CN109304224A - Long-acting water purification material and preparation method thereof - Google Patents
Long-acting water purification material and preparation method thereof Download PDFInfo
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- CN109304224A CN109304224A CN201710629542.9A CN201710629542A CN109304224A CN 109304224 A CN109304224 A CN 109304224A CN 201710629542 A CN201710629542 A CN 201710629542A CN 109304224 A CN109304224 A CN 109304224A
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- Prior art keywords
- solution
- preparation
- water purification
- long
- particle
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000000746 purification Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000002245 particle Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000002105 nanoparticle Substances 0.000 claims abstract description 14
- 239000010936 titanium Substances 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 10
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 10
- 239000002243 precursor Substances 0.000 claims abstract description 8
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 59
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 23
- 239000004408 titanium dioxide Substances 0.000 claims description 22
- 235000019441 ethanol Nutrition 0.000 claims description 20
- 239000006185 dispersion Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical group [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- 230000001476 alcoholic effect Effects 0.000 claims description 6
- 238000005292 vacuum distillation Methods 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 5
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 0.000 claims description 5
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 5
- 239000004626 polylactic acid Substances 0.000 claims description 5
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims description 5
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000006249 magnetic particle Substances 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical group [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 3
- 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 2
- KBIWNQVZKHSHTI-UHFFFAOYSA-N 4-n,4-n-dimethylbenzene-1,4-diamine;oxalic acid Chemical compound OC(=O)C(O)=O.CN(C)C1=CC=C(N)C=C1 KBIWNQVZKHSHTI-UHFFFAOYSA-N 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003125 aqueous solvent Substances 0.000 claims description 2
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000001413 cellular effect Effects 0.000 claims description 2
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 239000002808 molecular sieve Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- SDLBJIZEEMKQKY-UHFFFAOYSA-M silver chlorate Chemical compound [Ag+].[O-]Cl(=O)=O SDLBJIZEEMKQKY-UHFFFAOYSA-M 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims 1
- 239000008187 granular material Substances 0.000 claims 1
- 235000013772 propylene glycol Nutrition 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 abstract description 6
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract description 6
- 239000007864 aqueous solution Substances 0.000 abstract description 5
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 230000003301 hydrolyzing effect Effects 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000006193 liquid solution Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 7
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002574 poison Substances 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000790917 Dioxys <bee> Species 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000006136 alcoholysis reaction Methods 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000011805 ball Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229940056319 ferrosoferric oxide Drugs 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical class CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 241000555268 Dendroides Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali 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
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000001309 chloro group Chemical class Cl* 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002288 cocrystallisation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000007071 enzymatic hydrolysis Effects 0.000 description 1
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 description 1
- XGZNHFPFJRZBBT-UHFFFAOYSA-N ethanol;titanium Chemical group [Ti].CCO.CCO.CCO.CCO XGZNHFPFJRZBBT-UHFFFAOYSA-N 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011806 microball Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- B01J35/39—
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0272—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255
- B01J31/0274—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255 containing silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- B01J35/51—
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Abstract
The present invention provides a kind of long-acting water purification materials and preparation method thereof.The present invention is by being pre-formed silica sol aqueous solution, and the titania precursor liquid solution of argentiferous is added in silica sol aqueous solution, so that the hydrolytic process of titania precursor body and the generation of Titanium particles are limited to silica sol network, to control the undue growth of Titanium particles.Nano-titanium dioxide partial size produced by the present invention is less than 3 nanometers, and catalytic activity is strong, stably dispersing.It is combined, is realized to the uniform loads of titanium oxide nanoparticles with coarse or porous carrier by further stating, and have both resident effect to pending water with grade to pollutant suction-operated, to preferably play catalytic purification efficiency.
Description
Technical field
The invention belongs to water body purifications to administer field, and in particular to a kind of long-acting water purification material and preparation method thereof.
Background technique
The production and democratic meeting of the mankind is discharged into a large amount of industry, agricultural and domestic refuse in water, is contaminated water.
Currently, there are about the sewage of more than 4200 billion cubic meters to be discharged into rivers,lakes and seas every year in the whole world, the light of 5.5 tcms polluted
Water, this is equivalent to 14% or more of global runoff volume.Acid, alkali, oxidant in water, the compounds such as Yi Jitong, cadmium, mercury, arsenic,
The organic poisons such as benzene, dichloroethanes, ethylene glycol can poison aquatile with poison, influence drinking water source.Organic matter in sewage is by micro- life
Oxygen when object decomposes in consumption water, influences the life of aquatile, and after oxygen in water exhausts, organic matter carries out anaerobic digestion,
The offensive gases such as hydrogen sulfide, mercaptan are generated, deteriorate water quality further.Traditional purifying water process material is mainly various absorption
Material, such as cocoanut active charcoal, active fruit shell carbon price, sponge iron filtering material, activated alumina ball, and it is mainly heavy by flocculation
It forms sediment, chemistry neutralizes, physical absorption and the modes such as is separated by filtration and completes to purify.These materials and purification style are in polluted source
Harmful metal ion, acid ion, silt, suspended matter etc. more effectively, but then for all kinds of organic pollutants therein
It is still difficult to effectively remove.In recent years, scientist, which began one's study, decomposes hand using photochemical catalyst using in purifying water process
Section improves the removal rate and removal efficiency of organic pollutant.
1967, the sheet of Tokyo Univ Japan built a professor and the clear discovery in student rattan island of doctor class more, used up irradiation dioxy
The cell reaction of water can be carried out by changing Ti electrode.Here it is famous " this multifunctional light-catalyzed reactions ".Scientific and technical continuous
Under development condition, titanium dioxide technology is also continuously improved.Currently, preparing nano-TiO2Method it is very much, can substantially be summarized as
Physical method and chemical method, physical method are mainly mechanical crushing method, are required disintegrating apparatus very high；Chemical method is mainly vapor phase method
(CVD), liquid phase method and solid phase method, but preparation method in the prior art has the disadvantage that
One, the titanium dioxide partial size prepared is bigger than normal, and generally at 5-100 nanometers, specific surface area is small, surface atom number
Few, the skin effect of ultramicron is not significant, and the luminous energy on the one hand absorbed is fewer, and the e- of generation and h+ pairs of density are smaller, separately
On the one hand the reactant of absorption is also fewer, and the material concentration being oxidated or reduced is also fewer, therefore visible light catalysis activity can drop
It is low.
Two, manufacturing cost is high, and treatment effect is low, processing speed is slow, directly contributes processing use cost and increases, economic value
It has a greatly reduced quality.
Three, partial size is big and adhesive force is low, and application field is restricted.
In addition, though also there is many documents to propose to improve TiO using all kinds of metal-doped methods2Photocatalytic activity,
Such as using Copper-cladding Aluminum Bar, cobalt doped, nickel doping etc., but on the one hand, these doping means in the detection in laboratory although embody
Certain promotion, but due to extremely complex in practical service environment, it is also easy further to reunite, the middle promotion effect actually generated
Answer limited, on the other hand, these doped chemicals are harmful to the human body mostly, may cause in use to water quality secondary
Pollution.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the present invention provides a kind of photocatalytic activity height, effect persistently, will not
Bring the long-acting purifying water process material and preparation method thereof of secondary pollution.
Long-acting water purification material of the invention is prepared via a method which:
(2) raw material preparation:
Prepare the alcoholic solution A of the titanium precursors containing oxidation；
Prepare the alcoholic solution B containing silver salt；
Prepare the solution C of silicon oxide-containing colloidal sol；
Prepare silane coupler solution D；
(2) it mixes and reacts
Solution A and solution B are added in solution C, stirred 1-12 hours, obtains mixed solution H1, then by solution D and mixing
Solution H 1 mixes, and stirs 1-12 hours, obtains the alcohol dispersion Solution H 2 containing titanium oxide；
The gel solution of carrier granular or carrier granular solution or carrier granular is added in Solution H 2, and 0.1- is added
The surfactant of 0.5wt%, is then stirred, and obtains Solution H 3；
(3) it is evaporated under reduced pressure
Solution H 3 is evaporated under reduced pressure alcohol, while slowly adding aqueous solvent replacement, is made and is received containing 0.1-5wt% titanium dioxide
The dispersion liquid of rice corpuscles, the titanium dioxide nano-particle are carried on carrier granular；
Optionally, further it is separated by filtration above-mentioned product.
Wherein it is preferred to:
The titania precursor body is selected from tetraethyl titanate, butyl titanate, titanium propanolate；The silver salt is selected from silver nitrate, chlorine
Salt dissolving；
Alcohol in the solution A and solution B separately selects methanol, ethyl alcohol, ethylene glycol, propyl alcohol, propylene glycol, the third three
Alcohol, alcohol is identical or different in the solution A and solution B, particularly preferably is, from cost consideration, to use ethyl alcohol；
The solution C of the silicon oxide-containing colloidal sol is made after carrying out sour water solution by the alcoholic solution of silester, and the acid is selected from
Formic acid, acetic acid, ethanedioic acid, hydrochloric acid, nitric acid are, it is preferable to use hydrochloric acid, and it is preferable to use the aqueous hydrochloric acid solutions that concentration is 10-50%；
It is described silane coupled selected from Ethoxysilane, methoxy silane, amino silane, preferably methoxy silane, it is optimal
It is selected as diethylenetriamine base propyl trimethoxy silicon.
It is further preferably:
In product, on the basis of titanium oxide, the silver containing 1-5%wt%；
The carrier granular is spherical or irregularly shaped particles, and the particle is rough surface or cellular, in this way,
Carrier granular can play the role of sufficient catalyst load effect, pending water it is resident with grade to pollutant suction-operated,
To preferably play catalytic purification efficiency；
The carrier granular preferably is selected from polymer microballoon, magnetic-particle, sponge iron, activated alumina ball, slag particle, day
Right ore particles or the particle containing molecular sieve；Wherein, it for polymer, preferably polylactic acid, polycarbonate, polytetrafluoroethylene (PTFE), examines
Consider degradability and nontoxic sexual factor in water, most preferably polylactic acid makes magnetic-particle, preferably ferroso-ferric oxide
It uses magnetic-particle as carrier, is conducive to the recycling after the completion of purified to catalyst and its carrier, reduces the possibility of secondary pollution.
In addition, may be omitted with the preparation steps of H3 solution in method of the invention, directly depressurized using H2 solution
Distilation steps, and after completing vacuum distillation, with obtained dispersed liquid coating or dipping containing titanium dioxide nano-particle
Water warfare membrane material obtains the purifying water process film that load has titanium dioxide nano-particle.
Further, the invention also discloses a kind of water purification systems comprising the long-acting water being prepared in the above method
Scavenging material.
The present invention by being pre-formed silica sol aqueous solution, and in silica sol aqueous solution be added argentiferous oxygen
Change titanium precursors solution, so that the hydrolytic process of titania precursor body and the generation of Titanium particles are limited to silica sol net
Network to control the undue growth of Titanium particles, while being oxidized silicon in Titanium particles growth course quickly and being wrapped
It covers, the collision between also preventing is grown up.Further, the addition of silane coupling agent forms grafting layer in particle surface, leans on
The electrically effect of repelling each other makes nano-titanium dioxide primary particle not occur to reunite and keep its high activity state.
Nano-titanium dioxide partial size produced by the present invention has two layers of self-assembled structures less than 3 nanometers, outside nano particle, the
One layer is silica crystalline, and the second layer is the grafting of amino silane dendroid.When titanium dioxide hydrolyzes, silver salt solution is added,
Silver ion is nano silver by ethanol reduction in hydrolytic process, with titanium dioxide cocrystallization, promotes titanium dioxide crystal topographical transition
For anatase crystal.In vacuum distillation solvent replacement process, determining alcohol is gradually decreased, and aqueous solution is more and more, at this moment, is promoted
Hydrolyzation system gradually evolves as hydrolyzation system by alcohol enzymatic hydrolysis system, hydrolyzes more deep.Due to amino silane and silica
Barrier coating function, TiO 2 particles are unable to secondary agglomeration, and nano-titanium dioxide partial size obtained is small, stably dispersing.Together
When, the present invention in nano-titanium dioxide nanoparticle surface nano silver particles have bactericidal effect, facilitate in each in water
The removal of microorganism.
Less than 5 nanometers of the nano-titanium dioxide nanometer particle size (3-5 nanometers) prepared using the technology of the present invention, photocatalytic activity
Higher than 10 nanometers or more common of product.Particle is smaller, and specific surface area is bigger, and surface atom number increases, the table of ultramicron
Face effect is more significant, and the more, the e- of generation and h+ pairs of density are bigger for the luminous energy on the one hand absorbed, on the other hand the reaction of absorption
Also the more, the material concentration being oxidated or reduced is also bigger, therefore visible light catalysis activity significantly improves for object.
In short, manufacturing cost of the invention is low, particle size is controllable, uniform, and catalytic activity is high, and purified treatment effect is good,
Processing speed is fast, directly contributes processing use cost and is greatly reduced.Moreover, other harmful metal elements are not used, will not generate
Secondary murder by poisoning and pollution, reaction product are easy to remove.
Specific embodiment
Embodiment 1
Step 1: 2.35 grams of isopropyl titanate are dissolved in 40 grams of dehydrated alcohols, solution A is made.Meanwhile by 0.0015 gram
Silver nitrate is dissolved in 1 gram of glycerol, is stirred alcoholysis 90 minutes, and B solution is made.
Step 2: 0.3 gram of ethyl orthosilicate is dissolved in 20 grams of dehydrated alcohols, after stirring alcoholysis 80 minutes, it is added 0.08
Gram 10%wt hydrochloric acid and 5 grams of water, stirring hydrolysis 42 minutes.C solution is made.
Solution A and B solution are added drop-wise in C solution by third step with the drop speed of 3-10 per second, quickly stirring hydrolysis.Make
Isopropyl titanate is slowly hydrolyzed to titanium dioxide, and is coated by teos hydrolysis object single layer.Completion of dropwise addition is stirred 12 hours,
Mixed solution H1 is made.
4th step takes 0.3 gram of diethylenetriamine base propyl trimethoxy silicane, is added in 1 gram of water, after stirring hydrolysis, adds
Enter 30 grams of dehydrated alcohols, after mixing evenly, Solution H 1 is added drop-wise to diethylenetriamine base propyl three with the speed of 3-10 drop per second
Methoxy silane hydrolysis.After completion of dropwise addition, continue stirring 12 hours.Titanium dioxide alcohol dispersion liquid H2 is made.
Porous polylactic acid microball is added in dispersion liquid H2 by the 4th step, and the surfactant of 0.1wt% is added, so
After stir, obtain Solution H 3；
Solution H 4 is evaporated under reduced pressure ethyl alcohol by the 5th step, while slowly adding distilled water to 100 grams of progress solvent replacements, system
The dispersion liquid of titanium dioxide 0.5wt% must be contained, wherein titanium dioxide nano-particle is carried on carrier granular.Above-mentioned dispersion liquid can
Directly to use, it is packed into purification system and uses after can also being further separated by filtration.
Embodiment 2
2.35 grams of isopropyl titanates in embodiment 1 are replaced with into 4 grams of butyl titanates, carrier is replaced with into activated alumina
Microballoon, other are same as Example 1, the aqueous dispersions that titanium dioxide concentration is 0.8% are made, wherein titanium dioxide nano-particle
It is carried on carrier granular.Above-mentioned dispersion liquid can be used directly, be packed into purification system after can also being further separated by filtration
Middle use.
Embodiment 3
0.0015 gram of silver nitrate in embodiment 2 is replaced with into 0.002 gram of silver chlorate, carrier is replaced with into ferroso-ferric oxide
Microballoon, other are same as Example 1, the aqueous dispersions that titanium dioxide concentration is 0.8% are made, wherein titanium dioxide nano-particle
It is carried on carrier granular.Above-mentioned dispersion liquid can be used directly, be packed into purification system after can also being further separated by filtration
Middle use.
Embodiment 4
Vacuum distillation step directly is carried out using the Solution H 2 that the 4th step of embodiment 1 obtains, and after completing vacuum distillation,
With the obtained dispersed liquid coating containing titanium dioxide nano-particle or dipping Water warfare membrane material, obtaining load has dioxy
Change the purifying water process film of titanium nanoparticle.
Claims (10)
1. a kind of preparation method of long-acting water purification material, comprising:
(1) raw material preparation:
Prepare the alcoholic solution A of the titanium precursors containing oxidation；
Prepare the alcoholic solution B containing silver salt；
Prepare the solution C of silicon oxide-containing colloidal sol；
Prepare silane coupler solution D；
(2) it mixes and reacts
Solution A and solution B are added in solution C, stirred 1-12 hours, obtains mixed solution H1, then by solution D and mixed solution
H1 mixing, is stirred 1-12 hours, obtains the alcohol dispersion Solution H 2 containing titanium oxide；
The gel solution of carrier granular or carrier granular solution or carrier granular is added in Solution H 2, and 0.1- is added
The surfactant of 0.5wt%, is then stirred, and obtains Solution H 3；
(3) it is evaporated under reduced pressure
Solution H 3 is evaporated under reduced pressure alcohol, while slowly adding aqueous solvent replacement, is made and contains 0.1-5wt% titanium dioxide nano granule
The dispersion liquid of son, the titanium dioxide nano-particle are carried on carrier granular；
Optionally, further it is separated by filtration above-mentioned product.
2. the preparation method of long-acting water purification material according to claim 1, it is characterised in that:
The titania precursor body is selected from tetraethyl titanate, butyl titanate, titanium propanolate or combinations thereof；
The silver salt is selected from silver nitrate, silver chlorate or combinations thereof；
Alcohol in the solution A and solution B separately selects methanol, ethyl alcohol, ethylene glycol, propyl alcohol, propylene glycol, glycerine,
Alcohol is identical or different in the solution A and solution B.
3. the preparation method of long-acting water purification material according to claim 1, it is characterised in that:
The solution C of the silicon oxide-containing colloidal sol by silester alcoholic solution carry out sour water solution after be made, it is described acid selected from formic acid,
Acetic acid, ethanedioic acid, hydrochloric acid, nitric acid or combinations thereof.
4. the preparation method of long-acting water purification material according to claim 1 or 2, it is characterised in that:
It is described it is silane coupled be selected from Ethoxysilane, methoxy silane, amino silane or combinations thereof, preferably methoxy silane,
Most preferably diethylenetriamine base propyl trimethoxy silicane.
5. the preparation method of long-acting water purification material according to claim 1 to 4, it is characterised in that:
In product, on the basis of titanium oxide, the silver containing 1-5%wt%.
6. the preparation method of long-acting water purification material according to claim 1 to 4, it is characterised in that:
The carrier granular is spherical or irregularly shaped particles, and the particle is rough surface or cellular；
The carrier granular preferably is selected from polymer microballoon, magnetic-particle, sponge iron, activated alumina ball, slag particle, natural mine
Stone particle or particle containing molecular sieve.
7. the preparation method of long-acting water purification material according to claim 6, it is characterised in that:
The carrier granular be polymer microballoon, the polymeric oxidizer polylactic acid, polycarbonate, polytetrafluoroethylene (PTFE), and preferably
Polylactic acid.
8. the preparation method of long-acting water purification material according to claim 6, it is characterised in that: the particle is magnetic
Grain, and preferred ferriferrous oxide particles.
9. the preparation method of long-acting water purification material according to claim 1, it is characterised in that:
The preparation steps of H3 solution are saved, directly carry out vacuum distillation step using H2 solution, and after completing vacuum distillation, are used
The obtained dispersed liquid coating containing titanium dioxide nano-particle or dipping Water warfare membrane material, obtaining load has titanium dioxide
The purifying water process film of titanium nanoparticle.
10. a kind of water purification system comprising the long-acting water purification material that claim 1-9 is prepared.
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