CN106746475A - Composite high-molecular Sludge Dewatering Flocculant and preparation method thereof - Google Patents
Composite high-molecular Sludge Dewatering Flocculant and preparation method thereof Download PDFInfo
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- CN106746475A CN106746475A CN201611117503.2A CN201611117503A CN106746475A CN 106746475 A CN106746475 A CN 106746475A CN 201611117503 A CN201611117503 A CN 201611117503A CN 106746475 A CN106746475 A CN 106746475A
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- 239000010802 sludge Substances 0.000 title claims abstract description 211
- 239000002131 composite material Substances 0.000 title claims abstract description 95
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- 239000002994 raw material Substances 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 27
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 24
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims abstract description 21
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 21
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 21
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 19
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000010452 phosphate Substances 0.000 claims abstract description 19
- -1 amines phosphate Chemical class 0.000 claims abstract description 18
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 18
- 229920001732 Lignosulfonate Polymers 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 21
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 20
- 230000018044 dehydration Effects 0.000 claims description 18
- 238000006297 dehydration reaction Methods 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 8
- 101001136034 Homo sapiens Phosphoribosylformylglycinamidine synthase Proteins 0.000 claims description 7
- 150000005857 PFAS Chemical class 0.000 claims description 7
- 102100036473 Phosphoribosylformylglycinamidine synthase Human genes 0.000 claims description 7
- JYWWHUGVBALUCU-UHFFFAOYSA-J [Fe+2](Cl)Cl.S(=O)(=O)([O-])[O-] Chemical compound [Fe+2](Cl)Cl.S(=O)(=O)([O-])[O-] JYWWHUGVBALUCU-UHFFFAOYSA-J 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000036541 health Effects 0.000 claims description 4
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 4
- DWNBOPVKNPVNQG-LURJTMIESA-N (2s)-4-hydroxy-2-(propylamino)butanoic acid Chemical compound CCCN[C@H](C(O)=O)CCO DWNBOPVKNPVNQG-LURJTMIESA-N 0.000 claims 1
- 235000009508 confectionery Nutrition 0.000 claims 1
- 150000002576 ketones Chemical class 0.000 claims 1
- 229920006316 polyvinylpyrrolidine Polymers 0.000 claims 1
- 238000012216 screening Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 40
- 238000000034 method Methods 0.000 abstract description 38
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 abstract description 15
- 239000010865 sewage Substances 0.000 abstract description 11
- 230000009467 reduction Effects 0.000 abstract description 7
- 230000006641 stabilisation Effects 0.000 abstract description 6
- 230000009931 harmful effect Effects 0.000 abstract description 5
- 239000010842 industrial wastewater Substances 0.000 abstract description 5
- 231100000614 poison Toxicity 0.000 abstract description 4
- 230000007096 poisonous effect Effects 0.000 abstract description 4
- 230000000295 complement effect Effects 0.000 abstract description 2
- 239000013500 performance material Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 1
- 208000005156 Dehydration Diseases 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 239000012065 filter cake Substances 0.000 description 11
- 239000011790 ferrous sulphate Substances 0.000 description 10
- 235000003891 ferrous sulphate Nutrition 0.000 description 10
- 230000016615 flocculation Effects 0.000 description 10
- 238000005189 flocculation Methods 0.000 description 10
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 10
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 10
- 230000003750 conditioning effect Effects 0.000 description 7
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 235000019738 Limestone Nutrition 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000010801 sewage sludge Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 229960003237 betaine Drugs 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000002738 chelating agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000003311 flocculating effect Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012024 dehydrating agents Substances 0.000 description 2
- 239000002781 deodorant agent Substances 0.000 description 2
- 238000001784 detoxification Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- RUECTJATXCACED-UHFFFAOYSA-N 2-aminoacetic acid;hydrate Chemical compound [OH-].[NH3+]CC(O)=O RUECTJATXCACED-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 241000158728 Meliaceae Species 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- NESLWCLHZZISNB-UHFFFAOYSA-M sodium phenolate Chemical compound [Na+].[O-]C1=CC=CC=C1 NESLWCLHZZISNB-UHFFFAOYSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/004—Sludge detoxification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
A kind of composite high-molecular Sludge Dewatering Flocculant, its raw material includes ethoxylated fatty amines phosphate, trimethylglycine, TEPA, heavy metal capturing agent, lignosulfonates, also including polyvinylpyrrolidone, activated carbon powder, composite high-molecular polyaluminum sulfate molysite and ethyl acetate.The invention additionally relates to the preparation method of the composite high-molecular Sludge Dewatering Flocculant.Complementary coordinative role causes that sludge specific resistance is greatly reduced between compatibility, performance material between each raw material, improve sludge dewatering effect and reduction, effectively removal poisonous and harmful and polluter, safety and stability non-secondary pollution, reduce follow-up specific resistance to filtration technique；Minimizing, stabilisation, the innoxious and resource of sludge are realized, is once added, it is simple to operate, and it is small to add dosage, it is adaptable to municipal sewage and industrial wastewater produce sludge dewatering treatment.
Description
Technical field
The invention belongs to environmental technology field, in particular it relates to composite high-molecular Sludge Dewatering Flocculant and its preparation side
Method.
Background technology
Sludge is the final product of sewage disposal, with the sustained and rapid development of China's economy and adding for urbanization paces
Hurry up, sewage disposal scale gradually expands, and sludge yield is consequently increased.Sludge components are more complicated, and the content of organic matter is higher, dirty
Dye thing concentration degree is high, contains a large amount of harmful pathogen, heavy metal, microorganism and its organic pollution.The minimizing day of sludge
Gradual change obtains important, and for the treatment of sludge, dehydration is most important pretreatment process, is to reduce sludge subsequent treatment and disposal
The very the key link of of cost.The hydrophily of sludge is strong, specific surface area is big, and dehydration difficulty is big, and mechanical dehydration efficiency is low.
Sludge is concentrated, is dehydrated, only reached the preliminary requirement of minimizing, then filled or burning disposal, easily produced
Secondary environmental pollution.
It is general using mechanism filter-pressing dehydration at present during sludge reduction, and dehydration flocculant is added, improve dehydration
Effect, current dehydration flocculant is main with inorganic substances as raw material or to be simply mixed based on composition, such as quick lime etc., is being taken off
Water effect and go that the aspect effect such as harmful pollutants such as removing heavy metals is undesirable, be unfavorable for follow-up recycling sludge treatment.
In a word, if realizing the dehydrating effect of sludge, minimizing, innoxious and resource, need to before sludge is dehydrated,
Carry out the conditioning of sludge to change the morphological feature of sludge solid phase particles, reduce sludge specific resistance, enhancing flocculation effect reduces operation
Difficulty, dehydrating effect can just get well；Sludge conditioning can be divided three classes：Chemical method, Physical, bioanalysis, among these chemical conditioning
Method is simple to operate, with low cost, technical maturity, effect is significant, is the most commonly used sludge conditioning method of current domestic and international application,
Therefore Sludge Dewatering Flocculant is used as the important use medicament of chemical conditioning method, will be as environmental technology field in recent years in dirt
The focus direction of mud treatment industry research and development.
At present, in the development of existing Sludge Dewatering Flocculant, exist and only consider sludge dewatering flocculating effect and have ignored
From the aspect of the apolegamy of raw material effect, environmental protection, cost etc., that is, lack while sludge dewatering treatment effect is realized from
Realize carrying out whole synthesis consideration and developing in minimizing, innoxious, stabilisation and the resource of sludge, such as：This application exists
Ferrous sulfate or iron chloride in terms of sewage disposal, it is general to be used in sludge dewatering then effect, and ferrous sulfate is not easy to
Accumulating, causes cost to raise, formaldehyde or phenol etc. have stronger toxicity, excitant and be unfavorable for environmental protection, calcium hydroxide or
The mud amount that pulverized limestone etc. can cause to be not easy to utilize while sludge dewatering treatment increases and is unfavorable for the follow-up resource of sludge
Change is utilized etc..
What Chinese patent announcement was announced has a kind of " Sludge Dewatering Flocculant and its dewatering " application case in the prior art
The Sludge Dewatering Flocculant, is made up of A agent and B agent；A agent includes ferrous sulfate, heavy metal chelating agent, semi-coke, pulverized limestone, alkane
Base amine polyoxyethylene ether phosphate, lignosulfonates；B agent includes glycine betaine, tetren, formaldehyde, ethanol, water.Profit
When being dehydrated to sludge with the Sludge Dewatering Flocculant, 1-4 parts of A agent of addition, 2-7 parts of B agent are pressed using mechanical filter press
Filter cake moisture content after filter dehydration（wt%）It is 38-43%.But, the Sludge Dewatering Flocculant and its dewatering need to add at twice
Plus flocculant, operation is cumbersome, and it is higher to add agent；Institute is usually used in sewage disposal aspect using raw material sulphuric acid ferrous iron tradition,
And it is general with the effect in sludge dewatering treatment, and ferrous sulfate raw material is not easy to accumulating, cost is also higher；Pulverized limestone is not
But do not accomplish that sludge reduction treatment can cause the mud amount increase for being not easy to utilize on the contrary, be unfavorable for sludge following resourceization profit
With；Formaldehyde has toxicity, excitant etc., there is potential safety hazard, is unfavorable for environmental protection etc..
The content of the invention
Flocculant is added twice in the prior art in order to solve the above, operate cumbersome technical problem, the present invention to carry
For a kind of composite high-molecular Sludge Dewatering Flocculant and preparation method thereof, the Sludge Dewatering Flocculant uses simple, sludge dewatering
Processing method is simple to operate.
In order to reach object above, the present invention is adopted the following technical scheme that：A kind of composite high-molecular Sludge Dewatering Flocculant,
Its raw material includes ethoxylated fatty amines phosphate, trimethylglycine, TEPA, heavy metal capturing agent, wood
Mahogany sulfonate, also including polyvinylpyrrolidone, activated carbon powder, composite high-molecular polyaluminum sulfate molysite and ethyl acetate.This
The composite high-molecular Sludge Dewatering Flocculant of invention once adds, using simple, dehydrating effect it is good, to add metering small.
Polyvinylpyrrolidone（Also known as PVP）It is a kind of non-ionic (polymeric surfactant), in different dispersions
In system, can as dispersion stabilizer, emulsifying agent, thickener, levelling agent, particle size modifier, anti-redeposition agents, flocculating agent, help
Solvent and detergent, are most characteristic in N vinylamide polymer, and be studied most deep, extensive fine chemicals
Kind, relative molecular mass from thousands of homopolymers, copolymer and crosslinking series of polymers products to more than 1,000,000, and with it
Excellent unique performance obtains extensive use.Especially apply in sludge dewatering treatment agent raw material, have compared with raw materials such as formaldehyde, phenol
The effects such as having preferably sterilization detoxification, hygroscopicity, dispersiveness, solubilising, coherency, and with corrosion-free, non-stimulated and ring
The advantages of border is friendly.
Composite high-molecular polyaluminum sulfate molysite（Such as bodied ferric sulfate, PFAS and polyaluminum sulfate iron chloride）It is one
New, high-quality, efficient molysite class inorganic polymer coagulant, high-efficiency decontaminating agent are planted, to the raw water pH value adaptability being processed
Stronger, coagulation effect is more excellent, and flocculation alumen ustum is closely knit, and sinking speed is fast, with significant turbidity removal, it is degerming, deodorant, except algae, de-
Color, de-oiling, be dehydrated, remove in water removal COD, BOD and the effects such as heavy metal ion, compared with other inorganic flocculating agents, it is degerming it is deodorant,
The effects such as removal COD and heavy metal ion significantly, to high-turbidity sewage water purifying effect it is further preferred that, and be more widely applicable to PH wide
Value 4-11 scopes.It is applied especially in the raw material of sewage sludge treatment agent, compared with ferrous sulfate, chlorine that traditional preparation methods are used
Change iron etc. to compare, there is more preferable sludge dewatering effect and preferable cost performance, and under equal conditions, composite high-molecular
Polyaluminum sulfate molysite can effectively cost-effective 20%-40% compared with ferrous sulfate.
Activated carbon powder has deodorization, desalination, catalytic carrier and very strong adsorptivity, is widely used in sewage sludge treatment.
In organic sewage sludge handling process, some organic matters are difficult to be microorganism or general oxidizing process institute oxidation Decomposition, such as
Phenol, benzene, oil and products thereof, insecticide, synthetic dyestuffs, aminated compounds etc., being extremely difficult to after biochemical treatment will to discharge
Discharge standard higher is sought, reuse and the sludge later use of sewage is also had a strong impact on.The adsorption capacity of Active Carbon in Organic
Greatly, it is widely used in the advanced treating of sewage sludge, and is had with advantages below：Degree for the treatment of is high, municipal sewage
After carrying out advanced treating with activated carbon, BOD can reduce by 99%, TOC and can drop to 1~3mg/L；Have a wide range of application, to big absolutely in waste water
Most organic matters are all effective, including microorganism is difficult to the organic matter of degraded；Strong adaptability, the variation to water and organic loading
There is stronger conformability, the treatment effect that can be stablized；Granulated carbon can carry out regeneration reuse, adsorbed organic matter
Burnt etc. by energy in regenerative process and do not produce sludge；Recyclable utility, activated carbon Phenol-Containing Wastewater Treatment, with alkali again
The activated carbon of raw adsorption saturation, can reclaim sodium phenolate.Application in Industrial Wastewater Treatment：Many industrial wastewaters are difficult or not
Biochemical treatment can be used, during using other method, what is had can not reach discharge standard, or operating cost is higher, or treatment industry
Trouble etc., some poisonous organic compounds and some heavy metals and its compound etc., activated carbon has very strong to these materials
Adsorption capacity.Under equal conditions, the more traditional effect promoting for preparing the raw materials such as used semi-coke powder, coke blacking of activated carbon powder
30-40% effects, integrated cost saves 15-30%.
And each special performance is applied in sewage sludge inorganic agent with both for activated carbon powder and polyvinylpyrrolidone
In, instead of tradition frequently with calcium hydroxide, pulverized limestone etc., the effects such as with more preferable sterilized detoxification performance, moisture pick-up properties, more
It is advantageously implemented minimizing, innoxious, stabilisation and the resource of sludge.
Preferably, by weight, the composite high-molecular Sludge Dewatering Flocculant, its raw material includes alkylamine polyoxy
7-11 parts of ethene ether phosphate, trimethylglycine 17-21 parts, TEPA 11-15 parts, heavy metal capturing agent 5-8
Part, lignosulfonates 5-7 parts, polyvinylpyrrolidone 4-8 parts, activated carbon powder 19-25 parts, composite high-molecular bodied ferric sulfate
Salt 12-16 parts and ethyl acetate 3-5 parts.Using such composite high-molecular Sludge Dewatering Flocculant, compared with prior art,
Dehydration rate is identical or in the case of, and the addition of the composite high-molecular Sludge Dewatering Flocculant is less, so, while also can
It is effectively reduced cost.
Any of the above-described scheme is preferably, by weight, the raw material bag of the composite high-molecular Sludge Dewatering Flocculant
Include 8-10 parts of ethoxylated fatty amines phosphate, trimethylglycine 18-20 parts, TEPA 12-14 parts, heavy metal from
Sub- trapping agent 6-7 parts, lignosulfonates 6-7 parts, polyvinylpyrrolidone 5-7 parts, activated carbon powder 22-24 parts, compound high score
13-15 parts and ethyl acetate 3-5 parts of sub- polyaluminum sulfate molysite.
Any of the above-described scheme is preferably, by weight, the raw material bag of the composite high-molecular Sludge Dewatering Flocculant
Include 9-11 parts of ethoxylated fatty amines phosphate, trimethylglycine 19-21 parts, TEPA 13-15 parts, heavy metal from
Sub- trapping agent 6-8 parts, lignosulfonates 6-7 parts, polyvinylpyrrolidone 6-8 parts, activated carbon powder 19-25 parts, compound high score
14-16 parts and ethyl acetate 3-5 parts of sub- polyaluminum sulfate molysite.
Any of the above-described scheme is preferably, and composite high-molecular polyaluminum sulfate molysite includes bodied ferric sulfate, bodied ferric sulfate
One or more in aluminium and polyaluminum sulfate iron chloride.
Any of the above-described scheme is preferably, and composite high-molecular polyaluminum sulfate molysite is by bodied ferric sulfate, PFAS
And two kinds in polyaluminum sulfate iron chloride and with first-class than constituting.It is so-called to wait than composition, exactly it is made up of two of which or more
During the composite high-molecular polyaluminum sulfate molysite, every kind of number for accounting for therein is identical, e.g., if the composite high-molecular is polymerized
The addition number of sulphate of iron is 15 parts, then can just be set as being used in mixed way for two of which, every kind of 7.5 parts；Can also be
Three kinds are used together, every kind of 5 parts；It is of course also possible to two kinds therein or more are well mixed with identical number in advance, so
Added as the composite high-molecular polyaluminum sulfate molysite as an entirety afterwards.Mixed group of above composite high-molecular sulphate of iron
Using can more play powerful effect, with certain market prospects, various purifying water process and sewage sludge etc. will be widely used in
Treatment, in fact, two kinds and above composite high-molecular polyaluminum sulfate molysite can also not waited than and with arbitrary proportion mixing, etc.
It is intended merely to than mixing simple, convenient.
Any of the above-described scheme is preferably, and the composite high-molecular polyaluminum sulfate molysite, activated carbon powder fineness are less than 300-
700 mesh scopes.
The composite high-molecular Sludge Dewatering Flocculant that the present invention is provided once is added, and using simple and with low cost, is poisoned
Material clearance is high, sludge increment is few, dehydrating effect is good, it is small to add dosage.
The composite high-molecular Sludge Dewatering Flocculant that the present invention is provided, is to synthesize the new dirt based on macromolecule organic
Mud dehydrating agent, makes full use of composite high-molecular material to enhance flocculating property.It is complementary between compatibility, performance material between each raw material
Coordinative role and chemical reaction cause that sludge specific resistance is greatly reduced, and improve sludge dewatering effect and reduction, effectively go
The poisonous and harmfuls such as removing heavy metals ion and polluter, nonhazardous monomer residue, safety and stability non-secondary pollution are reduced follow-up dirty
Sludge treatment technology；Municipal sewage and industrial wastewater sludge dewater treatment are can be widely applied to, minimizing, the stabilization of sludge is realized
Change, innoxious and resource, once add, simple to operate, and it is small to add dosage.
On the other hand, the present invention also provides a kind of preparation side of composite high-molecular Sludge Dewatering Flocculant as described above
Method, comprises the following steps in order：
The first step：Raw material composite high-molecular polyaluminum sulfate molysite, activated carbon powder are ground respectively and 300-700 mesh scopes are crossed
Sieve, and take undersized product add reactor；
Second step：Ethoxylated fatty amines phosphate, heavy metal capturing agent and lignosulfonates are added according to proportioning
In entering the reactor, and mixing and stirring；
3rd step：During TEPA and ethyl acetate added into reactor, and stir；
4th step：To polyvinylpyrrolidone is added in the reactor, stir, react 2-3 hours；
5th step：Room temperature is cooled to, trimethylglycine is added and is progressively added water, and mixed；Added water by control
Measure and through measuring concentration, nurse one's health the water content of the composite high-molecular Sludge Dewatering Flocculant, obtain the composite high-molecular dirty
Mud dehydration flocculant.
Preferably, the water content of the composite high-molecular Sludge Dewatering Flocculant be 55% within.
Any of the above-described scheme is preferably, in the composite high-molecular Sludge Dewatering Flocculant, the effective content of each raw material
Summation be 45% and more than.
Any of the above-described scheme is preferably, and in the stirring being related in the preparation method or a few places are heated to
40-55 DEG C, and stirred with per minute 100 speed for turning left the right side.
During sludge dewatering treatment, the Sludge Dewatering Flocculant for first being provided using the present invention is carried out at flocculation conditioning to sludge
Reason, then flocculation treatment is carried out, added amount of chemical is few, and flocculating effect is good, and dehydrating effect is good, and sludge specific resistance is greatly reduced, and carries
Poisonous and harmful and the polluters, nonhazardous list such as high sludge dewatering effect and reduction, effective heavy-metal ion removal
Body is remained, safety and stability non-secondary pollution, reduces follow-up sludge treatment technique；Can be widely applied to municipal sewage and industrial wastewater
Sludge dewatering treatment, realizes minimizing, stabilisation, the innoxious and resource of sludge.
Specific embodiment
Content for a better understanding of the present invention, is further detailed with reference to specific embodiment, illustrates.
Raw material used in following examples, unless otherwise specified, can be bought by commercial sources, it is mentioned that it is each
Raw material, the weight portion of material are planted, each means that the effective content of the material reaches the weight portion.
Embodiment 1
A kind of composite high-molecular Sludge Dewatering Flocculant, is formulated by following raw material：Ethoxylated fatty amines phosphorus
11 parts of acid esters, 17 parts of trimethylglycine, 13 parts of TEPA, 7 parts of heavy metal capturing agent, 7 parts of sodium lignin sulfonate,
5 parts of 6 parts of polyvinylpyrrolidone, 19 parts of activated carbon powder, 14 parts of bodied ferric sulfate and ethyl acetate.
The preparation method of the composite high-molecular Sludge Dewatering Flocculant, comprises the following steps in order：
The first step：By 14 parts of polymerizable raw material ferric sulfate, 19 parts of activated carbon powder grind respectively and cross 300-700 mesh scope can
Sieve, and take undersized product addition reactor；
Second step：By 7 parts of 11 parts of ethoxylated fatty amines phosphate, 7 parts of heavy metal capturing agent and sodium lignin sulfonate
In adding the reactor, and mixing and stirring；
3rd step：During 5 parts of 13 parts of TEPA and ethyl acetate added into reactors, and stir until dissolving；
4th step：To 6 parts of polyvinylpyrrolidone is added in the reactor, stir, react 2-3 hours；
5th step：26 DEG C of room temperature is cooled to through 3 hours, trimethylglycine is added and is progressively added water 50-70 parts, and mixed
Close stirring；By controlling amount of water and through measuring concentration, the water content for nursing one's health the composite high-molecular Sludge Dewatering Flocculant exists
Within 55%, the composite high-molecular Sludge Dewatering Flocculant is obtained.And nurse one's health the composite high-molecular Sludge Dewatering Flocculant
In, the effective content summation of each raw material for 45% and more than.
Involved stirring in above method, its condition may each be heating close to 35-55 DEG C, and with per minute 100
The speed stirring for turning left right.
Processing method of sludge dewatering is carried out with above composite high-molecular Sludge Dewatering Flocculant to comprise the following steps in order：
（1）Sludge flocculation conditioning is processed：It is 100 parts of calculating with sludge quantity, is added in the primary sludge for water content being 99% or so
1 part of the composite high-molecular Sludge Dewatering Flocculant；Stirring 10-20 minutes；Adjusted with the NaOH and hydrochloric acid solution of 1mol/L
Reason sludge acid-base value is neutrality（About pH is 7）；
（2）Sludge flocculation treatment：It is stirred for 10-20 minutes, obtains flocculation sludge；
（3）Flocculation sludge dewater treatment：The flocculation sludge is carried out into filter-press dehydration treatment by mechanical filter press.Filter press one
As pressure in 0.3-2.0MPa scopes, pressure is bigger better to sludge dewatering effect；Specifically, embodiment uses pressure
The conventional filter press of 0.6MPa.
As selectable, can also be in step（1）Before, according to the system of above-mentioned composite high-molecular Sludge Dewatering Flocculant
Preparation Method prepares the composite high-molecular Sludge Dewatering Flocculant, in case using.
Through measuring and calculating, obtain in the present embodiment, be 48.8% by the moisture content of the sludge of dewater treatment.
In fact, sodium lignin sulfonate therein can also change lignin sulfonic acid potassium or other kin lignin into
Sulfonate, and there is no substantial effect to dehydrating effect, on the contrary because potassium is a kind of element in fertilizer, more conducively its is follow-up
Resource.
Embodiment 2.1
As different from Example 1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge quantity
It is 100 parts of calculating, to adding 2 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by dehydration
The moisture content of the sludge for the treatment of is 44.0%.
Embodiment 2.2
As different from Example 1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge quantity
It is 100 parts of calculating, to adding 3 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by dehydration
The moisture content of the sludge for the treatment of is 40.6%.
Embodiment 3.1
A kind of composite high-molecular Sludge Dewatering Flocculant, as different from Example 1, is formulated by following raw material：
7 parts of ethoxylated fatty amines phosphate, 21 parts of trimethylglycine, 13 parts of TEPA, heavy metal capturing agent 8
Part, 5 parts of sodium lignin sulfonate, 8 parts of polyvinylpyrrolidone, 21 parts of activated carbon powder, 12 parts of bodied ferric sulfate and ethyl acetate 5
Part.
It is 48.5% to determine filter cake sludge moisture content through same method.
Embodiment 3.2
From unlike embodiment 3.1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge
It is 100 parts of calculating to measure, to adding 2 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by de-
The moisture content of the sludge of water process is 41.3%.
Embodiment 3.3
From unlike embodiment 3.1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge
It is 100 parts of calculating to measure, to adding 3 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by de-
The moisture content of the sludge of water process is 37.2%.
Embodiment 4.1
A kind of composite high-molecular Sludge Dewatering Flocculant, as different from Example 1, is formulated by following raw material：
9 parts of ethoxylated fatty amines phosphate, 19 parts of trimethylglycine, 15 parts of TEPA, heavy metal capturing agent 5
Part, 5 parts of sodium lignin sulfonate, 8 parts of polyvinylpyrrolidone, 20 parts of activated carbon powder, 15 parts of bodied ferric sulfate and ethyl acetate 4
Part.
It is 46.9% to determine filter cake sludge moisture content through same method.
Embodiment 4.2
From unlike embodiment 4.1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge
It is 100 parts of calculating to measure, to adding 2 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by de-
The moisture content of the sludge of water process is 43.1%.
Embodiment 4.3
From unlike embodiment 4.1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge
It is 100 parts of calculating to measure, to adding 3 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by de-
The moisture content of the sludge of water process is 39.2%.
Embodiment 5.1
A kind of composite high-molecular Sludge Dewatering Flocculant, as different from Example 1, is formulated by following raw material：
10 parts of ethoxylated fatty amines phosphate, 18 parts of trimethylglycine, 12 parts of TEPA, heavy metal capturing agent 5
Part, 5 parts of sodium lignin sulfonate, 7 parts of polyvinylpyrrolidone, 25 parts of activated carbon powder, 15 parts of bodied ferric sulfate and ethyl acetate 3
Part.
It is 47.3% to determine filter cake sludge moisture content through same method.
Embodiment 5.2
From unlike embodiment 5.1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge
It is 100 parts of calculating to measure, to adding 2 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by de-
The moisture content of the sludge of water process is 37.2%.
Embodiment 5.3
From unlike embodiment 5.1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge
It is 100 parts of calculating to measure, to adding 3 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by de-
The moisture content of the sludge of water process is 32.8%
Embodiment 6.1
A kind of composite high-molecular Sludge Dewatering Flocculant, as different from Example 1, is formulated by following raw material：
8 parts of ethoxylated fatty amines phosphate, 20 parts of trimethylglycine, 14 parts of TEPA, heavy metal capturing agent 5
Part, 6 parts of sodium lignin sulfonate, 7 parts of polyvinylpyrrolidone, 22 parts of activated carbon powder, 14 parts of bodied ferric sulfate and ethyl acetate 4
Part.
It is 48.4% to determine filter cake sludge moisture content through same method.
Embodiment 6.2
From unlike embodiment 6.1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge
It is 100 parts of calculating to measure, to adding 2 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by de-
The moisture content of the sludge of water process is 42.8%.
Embodiment 6.3
From unlike embodiment 6.1, sludge dewatering treatment is carried out with above composite high-molecular Sludge Dewatering Flocculant, with sludge
It is 100 parts of calculating to measure, to adding 3 parts of the composite high-molecular Sludge Dewatering Flocculant in sludge.Final result shows, by de-
The moisture content of the sludge of water process is 38.6%.
Embodiment 7.1
A kind of composite high-molecular Sludge Dewatering Flocculant, from unlike embodiment 4.1, by bodied ferric sulfate, 15 parts change polymerization into
The mixture of 7.5 parts of 7.5 parts of ferric sulfate and PFAS.It is 43.3% to determine filter cake sludge moisture content through same method.
Embodiment 7.2
A kind of composite high-molecular Sludge Dewatering Flocculant, from unlike embodiment 4.1, by bodied ferric sulfate, 15 parts change polymerization into
The mixture of 7.5 parts of 7.5 parts of clairtan and PFAS.Determining filter cake sludge moisture content through same method is
41.8%。
Embodiment 7.3
A kind of composite high-molecular Sludge Dewatering Flocculant, from unlike embodiment 4.1, by bodied ferric sulfate, 15 parts change polymerization into
The mixture of 7.5 parts of 7.5 parts of ferric sulfate and polyaluminum sulfate iron chloride.Determining filter cake sludge moisture content through same method is
42.3%。
Embodiment 7.4
A kind of composite high-molecular Sludge Dewatering Flocculant, from unlike embodiment 4.1, by bodied ferric sulfate, 15 parts change polymerization into
The mixture of 5 parts of 5 parts of ferric sulfate, 5 parts of PFAS and polyaluminum sulfate iron chloride.Filter cake sludge is determined through same method
Water content is 36.2%.
Effect is tested by embodiment and can be seen that especially embodiment 5.1-5.3, preferably total according to 100 parts of proportionings
In the range of amount, tune has increased the proportioning of composite high-molecular polyaluminum sulfate molysite, activated carbon powder and PVP so that dewater treatment effect
It is obviously improved；Composite high-molecular Sludge Dewatering Flocculant of the invention is taken off with synthesizing the new sludge based on macromolecule organic
Aqua, by the complementation synergy between compatibility dosage component, makes that flocculation is strong, dewatering rate is high, sludge increment is small
The features such as；The Sludge Dewatering Flocculant ratio of the material combinations such as the ferrous sulfate, semi-coke powder and the slaked lime powder that are used with conventional art
Compared with dehydrating agent provided by the present invention has simple to operate, adding less, low cost, and the advantages of effect is good, effectively removal is poisoned
Material, safety and stability is environment-friendly, the advantages of reduction is notable, while reducing follow-up recycling sludge using treatment
Technique and cost.
Comparative example 1
A kind of composite high-molecular Sludge Dewatering Flocculant, as different from Example 1, changes bodied ferric sulfate therein into sulfuric acid
It is ferrous.And prepared by same method and for sludge dewatering treatment, it is ensured that unitary variant, determine filter cake through same method
Sludge moisture content is 56.7%.
Comparative example 2
A kind of composite high-molecular Sludge Dewatering Flocculant, as different from Example 1, changes PVP therein into formaldehyde.And
Prepared by same method and for sludge dewatering treatment, it is ensured that unitary variant, determining filter cake sludge through same method contains
Water is 53.3%.
Comparative example 3
Technical scheme：Sludge Dewatering Flocculant, is made up of A agent and B agent；The A agent is made up of following raw material erection weight number：
28 parts of ferrous sulfate, 10 parts of heavy metal chelating agent, 43 parts of semi-coke, 12 parts of pulverized limestone, 12 parts of ethoxylated fatty amines phosphate,
9 parts of lignosulfonates；
The following raw material erection weight number of described B agent is made：35 parts of glycine betaine, 20 parts of tetren, 9 parts of formaldehyde, second
9 parts of alcohol, 55 parts of water.
The A agent preparation method includes, ground 500 mesh sieve of ferrous sulfate, semi-coke, pulverized limestone, then with heavy metal chelating
Agent, ethoxylated fatty amines phosphate, lignosulfonates mixing and stirring.
The B agent preparation method includes that tetren, ethanol are added and stirred in a kettle. until four ethylidene five
Amine solvent, is heated to 45-50 DEG C, is stirred with 100-120 revs/min of speed, adds formaldehyde, reacts 1-2 hours, is cooled to room
Temperature, adds glycine betaine and water, stirs.
Sludge dewatering treatment is carried out using with method same in the embodiment of the present invention 1, A agent and B agent are pre-mixed, thrown
Plus deal is also to be calculated with 100 parts of primary sludges, 1 part, 2 parts, 3 parts is added respectively, and under the same conditions using with same
Method, through measurement, mud cake water content is respectively 82.1%, 71.7%, 65.7%；As can be seen here, its sludge dewatering effect is much worse than
The effect of composite high-molecular Sludge Dewatering Flocculant provided by the present invention.
And, being somebody's turn to do " Sludge Dewatering Flocculant " needs to understand the influence of A agent and B agent addition to dehydrating effect in advance, together
When, operate more cumbersome than the scheme that the present invention is provided, it is necessary to add flocculant twice, dosage is big, and the scheme of present invention offer,
It is simple to operate, it is only necessary to once to add, and it is small to add dosage.
And, it is somebody's turn to do " Sludge Dewatering Flocculant " and uses raw material sulphuric acid ferrous, this is usually used in sewage disposal aspect, and is used in
Effect is poor in sludge dewatering treatment, and ferrous sulfate raw material is not easy to accumulating, further increases raw material cost；Also use
Lime powder raw material, does not accomplish that sludge reduction treatment on the contrary can cause the mud amount for being not easy to utilize to increase problem not only, more
It is unfavorable for the disposal of resources and utilization of follow-up sludge；Formaldehyde the problems such as with toxicity, excitant is additionally used in addition, is prepared
There are problems that potential safety hazard and pollution after process and use, be unfavorable for environmental protection.In addition, should " sludge dewatering wadding
Solidifying agent " needs to understand the influence of A agent and B agent addition to dehydrating effect in advance, meanwhile, operation is more numerous than the scheme that the present invention is provided
It is trivial that dosage is big, it is necessary to add flocculant twice, and the scheme that the present invention is provided, it is simple to operate, it is only necessary to once to add,
And adding that dosage is small, dehydrating effect is good；Minimizing, innoxious, stabilisation and the resource of sludge can really be realized.
It should be noted that above example is only the preferred embodiment of the content of the invention of the invention, for explaining,
Illustrate the content of the invention, it is impossible to for limiting the content invented, and, to those skilled in the art, do not departing from this hair
On the premise of bright total design, some changes for being not required to creative work can also be made, and this change should also belong to this hair
Bright protection domain.
Claims (10)
1. a kind of composite high-molecular Sludge Dewatering Flocculant, its raw material includes that ethoxylated fatty amines phosphate, trimethyl are sweet
Propylhomoserin, TEPA, heavy metal capturing agent, lignosulfonates, it is characterised in that：Also include polyvinylpyrrolidine
Ketone, activated carbon powder, composite high-molecular polyaluminum sulfate molysite and ethyl acetate.
2. composite high-molecular Sludge Dewatering Flocculant as claimed in claim 1, it is characterised in that：By weight, it is described multiple
High polymer sludge dehydration flocculant is closed, its raw material includes 7-11 parts of ethoxylated fatty amines phosphate, trimethylglycine 17-
21 parts, TEPA 11-15 parts, heavy metal capturing agent 5-8 parts, lignosulfonates 5-7 parts, polyvinylpyrrolidone
4-8 parts, activated carbon powder 19-25 parts, 12-16 parts and ethyl acetate 3-5 parts of composite high-molecular polyaluminum sulfate molysite.
3. composite high-molecular Sludge Dewatering Flocculant as claimed in claim 1, it is characterised in that：By weight, it is described multiple
The raw material for closing high polymer sludge dehydration flocculant includes 8-10 parts of ethoxylated fatty amines phosphate, trimethylglycine 18-
20 parts, TEPA 12-14 parts, heavy metal capturing agent 6-7 parts, lignosulfonates 6-7 parts, polyvinylpyrrolidone
5-7 parts, activated carbon powder 22-24 parts, 13-15 parts and ethyl acetate 3-5 parts of composite high-molecular polyaluminum sulfate molysite.
4. composite high-molecular Sludge Dewatering Flocculant as claimed in claim 1, it is characterised in that：By weight, it is described multiple
The raw material for closing high polymer sludge dehydration flocculant includes 9-11 parts of ethoxylated fatty amines phosphate, trimethylglycine 19-
21 parts, TEPA 13-15 parts, heavy metal capturing agent 6-8 parts, lignosulfonates 6-7 parts, polyvinylpyrrolidone
6-8 parts, activated carbon powder 19-25 parts, 14-16 parts and ethyl acetate 3-5 parts of composite high-molecular polyaluminum sulfate molysite.
5. the composite high-molecular Sludge Dewatering Flocculant as any one of claim 1-4, it is characterised in that：It is described compound
High molecular polymerization sulphate of iron includes one or more in bodied ferric sulfate, PFAS and polyaluminum sulfate iron chloride.
6. the composite high-molecular Sludge Dewatering Flocculant as any one of claim 1-4, it is characterised in that：Compound high score
Sub- polyaluminum sulfate molysite compares group by two kinds in bodied ferric sulfate, PFAS and polyaluminum sulfate iron chloride and with first-class
Into.
7. composite high-molecular Sludge Dewatering Flocculant as claimed in claim 1, it is characterised in that：The composite high-molecular polymerization
Sulphate of iron, activated carbon powder are the screenings of 300-700 mesh sieves.
8. a kind of preparation method of the composite high-molecular Sludge Dewatering Flocculant as any one of claim 1-7, in order
Comprise the following steps：
The first step：Raw material composite high-molecular polyaluminum sulfate molysite, activated carbon powder are ground respectively and the sieve of 300-700 mesh is crossed, and
Take undersized product and add reactor；
Second step：Ethoxylated fatty amines phosphate, heavy metal capturing agent and lignosulfonates are added according to proportioning
In entering the reactor, and mixing and stirring；
3rd step：During TEPA and ethyl acetate added into reactor, and stir until dissolving；
4th step：To polyvinylpyrrolidone is added in the reactor, stir, react 2-3 hours；
5th step：Room temperature is cooled to, trimethylglycine is added and is progressively added water, and mixed；Added water by control
Measure and through measuring concentration, nurse one's health the water content of the composite high-molecular Sludge Dewatering Flocculant, obtain the composite high-molecular dirty
Mud dehydration flocculant.
9. composite high-molecular Sludge Dewatering Flocculant preparation method as claimed in claim 8, it is characterised in that：The compound height
The water content of molecule Sludge Dewatering Flocculant be 55% within.
10. composite high-molecular Sludge Dewatering Flocculant preparation method as claimed in claim 9, it is characterised in that：It is described compound
In high polymer sludge dehydration flocculant, the effective content of each raw material for 45% and more than.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436744A (en) * | 2019-08-06 | 2019-11-12 | 天津壹新环保工程有限公司 | Municipal sludge reduction and dehydration system |
| CN111747630A (en) * | 2019-03-28 | 2020-10-09 | 佛山高明曦旺环保材料有限公司 | Excess sludge conditioning composition and application thereof |
| CN114128592A (en) * | 2021-12-02 | 2022-03-04 | 青岛润森生态建设工程有限公司 | Soil matrix for mountain restoration and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891778A (en) * | 2015-06-23 | 2015-09-09 | 杜普利 | Flocculant and method for dewatering sludge |
-
2016
- 2016-12-07 CN CN201611117503.2A patent/CN106746475B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891778A (en) * | 2015-06-23 | 2015-09-09 | 杜普利 | Flocculant and method for dewatering sludge |
Non-Patent Citations (3)
| Title |
|---|
| 徐振刚等: "《中国洁净煤技术》", 30 April 2012, 北京：煤炭工业出版社 * |
| 朱洪法: "《精细化工常用原材料手册》", 31 December 2003, 金盾出版社 * |
| 谢昆等: "《纳米技术在水污染控制中的应用》", 30 June 2014, 武汉大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747630A (en) * | 2019-03-28 | 2020-10-09 | 佛山高明曦旺环保材料有限公司 | Excess sludge conditioning composition and application thereof |
| CN110436744A (en) * | 2019-08-06 | 2019-11-12 | 天津壹新环保工程有限公司 | Municipal sludge reduction and dehydration system |
| CN114128592A (en) * | 2021-12-02 | 2022-03-04 | 青岛润森生态建设工程有限公司 | Soil matrix for mountain restoration and preparation method and application thereof |
| CN114128592B (en) * | 2021-12-02 | 2022-10-25 | 青岛润森生态环境科技有限公司 | Soil matrix for mountain restoration and preparation method and application thereof |
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| CN106746475B (en) | 2020-12-04 |
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