compound [Ca+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O YALMXYPQBUJUME-UHFFFAOYSA-L 0.000 claims description 2
- 235000019864 coconut oil Nutrition 0.000 claims description 2
- 239000003240 coconut oil Substances 0.000 claims description 2
- 239000007859 condensation product Substances 0.000 claims description 2
- 150000002190 fatty acyls Chemical group 0.000 claims description 2
- 239000011256 inorganic filler Substances 0.000 claims description 2
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- WIBFFTLQMKKBLZ-SEYXRHQNSA-N n-butyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCCC WIBFFTLQMKKBLZ-SEYXRHQNSA-N 0.000 claims description 2
- UEOSCCNNVIFTEC-UHFFFAOYSA-N octane;phenol Chemical compound OC1=CC=CC=C1.CCCCCCCC UEOSCCNNVIFTEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 235000019198 oils Nutrition 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 229920001451 polypropylene glycol Polymers 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 claims description 2
- 238000009418 renovation Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 claims description 2
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 claims description 2
- 229940113147 shellac Drugs 0.000 claims description 2
- 239000004208 shellac Substances 0.000 claims description 2
- 235000013874 shellac Nutrition 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical class [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 claims description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 2
- MZSDGDXXBZSFTG-UHFFFAOYSA-M sodium;benzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1 MZSDGDXXBZSFTG-UHFFFAOYSA-M 0.000 claims description 2
- 239000001593 sorbitan monooleate Substances 0.000 claims description 2
- 229940035049 sorbitan monooleate Drugs 0.000 claims description 2
- 235000011069 sorbitan monooleate Nutrition 0.000 claims description 2
- SFVFIFLLYFPGHH-UHFFFAOYSA-M stearalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SFVFIFLLYFPGHH-UHFFFAOYSA-M 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 2
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000002357 osmotic agent Substances 0.000 claims 2
- AYAUBWSUZRFVQO-UHFFFAOYSA-N 2-[2-(4-phenyl-5-sulfanylidene-1h-1,2,4-triazol-3-yl)ethyl]benzo[de]isoquinoline-1,3-dione Chemical compound O=C1C(C=23)=CC=CC3=CC=CC=2C(=O)N1CCC1=NNC(=S)N1C1=CC=CC=C1 AYAUBWSUZRFVQO-UHFFFAOYSA-N 0.000 claims 1
- 229910001387 inorganic aluminate Inorganic materials 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- 238000012805 post-processing Methods 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 16
- 230000008929 regeneration Effects 0.000 description 15
- 239000011248 coating agent Substances 0.000 description 12
- 238000000576 coating method Methods 0.000 description 12
- 238000011049 filling Methods 0.000 description 8
- 235000013361 beverage Nutrition 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 235000013365 dairy product Nutrition 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000005549 size reduction Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
A regeneration method for waste composite paper film material includes a separation step (1) and a separation step (2), wherein the separation step (1) mainly separates mostly paper fiber, and the separation step (2) further separates plastic film or/and plastic-aluminum composite film. The method including two steps can increase quality and quantity of regenerating paper, and reduce content of the plastic film and aluminum foil in the regenerating paper. The waste composite paper film material can be separated and regenerated without pollution, and can be used as raw material or auxiliary material for paper industry, rubber and plastic product industry and aluminum industry, wherein all kinds of recovery components are utilized.
Description
Technical field
The present invention propose a kind of mainly by the regeneration of the compound paper film class discarded object of paper fiber, plastics, aluminium foil, utilize method, relate to the Regeneration Treatment of solid waste such as waste paper, waste plastics, belong to the technological category of environmental protection, solid waste comprehensive utilization.
Background technology
Compound paper film class discarded object is meant, by paper fiber and plastic film or/and the paper that aluminium foil is combined into, or " paper " film that is combined into by plastic film and aluminium foil.Compound paper film material is in nearest several years; Its Application Areas is in continuous expansion; For example; The box-packed dairy products of buying in the supermarket now, beverage etc. are packed by the composite sheet of " Tetrapack " by a kind of brand, this " Tetrapack " paper be exactly a kind of by wood pulp fibre, polyethylene or/and polypropylene plastic film, the sticking compound paper membrane material that is composited of aluminium foil three layer; Have, the many non-bottled medicine of from pharmacy, buying now is enclosed in " paper " plate or film bag that is combined into by plastic film and aluminium foil again.
Because this compound paper waterproof that film material has, corrosion resistant various advantages are popular among the consumer in modern times, it is one of principal item of doing now the disposable commodities packing timber; In addition, also be because waterproof, the corrosion resistant characteristics that this compound paper film material is had have brought very big difficulty for the regeneration of this type paper film discarded object, make it become unwelcome material in conventional regeneration resources such as recycled writing paper, regenerated plastics industry!
This novel paper film class discarded object is difficult to probing into of the problem of regenerating, and conclusion is got up, and has following several at least:
1. because the existence of plastic film is arranged, the paper fiber in this paper film is difficult to absorb water in the regenerative process that is soaked in water, thereby can not get dissolving wet, swelling, and is not dissolved paper fiber wet, swelling, can't be broken into slurry in the making beating operation workshop section in following road;
2. from useless compound paper film material, want separating paper fiber, plastic film, aluminium foil three; But often be how much to carry in addition one of both or both secretly in three's product of its gained; And thisly be mingled with that content still fluctuates, this utilizes for the batching of this three's reworked material again and bring the unsettled trouble of product.
3. useless compound paper film material is the process that is collected from society; Also can bring the residue of dairy beverage etc. in the material into, also can contain the polyvinylhalide coating materials of heavy metal composition, impurity such as silt; The existence of these impurity, make when regeneration not to environmental emissions be become impossible.
Summary of the invention
The objective of the invention is: provide a kind of compound paper film class discarded object regeneration, utilize method; It is characterized in that: its separation regeneration contamination-freely; Make it become paper industry, product of rubber and plastic industry, relate to the raw and auxiliary material product of aluminium industry, make all reclaim compositions and all be utilized.
Inventive concept
Design of the present invention is:
1. be divided into separating step (1) and separating step (2) to the regenerative process of paper fiber, plastic film, aluminium foil; From compound paper film class discarded object, separate the paper fiber at the first emphasis of separating step (1), so that the paper fiber of gained is pure as much as possible; In separating step (2), emphasis is separated plastic film and aluminium foil again, so that the plastic film of gained and aluminium foil also can be pure as much as possible.
2. having water at one or two tears in the equipment of dispersal device with mechanical stranding the with the hands; Implement separating step (1) or implement separating step (1) and separating step (2); In implementation process, add entry or water and bleeding agent, the crease that water-soluble fluid power is rubbed with the hands from the composite paper film material be torn into, fenestra etc., the adhesive layer that acts on paper and mould by the chemistry and/or the mechanicals efforts of water or water and co-penetrant; Or mould the adhesive layer with aluminium, or the adhesive layer of paper fiber and aluminium.
3. a raw and auxiliary material product set that comprises paper industry, product of rubber and plastic industry and relate to industries such as metallic aluminium is set; As compound paper film class discarded object by the product form that utilizes again; Make the compound paper film class discarded object of collecting from various recycling channels after separating processing, can both become useful product, and no longer include the waste discharge in the process.
Embodiment
Specifically, the embodiment of technical conceive of the present invention is:
A kind of regeneration of waste composite paper film material, the method for utilization, described regeneration is characterized in that: comprise separating step (1) or separating step (1) and separating step (2) at least; Wherein,
Separating step (1) is the waste composite paper film material of forming by paper fiber and plastic film or/and aluminium foil; Place one to have water and be provided with the mechanical equipment that tears dispersal device of rubbing with the hands; Describedly be provided with that to rub the equipment tear dispersal device with the hands can be pulper commonly used in the paper industry or agitator tank (bath) etc.; Can add bleeding agent again in the described water; Under the liquid temperature of room temperature～100 ℃, the stirring through controlling equipment is or/and rotating speed, the flow velocity of rotating cage or/and water circulation pump etc., the solid-liquid that feeds intake ratio; Every batch technological parameters such as processing time; Reach the paper fiber that makes in the waste composite paper film material and dissolved wet, swelling earlier, its rub with the hands broken be discrete shape is only arranged fiber with complete as far as possible plastic film or/and mould the mixing turbid liquid state of aluminum composite membrane, this mixes discrete official form for filing a lawsuit fiber in turbid liquid and tears the separated taking-up with aqueous solution outflow in the filter hole of rotating cage etc. from stranding then; Take off the complete plastic film that obtains behind the liquid or/and mould aluminum composite membrane, can send into separating step (2) row processing more again through break after the packing;
In the above-mentioned steps; Mix in the turbid liquid, control process parameters makes the paper fiber in the waste composite paper film material dissolve wet, swelling, rubs the broken fiber that is discrete shape with the hands; Make complete as far as possible plastic film or/and mould aluminum composite membrane simultaneously, most of plastic film is not or/and to mould aluminum composite membrane broken; The 0.01m that promptly produces with the paper fiber pulp of gained
2In the paper sample, the aluminium foil that is mingled with is less than 100 points, and every area is at 0.1～0.5mm
2Between for the degree.
In the operation of separating step (1), the technological parameter of its operation will be controlled at the big portion of paper fiber ability or all torn by stranding and tell, and aluminium foil and plastic film are also complete as far as possible for spending; Operating procedure parameter described in the separating step (1) is meant:
A. fluid temperature in room temperature～100 ℃ scope, be good with 60～80 ℃ of scopes;
B. speed of agitator is 100～800 rev/mins of scopes;
C. " solid-liquid " weight ratio that feeds intake is in 7～40/100 scopes;
D. the filter aperture is in 3～20mm scope;
E. in the aqueous solution content of bleeding agent in 0～10wt% scope;
F. the pH that mixes turbid liquid is in 6～9 scopes;
G. the operating time was 20～90 minutes scopes;
H. equipment and water circulation pipe are good to be provided with heat-insulation layer;
Separating step (2) be with by after separating step (1) operation remove or major part removes fiber moulds the aluminium composite paper film; Or contain plastic film, the aluminium foil of a small amount of paper fiber; Also place one to have water or water and be provided with the equipment that dispersion, rotating cage device are torn in the machinery stranding; The described machinery that is provided with is rubbed the equipment that tears dispersion, rotating cage device with the hands; Can be the combination of pulper or agitator tank (bath) or pulper, agitator tank (bath) container and stirring pool, add the water that contains bleeding agent again, under suitable solution medium, liquid temperature, stirring condition; Utilize immersion, cleaning, suspension, the rolling action of solution to composite paper film; Paper film material is moderately rubbed there being water to rub with the hands in the equipment tear dispersions, rotating cage device again, make it formerly in water, be in a small amount of paper fiber of sticking combined state, middle amount aluminium foil, a large amount of plastic film three and be broken into three's unsticking, broken material, and the three is discrete shape, outstanding turbid shape distribution by stranding with machinery; So just can make aluminium foil fragment, the bits grain of unsticking, discrete a small amount of paper fiber and middle amount; From the filter hole of separating rotating cage etc., flow out together,, telling plastic film with rotating cage and having in the presence of the enough water because the paper fibre weight relative quantity in this moment solution seldom with the aqueous solution; Loose paper fiber has been not enough to hinder the deposition more than the heavy aluminium foil fragment of water, bits grain; So by step (2) obtain this contain a small amount of paper fiber and in the aqueous solution of amount aluminium foil fragment, bits grain separate through quiet liquid and just can from the bottom effluent of feed liquid, obtain pure aluminum foil fragment, bits grain, from the top effluent of feed liquid, separate obtaining the paper fiber, advance machine once more after the water recirculation of the telling purification and be utilized; Stranding through a period of time is torn, fluid, separation, the operation of water inlet again, and tearing what pull out the dispersion machine from stranding is exactly to have removed the waste plastic film of paper fiber, aluminium foil.
In the operation of separating step (2), its operation will be controlled at and make paper fiber, aluminium foil, plastic film three be discrete shape for spending; Operation described in the separating step (2) is satisfied:
A. the liquid temperature is room temperature～90 ℃, is good with 60～80 ℃;
B. speed of agitator is 100～800 rev/mins of scopes;
C. feeding intake in stirred vessel " solid-liquid " weight ratio is being 0.8～1.0/4～6;
D. the aperture of rotating cage filter is in 3～20mm scope;
E. in the aqueous solution content of bleeding agent in 0.01～10wt% scope;
F. the pH of feed liquid is 1～9;
G. the operating time is 20～120 minutes scopes;
H. equipment and water circulation pipe are good to be provided with heat-insulation layer;
Described in step (1) and the step (2) and bleeding agent, be one or more the combination that is selected from the category-A material that is described below, its addition is 0～10% (weight) of water consumption:
Bleaching powder, hydrogen peroxide solution, sodium formaldehyde sulfoxylate, clorox, calcium hypochlorite, potassium chlorate, calcium chlorate, formic acid, acetate, acetic anhydride, citric acid, sulfuric acid, phosphoric acid etc.,
With one or more the combination that is selected from type of being described below B material, its addition is 0～0.5% (weight) of water consumption:
(a) cationic surface active agent, (b) anionic surfactant, (c) nonionic surface active agent, (d) amphoteric surfactant, wherein said:
(a) cationic surface active agent includes but not limited to: the combination of one or more of stearyl dimethyl benzyl ammonium chloride, dodecyl benzyl dimethyl ammonium chloride, triethanolamine list olein, alkyl phosphate diethanolamine salt, octadecyl dimethyl ethoxy quaternary ammonium nitrate, trihydroxyethyl quaternary ammonium Methylsulfate etc.;
(b) anionic surfactant; Include but not limited to: saponification rosin, saponification shellac, stearic saponified, fatty saponified, aerosol-OT salt, 1, the combination of one or more of 2-dibutyl naphthalene-6-sodium sulfonate, n butyl oleate sulfuric ester sodium salt, N-oleoyl N-methyltaurine sodium, sodium lauryl sulfate, condensation product, potassium alkyl phosphate, lauryl alcohol phosphate kalium salt, soap etc. methoxyl group fatty acyl amido benzene sulfonic acid sodium salt, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, polyoxyethylene alkyl ether sulfate sodium salt, benzyl naphthalene sodium sulfonate, turkey red oil, dinaphthyl methane sodium disulfonate, dispersing agent MF, benzyl naphthalene sodium sulfonate and formaldehyde;
(c) nonionic surface active agent includes but not limited to: the combination of one or more of coconut oil alkyl oxalamide, AEO, dodecyl phenol polyethenoxy ether, octane phenol APEO, sorbitan stearate, sorbitan monooleate, sorbitan stearate APEO, polypropylene glycol and ethylene oxide adduct, coconut Brij, Triton X-100 etc.;
(d) amphoteric surfactant includes but not limited to: the combination of one or more of N-dodecyl alanine, empgen BB etc.
The used bleeding agent that reaches in separating step (1), the addition of A+B sum wherein is 0～10% (weight) of water consumption;
The used bleeding agent that reaches in the separating step (2), the addition of A+B sum wherein is 0.01～10% (weight) of water consumption.
Regeneration of the present invention also comprises: will carry out the water flotation with the waste plastic film that removes or do not contain paper fiber, aluminium foil, and heavy to remove like polyvinylhalide, halogenated polyethylene, contain impurity such as plastics and the stone of more inorganic filler, big metal derby.
Used water in separating step (1), separating step (2) and water flotation; After its outflow stranding is torn dispersion machine, water floation tank and is divided paper delivery fiber, aluminium foil bits, plastic film again; Gather aluminium and make purified treatment or/and gather flocculant such as iron with known through water purifying tank again, the water circulation after the purification is supplied with separating step (1), separating step (2) and water floation tank and is made to separate water.
Regeneration of the present invention, its characteristic also comprises: use rubber and plastic, mining industry to use pulverizer, when pulverizing hard ware material, add and mould material the containing of one or more that is described below:
The assorted waste plastics that the proportion that is obtained by the water flotation is bigger, not through the compound paper film class discarded object of separating treatment, aluminum-plastic composite membrane contains the waste plastics of heavy metal;
Or contain and mould material and add with the air dry material of flocculation water purification mud; Obtain by weight contain that to mould material be 5～20%; The air dry material 95～80% of flocculation water purification mud; Or the air dry material and the hard inorganic mineral powder material 95～80% of flocculation water purification mud, add up to 100% contain and mould the filling master batch product;
The above-mentioned masterbatch of gained is pricked through roller and is handled, and obtains the sheet bits and moulds filler parent granule or rubber master batch product containing of shape.
Utilization of the present invention is: except the regeneration of aforementioned waste composite paper film being separated the paper fiber that obtains, aluminium foil bits grain, polyethylene or/and polypropylene plastic film, aluminum-plastic composite membrane; Be processed into paper industry, relate to outside the utilization of raw and auxiliary material of Aluminum, plastic product industry with known technology then; The bigger assorted waste plastics of proportion that the present invention also regenerates waste composite paper film to be obtained by the water flotation in the separation process; From the flocculation solid mud that obtains after water circulation purifies, through the compound paper film class discarded object of separating treatment with ing, the employing comminuting method; Contamination-freely process the filling master batch or master batch or the rubber master batch product that contain plastics, come waste composite paper film is utilized more completely.
One of utilization of the present invention; Promptly system contains the advantage of utilizing scheme of moulding filling master batch, master batch, rubber master batch product and is: in the process of pulverizing preparation; Processing temperature does not arrive the decomposition temperature of plastics, in the preparation process and resulting material do not have the serious dust that flies upward.
A kind of waste composite paper film regeneration according to the invention, the method for utilizing are: the full component of waste composite paper film, regenerate in all directions, utilize; No waste material in regenerating; Obtain a raw and auxiliary material product set that can be used as paper industry, product of rubber and plastic industry and relate to industries such as aluminium, this product set specifically comprises:
A. must add component, be used to the rubber-plastic goods and already make dustless filler, contain filling master batch or the master batch or the rubber master batch product of assorted waste plastics or assorted waste plastics and mud composition; With,
B. choosing adds component, is used to paper-making industry and makes recycled writing paper fiber pulp or the paper fiber pulp of raw material and the paper product of being made thereof; Or/and,
C. choosing adds component, and the regenerated polythene that is used to plastic product industry is or/and polypropylene plastics particle product; Or/and,
D. choosing adds component, is used to the aluminium bits product that aluminium ingot, aluminium powder, fireworks, aluminium salt etc. relate to Aluminum; Or/and,
E. choosing adds component, is used to do in plastic product industry, the waterproof roll industry etc. conduction or supplementary material such as antistatic and reflective, and the regenerated polythene that contains aluminium foil bits powder is or/and polypropylene plastics particle product.
The specific embodiment
Embodiment 1
Batching: get 100 parts of " Tetrapack " waste composite paper beverage cartridges paper coating materials of collecting from society, put it and tear in the dispersion machine, add 450 parts of entry again in stranding, 0.01 part of dispersing agent MF, the pH of feed liquid is 7 ± 0.2;
Implement separating step (1) operation: start motor; At room temperature stirring operation begins after 20 minutes the feed liquid that contains the paper fiber is emitted; The feed liquid of emitting through the solid-liquid separation process of routine and mechanical separation will be wherein paper fiber filter, the taking-up of washing back, promptly obtain can be used for the paper fiber pulp of paper-making industry; Divide the water that washes out to enter water purifying tank; Pump is got in the water purifying tank the water of purified treatment and is added to rub with the hands and tear in the dispersion machine for about 450 parts again; According to paper coating materials separation case; Can add dispersing agent MF (as 0.003 part etc.) more in right amount, start motor again, at room temperature operate the feed liquid that will contain the paper fiber after about 20 minutes again to emit;
Through separating step (1) cycling so 2 to 4 times; Just can tell the paper fiber of 90% to 98% in " Tetrapack " waste composite paper beverage cartridges paper coating materials; Can obtain 60～65 parts of paper fiber pulp (in butt), the aluminium foil that is mingled with in the paper fiber pulp of gained is discontented with 10 point (every 0.1～0.5mm
2/ individual aluminium foil)/0.01m
2The paper sample;
To tear the dispersion machine from stranding and take out to have removed " Tetrapack " waste composite paper beverage cartridges paper coating materials of paper fiber again, carry out the operation of separating step (2).
Batching: 100 parts of compound coating materials getting after separating step (1) operating process surplus plastic-aluminum only; Putting it tears in the dispersion machine in the stranding that machine is outside equipped with heat-insulation layer in another; About 500 parts of the water that adds 100 ℃ again; Add concentration and be about 15 parts of 85% commodity formic acid, add 0.1 part of AEO, the pH regulation and control of feed liquid are 4.5～5.5;
Implement separating step (2) operation: control material temperature is not less than 60 ℃; Start and rub the stirring motor that tears dispersion machine with the hands; Operate after 30～40 minutes, begin the feed liquid that contains aluminium foil fragment, bits grain etc. is emitted, the feed liquid of emitting is through quiet liquid separating technology and machinery with routine; Aluminium foil fragment, the bits grain post precipitation of its feed liquid bottom are taken out, with also taking out after a small amount of paper fiber filter in the feed liquid, the washing; Divide the water that washes out to enter water purifying tank; Pump is got in the water purifying tank the water of purified treatment and is added to rub with the hands and tear in the dispersion machine for about 500 parts again, according to plastic-aluminum coating materials separation case, can add formic acid (as 1 part etc.) more in right amount; Can add AEO (as 0.05 part etc.) more in right amount; Start motor again, be not less than 60 ℃ of following stirring operations after about 20 minutes, the feed liquid that will contain aluminium foil fragment, bits grain is again emitted;
Through separating step (2) cycling so 2 to 3 times; Just can tell the aluminium foil of 95% to 99% in " Tetrapack " waste composite paper beverage cartridges paper coating materials; Can obtain aluminium foil fragment, bits grain (in butt) 22～25 parts; Regather and obtain 0.2～2 part of paper fiber pulp (in butt), from rub extension set with the hands, take out remaining plastic film (in butt) about 72～73 parts.
The separating step of present embodiment (1), separating step (2) can be implemented in same stranding extension set, but good to be split up into, and can avoid rubbing with the hands in the step (2) the aluminium bits of telling like this and infiltrate in the paper fiber pulp.
Embodiment 2
About 100 parts of the plastic film behind paper fiber, the aluminium of having got removing of embodiment 1 gained; Being placed on one can deposit in the pond of 2000 parts of water approximately; Add entry, again the plastic film material is stirred the pine of performing fighting, leave standstill; Raise and get the plastic film of pond layer waterborne, these lighter plastic films are exactly that the water floatation is separated the polyethylene that obtains or/and the polypropylene plastics coating materials; And be sunken in the water or water-bed be exactly the bigger assorted waste plastics of proportion, comprising the Halogen class polyolefin waste plastics that contains heavy metal stabilizer is arranged;
This routine water floatation is separated the polyethylene that obtains or/and the polypropylene plastics coating materials adopts known technology to carry out the granulation regeneration of plastics, and the regenerated polythene that just can obtain being used to plastic product industry is or/and the polypropylene plastics particle;
This routine water floatation is separated the bigger assorted waste plastics of proportion that obtains; Press assorted waste plastics: the ratio of the air dry material of water treatment gained mud and the weight of dolomite is 5～20: 95～80 scopes feed intake; Drop into them together in the mining vertical atomizer mill and to pulverize; Because this mining vertical atomizer mill is a kind of kind hard machinery of eating, mineral aggregates such as the air dry material of pulverizing mud and dolomite, material once mistake machine are easy to be ground into be narrower than and equal 200 purpose fine powders; Adding is a spot of in hard material has pliability but the easy stabbing assorted waste plastics that cuts; Do not have a strong impact on the discharging of size reduction machinery, and the mixed powder of gained do not have the dust from flying property of pure breeze big, this mixed powder that is come out by size reduction machinery is exactly a kind of filling master batch that product of rubber and plastic is already filled usefulness that is used to; If after again this filling master batch being processed with rubber and plastic roller mill backing already commonly used, just can obtain the filling rubber master batch grain or the rubber master batch of sheet bits shape.
Embodiment 3
Get that only the compound coating materials of surplus plastic-aluminum is an amount of after embodiment 1 separating step (1) operating process; Adopt known plastic granulating regeneration techniques that this plastic-aluminum combined coating materials is carried out the granulation operation; Just can obtain being used to doing in plastic product industry, the waterproof roll industry etc. conduction or supplementary material such as antistatic and reflective, the regenerated polythene that contains aluminium foil bits powder is or/and the polypropylene plastics particle.
Embodiment 4
Get among the embodiment 2 by the water floatation and separate 5～20 parts of the bigger assorted waste plastics of the proportion that obtains, the mud that from the flocculation water purifying tank, obtains is 10～20 parts of siccatives after air dry again, and all the other are lime stone; Weight adds up to 100 parts; Drop into them together in the mining vertical atomizer mill and to pulverize, obtain by weight contain that to mould material be 5～20%, the air dry material 10～20% of flocculation water purification mud; With limestone mine powder 75～40%, add up to 100% contain and mould filling master batch.
The above-mentioned description to embodiment is can understand and use the present invention for ease of the those of ordinary skill of this technical field.The personnel of skilled obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (10)
1. the renovation process of a waste composite paper membrane material comprises separating step (1) and separating step (2); Wherein,
The waste composite paper membrane material that separating step (1) is formed paper fiber and plastic film or/and aluminium foil places one to have water and be provided with the mechanical equipment that tears dispersal device of rubbing with the hands,
Described being provided with rubbed the equipment tear dispersal device with the hands and comprised pulper or agitator tank (bath) commonly used in the paper industry,
Add in the described water or do not add bleeding agent, operating procedure is following:
(a) under the fluid temperature of room temperature～100 ℃; Stirring through controlling equipment or/and rotating cage or/and the rotating speed of water circulation pump, flow velocity, the solid-liquid ratio that adjustment feeds intake, every batch processed time; The waste composite paper film material paste is carried out preliminary treatment, obtain mixing turbid liquid;
Mix in the turbid liquid, control process parameters makes the paper fiber in the waste composite paper membrane material dissolve wet, swelling, rubs the broken fiber that is the shape that disperses, and makes most of plastic film or/and to mould aluminum composite membrane not broken simultaneously; The 0.01m that promptly produces with the separating obtained paper fiber pulp of this step
2In the paper sample, the aluminium foil that is mingled with is less than 100 points, and every area is at 0.1～0.5mm
2Between for the degree;
(b) taking-up is separated in the filter hole that the discrete official form for filing a lawsuit fiber that step (a) is obtained tears the rotating cage place through stranding, by conventional paper technology, manufactures paper with pulp into market pulp;
(c) with plastic film or/and mould aluminum composite membrane and take off liquid, remove most of fiber, send into separating step (2) after the packing and handle;
Separating step (2) will be through the plastic film that removes most of fiber after separating step (1) (c) is operated or/and mould aluminum composite membrane, place one to have water or water and be provided with machinery and rub the equipment that tears dispersion, rotating cage device with the hands and carry out post processing; The described machinery that is provided with is rubbed the equipment that tears dispersion, rotating cage device with the hands, comprises the combination of pulper or agitator tank (bath) or pulper, agitator tank (bath) container and stirring pool; Operating procedure is following:
(a) is in certain osmotic agent solution in the separating step (2); Fluid temperature; Under the stirring condition; Utilize osmotic agent solution to plastic film or/and mould aluminum composite membrane and soak; Clean; Suspend; Rolling action; Rub with the hands with machinery and tear dispersion there being water; In the equipment of rotating cage device with plastic film or/and mould aluminum composite membrane and rub; Make it formerly in water, be in sticking combined state; Account for the paper fiber of composite membrane insufficient total amount 5wt%; Account for the aluminium foil of composite membrane total amount 20-30wt%; The plastic film of institute's surplus; This three is broken into mutual unsticking by stranding; Broken; Discrete state
(b) turbid liquid that is obtained by (a) obtains plastic film from the filter hole separation that separates rotating cage, obtains the regenerated plastics particle through conventional granulation; Obtain unsticking, the discrete paper fiber that accounts for composite membrane insufficient total amount 5wt% simultaneously and account for the aluminium foil fragment of composite membrane total amount 20-30wt%, the turbid liquid of bits grain,
The turbid liquid of paper fiber that accounts for composite membrane insufficient total amount 5wt% that (c) is obtained by (b) and the aluminium foil fragment that accounts for composite membrane total amount 20-30wt%, bits grain is through standing separation; From the bottom effluent of feed liquid, obtain pure aluminum foil fragment, bits grain as the secondary aluminium material; From the top effluent of feed liquid, separate and obtain the paper fiber; By conventional paper technology, manufacture paper with pulp into market pulp
(d) by (c) remaining turbid liquid through the stranding of a period of time tear, fluid, separation, the operation of water inlet again, tear the waste plastic film that has obtained removing paper fiber, aluminium foil the dispersion machine from stranding, advance machine once more after the water recirculation of telling purifies and be utilized.
2. the method for claim 1 is characterized in that:
In the operation of separating step (1), the technological parameter of described operation is meant: the paper fiber in the waste composite paper membrane material dissolves wet, swelling, rubs the broken fiber that is the shape that disperses, and makes most of plastic film or/and to mould aluminum composite membrane not broken simultaneously; The 0.01m that promptly produces with the paper fiber pulp of gained
2In the paper sample, the aluminium foil that is mingled with is less than 10 points, and every area is at 0.1～0.5mm
2Between for the degree; That is,
A. fluid temperature is between ℃ scope of room temperature～100;
B. speed of agitator is 100～800 rev/mins of scopes;
C. " solid-liquid " weight ratio that feeds intake is in 7～40/100 scopes;
D. the filter aperture is in 3～20mm scope;
E. in the aqueous solution content of bleeding agent in 0～10wt% scope;
F. the pH that mixes turbid liquid is in 6～9 scopes;
G. the operating time was 20～90 minutes scopes;
H. equipment and water circulation pipe are provided with heat-insulation layer;
In separating step (2) operation (a), its operation will be controlled at and make paper fiber, aluminium foil, plastic film three be the degree of discrete shape; Operation described in the separating step (2) is satisfied:
A. fluid temperature is between ℃ scope of room temperature～90;
B. speed of agitator is 100～800 rev/mins of scopes;
C. feeding intake in stirred vessel " solid-liquid " weight ratio is being 0.8～1.0/4～6;
D. the aperture of rotating cage filter is in 3～20mm scope;
E. in the aqueous solution content of bleeding agent in 0.01～10wt% scope;
F. the pH of feed liquid is 1～9;
G. the operating time is 20～120 minutes scopes;
H. equipment and water circulation pipe are provided with heat-insulation layer.
3. method as claimed in claim 2, it is characterized in that separating step (1) (a) fluid temperature between 60～80 ℃; Separating step (2) (a) fluid temperature between 60～80 ℃.
4. like claim 1 or 2 or 3 described methods, it is characterized in that the bleeding agent that uses in step 1 or 2, be one or more the combination that is selected from the category-A material that is described below, the material consumption accounts for 0～10wt% of the consumption of dispersion liquid water:
Bleaching powder, hydrogen peroxide solution, sodium formaldehyde sulfoxylate, clorox, calcium hypochlorite, potassium chlorate, calcium chlorate, formic acid, acetate, acetic anhydride, citric acid, sulfuric acid, phosphoric acid,
With one or more the combination that is selected from the category-B material that is described below, the material consumption account for dispersion liquid water consumption 0～0.5wt%:
(a) cationic surface active agent, (b) anionic surfactant, (c) nonionic surface active agent, (d) amphoteric surfactant, wherein said:
(a) cationic surface active agent includes but not limited to: the combination of one or more of stearyl dimethyl benzyl ammonium chloride, dodecyl benzyl dimethyl ammonium chloride, triethanolamine list olein, alkyl phosphate diethanolamine salt, octadecyl dimethyl ethoxy quaternary ammonium nitrate, trihydroxyethyl quaternary ammonium Methylsulfate;
(b) anionic surfactant; Include but not limited to: saponification rosin, saponification shellac, stearic saponified, fatty saponified, aerosol-OT salt, 1, the combination of one or more of 2-dibutyl naphthalene-6-sodium sulfonate, n butyl oleate sulfuric ester sodium salt, N-oleoyl N-methyltaurine sodium, sodium lauryl sulfate, condensation product, potassium alkyl phosphate, lauryl alcohol phosphate kalium salt, soap methoxyl group fatty acyl amido benzene sulfonic acid sodium salt, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, polyoxyethylene alkyl ether sulfate sodium salt, benzyl naphthalene sodium sulfonate, turkey red oil, dinaphthyl methane sodium disulfonate, dispersing agent MF, benzyl naphthalene sodium sulfonate and formaldehyde;
(c) nonionic surface active agent includes but not limited to: the combination of one or more of coconut oil alkyl oxalamide, AEO, dodecyl phenol polyethenoxy ether, octane phenol APEO, sorbitan stearate, sorbitan monooleate, sorbitan stearate APEO, polypropylene glycol and ethylene oxide adduct, coconut Brij, Triton X-100;
(d) amphoteric surfactant includes but not limited to: the combination of one or more of N-dodecyl alanine, empgen BB;
The used bleeding agent that reaches in separating step (1), the addition of A+B sum wherein is 0～10wt% of the consumption of dispersion liquid water;
The used bleeding agent that reaches in the separating step (2), the addition of A+B sum wherein is 0.01～10wt% of the consumption of dispersion liquid water.
5. the method for claim 1; Its characteristic also comprises: after step (2) (b) is operated, will remove or the waste plastic film that do not contain paper fiber, aluminium foil carries out flotation; To remove heavy polyvinylhalide, halogenated polyethylene, contain plastics and the stone of more inorganic filler, big metal derby impurity.
6. method as claimed in claim 5, its characteristic also comprises: the flotation of said flotation preferred water.
7. method as claimed in claim 5; Its characteristic also comprises: the assorted waste plastics that the proportion that is obtained by flotation is bigger, not through composite paper film discarded object, the aluminum-plastic composite membrane of separating treatment, contain the waste plastics of heavy metal; These four kinds of materials with the pulverizing hard ware material, refer in particular to air dry material that contains flocculation water purification mud or air dry material and the hard inorganic mineral powder material that contains flocculation water purification mud under the processing temperature of the melt temperature that is lower than plastics; Containing by weight moulding material is 5～20%; The air dry material 95～80% of flocculation water purification mud, or the air dry material and the hard inorganic mineral powder material 95-80% of flocculation water purification mud add up to 100% mixed; Use rubber and plastic, mining industry to pulverize, obtain containing molding powder powder masterbatch product with pulverizer.
8. the product that makes like the said method of claim 7; This molding powder powder masterbatch product feature that contains is: the assorted waste plastics that the proportion that is obtained by flotation is bigger, not through composite paper film discarded object, the aluminum-plastic composite membrane of separating treatment, contain these four kinds of material sums of waste plastics of heavy metal, with the weight ratio of the air dry material of flocculation water purification mud or with the weight ratio of the air dry material of flocculation water purification mud and hard inorganic mineral powder material 5～20: 95～80.
9. the product that obtains like the said method of claim 7 is characterized in that containing:
A. must add component, contain the material that adds assorted waste plastics or assorted waste plastics and mud composition again of molding powder powder masterbatch or its deep processing;
B. choosing adds component, recycled writing paper fiber pulp or paper fiber pulp and the paper product of being made thereof;
C. choosing adds component, and regenerated polythene is or/and the polypropylene plastics particle;
D. choosing adds component, and these relate to aluminium bits material of Aluminum to be used for aluminium ingot, aluminium powder, fireworks, aluminium salt after aluminium bits or the deep processing;
E. choosing adds component, and the regenerated polythene that contains aluminium foil bits powder is or/and the polypropylene plastics particle.
10. obtain the application of product like claim 1 or 2 or 3 or 5 or 7 said methods, the market pulp that obtains is applied to the paper product industry; The secondary aluminium bits that obtain are applied to manufacturing relate to Aluminum, comprise fireworks display fireworks, aluminium powder, aluminium paint, conductive powder, screened film, inorganic aluminate, organo-aluminum compound; With the regenerated plastics that obtain or contain molding powder powder masterbatch product and be applied to plastic rubber product industry.
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Cited By (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10278392B2 (en) | 2016-04-15 | 2019-05-07 | Ecolab Usa Inc. | Performic acid biofilm prevention for industrial CO2 scrubbers |
| US11882826B2 (en) | 2016-04-15 | 2024-01-30 | Ecolab Usa Inc. | Performic acid biofilm prevention for industrial CO2 scrubbers |
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| CN101054779A (en) | 2007-10-17 |
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