CN109304060A - Material for air purification and preparation method thereof with self-catalysis effect - Google Patents
Material for air purification and preparation method thereof with self-catalysis effect Download PDFInfo
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- CN109304060A CN109304060A CN201710629544.8A CN201710629544A CN109304060A CN 109304060 A CN109304060 A CN 109304060A CN 201710629544 A CN201710629544 A CN 201710629544A CN 109304060 A CN109304060 A CN 109304060A
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- 239000000463 material Substances 0.000 title claims abstract description 29
- 238000004887 air purification Methods 0.000 title claims abstract description 23
- 230000000694 effects Effects 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000006555 catalytic reaction 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 64
- 239000002245 particle Substances 0.000 claims abstract description 16
- 239000010936 titanium Substances 0.000 claims abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002243 precursor Substances 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 44
- 239000006185 dispersion Substances 0.000 claims description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 23
- 235000019441 ethanol Nutrition 0.000 claims description 21
- 239000004408 titanium dioxide Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 17
- 239000012876 carrier material Substances 0.000 claims description 16
- 239000002105 nanoparticle Substances 0.000 claims description 14
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- 239000003365 glass fiber Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 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
- 239000002002 slurry Substances 0.000 claims description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-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
- 239000002253 acid Substances 0.000 claims description 6
- 230000001476 alcoholic effect Effects 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 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
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 4
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 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
- 229920000858 Cyclodextrin Polymers 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011162 core material Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002893 slag 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
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 229920001661 Chitosan Polymers 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
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000003125 aqueous solvent Substances 0.000 claims description 2
- 239000011425 bamboo 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
- -1 divides Sub- sieve Substances 0.000 claims description 2
- 238000001035 drying Methods 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
- 239000011259 mixed solution Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 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
- 239000004332 silver Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000011538 cleaning material Substances 0.000 claims 1
- 235000011187 glycerol Nutrition 0.000 claims 1
- 235000013772 propylene glycol Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 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
- 230000008569 process Effects 0.000 abstract description 4
- 230000003301 hydrolyzing effect Effects 0.000 abstract description 3
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 239000006193 liquid solution Substances 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 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
- 238000005516 engineering process Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 238000006136 alcoholysis reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000376 reactant 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
- 241000894006 Bacteria Species 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- 241000555268 Dendroides Species 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 208000008589 Obesity Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 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
- 206010044302 Tracheitis Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 206010006451 bronchitis Diseases 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
- 239000003054 catalyst Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002288 cocrystallisation Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 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
- 239000007789 gas Substances 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
- 244000144972 livestock Species 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 235000020824 obesity Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- SDLBJIZEEMKQKY-UHFFFAOYSA-M silver chlorate Chemical compound [Ag+].[O-]Cl(=O)=O SDLBJIZEEMKQKY-UHFFFAOYSA-M 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/0258—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanoparticles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Biomedical Technology (AREA)
- Catalysts (AREA)
Abstract
The present invention provides a kind of material for air purification and preparation method thereof with self-catalysis effect.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 stably dispersing is uniformly dispersed, is attached on carrier, and catalytic activity and air purification efficiency significantly improve.
Description
Technical field
The invention belongs to technical field of air purification, and in particular to a kind of tool has the material for air purification of self-catalysis effect
And preparation method thereof.
Background technique
People daily an average of about 80% or more time spend indoors.Therefore, indoor air quality is strong to human body
The relationship of health just seems more closely more important.Room air pollution and hypertension, the excessively high disease of cholesterol and obesity at present
Etc. common columns be human health ten greatly threaten.Indoor environmental pollution has caused 35.7% respiratory disease, 22% it is slow
Property tuberculosis and 15% tracheitis, bronchitis and lung cancer.Room air pollution has become maximum to public health harm
One of five kinds of environmental factors.Wherein, indoor construction material, finishing material etc. cause the main source of indoor pollution, and by
Poor in room air circulation, pollution sources are easy to discharge for a long time, and constantly gather and accumulate, and exceed safety index.In addition,
In automobile, in aircraft etc. in various enclosure spaces, also can there is with indoor similar contamination phenomenon.Traditional indoor air cleaning
Change means rely primarily on physical absorption, or electric discharge decomposition method, the former purification efficiency is limited, and the latter then often will cause it is new
Ozone pollution method.In recent years, report and research in relation to making material for air purification using self-catalysis material are increasing.
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, by the water or oxygen in air
Gas be catalyzed into the extremely strong hydroxyl radical free radical of oxidability (OH) and ultra-oxygen anion free radical (O2), active oxygen (HO2,
) etc. H2O2 with the photoproduction active group of extremely strong oxidability, the energy of these photoproduction active groups is equivalent to the height of 3600K
Temperature, has very strong oxidisability, these strong oxidizing property groups potent can decompose the various organic compounds with unstable chemical bond
Object and part inorganic matter, and the cell membrane of bacterium and the protein carrier of solidification virus can be destroyed.In development in science and technology
Under the conditions of, titanium dioxide technology is also continuously improved.Currently, preparing nano-TiO2Method it is very much, can substantially be summarized as physics
Method and chemical method, physical method are mainly mechanical crushing method, are required disintegrating apparatus very high；Chemical method be 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 be 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 causes greatly adhesive force low, and the nano-titanium dioxide that prior art preparation goes out need to add adhesive, adhesive
Can be toxic to human body, livestock, so being restricted in application field.
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, manufacturing cost are low
The preparation method of particle catalyst and its dispersion liquid.
Preparation of the invention includes:
(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；
Prepare the support dispersion E containing carrier material or carrier material presoma
(2) it mixes and reacts
2.1, solution A and solution B are added in solution C, stir 1-12 hours, obtains mixed solution H1；
2.2, solution D and Solution H 1 are mixed, stirs 1-12 hours, obtains the alcohol dispersion liquid H2 containing titanium oxide；
(3) it is evaporated under reduced pressure
By the alcohol dispersion liquid H2 containing titanium oxide, it is evaporated under reduced pressure alcohol, while slowly adding aqueous solvent replacement, titanium dioxide is made
Concentration is the aqueous dispersions of 0.1-5wt%:
Between above-mentioned steps 2.1 and 2.2 or between step 2.2 and step (3) or in step (3) or after step (3)
Support dispersion E is added.
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, chlorate；
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；
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；
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 silicane；
In the material for air purification, on the basis of titanium oxide, the silver containing 1-5%wt%；
The carrier material be selected from active carbon or porous carbon particle, activated carbon fiber, chitosan, acid fiber by polylactic or
Grain, molecular sieve, bamboo fibre, glass fibre.
According to different application environment and scene, material for air purification of the invention can be prepared as diversified forms, packet
It includes, but is not limited to:
It is attached to the dispersion liquid of the titanium oxide nanoparticles on carrier material:
Alternatively, the dispersion liquid for the titanium oxide nanoparticles being further attached to described in filtration and or drying on carrier material,
The obtained titanium oxide nanoparticles material being attached on carrier material；
Alternatively, by the dispersion of the titanium oxide nanoparticles being attached on carrier material or to be sprayed to other pre-
The air cleaning core material formed on shape air filtering material；
Preferably, the material for air purification is prepared as containing Titanium dioxide nanoparticle while there is the suction of haze particle
The air filtration cotton of attached removal function, has preparation process for example:
Prepare length glass fibre different in size between 0.5-15um, by glass fibre in the acidity containing cyclodextrin
Disperse in solution, stir and forms slurry；
The slurries are mixed with titanium dioxide water-dispersion liquid obtained in step (3) afterwards in step (3), and filtering and removing slag simultaneously carry out
Papermaking molding, is then dried in vacuo, obtains the all-glass paper containing Titanium dioxide nanoparticle.
The present invention also provides the air cleaning units for using the material for air purification with self-catalysis effect.
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 reunite.
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.
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
Product of 5-100 nanometers higher than partial size.Particle is smaller, and specific surface area is bigger, and surface atom number increases, the surface effect of ultramicron
Should be more significant, 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 reactant of absorption
The more, the material concentration being oxidated or reduced is also bigger, therefore visible light catalysis activity significantly improves.
Also, by introducing support dispersion in preparatory phase, Titanium dioxide nanoparticle can be made to be uniformly dispersed, adhere to
On carrier, facilitate the subsequent use under various application environments.And since selected carrier itself has to haze, dust
And the adsorption capacity of all kinds of chemical pollutants, so that air purification effect more enhances.
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,
H1 solution 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, H1 solution 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, then the support dispersion containing activated carbon fiber is added
Wherein continue to stir, titanium dioxide alcohol dispersion liquid H2 is made.
H2 component is evaporated under reduced pressure ethyl alcohol by the 5th step, while slowly adding distilled water to 100 grams of progress solvent replacements, system
Obtain the aqueous dispersions that titanium dioxide concentration is 0.5%.
The dispersion liquid can be directly sprayed on the pollution sources such as indoor wall, floor, furniture, will be obtained after can also filtering
Particle be packed into purification device, or directly further prepare air cleaning cotton, air cleaning core material using the dispersion liquid
Deng.
Embodiment 2
2.35 grams of isopropyl titanates in embodiment 1 are replaced with into 4 grams of butyl titanates, by support dispersion replace with containing
Active carbon particle, other are same as Example 1, and the aqueous dispersions that titanium dioxide concentration is 0.8% are made.
Embodiment 3
0.0015 gram of silver nitrate in embodiment 2 is replaced with into 0.002 gram of silver chlorate, support dispersion is replaced with into shell and is gathered
Sugar, and be added after third step, before the 4th step, other are same as Example 1.
Embodiment 4
Support dispersion in embodiment 1 is replaced with into the load containing glass fibre different in size between 0.5-15um
Dispersion liquid, specifically:
Glass fibre is dispersed in the acid solution containing cyclodextrin, stirs and forms slurry；
The slurries are directly mixed with obtained titanium dioxide water-dispersion liquid after the 5th step, and filtering and removing slag simultaneously carry out papermaking
Molding, is then dried in vacuo, obtains the all-glass paper containing Titanium dioxide nanoparticle.
Claims (10)
1. a kind of preparation method of the material for air purification with self-catalysis effect, 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；
Prepare the support dispersion E containing carrier material or carrier material presoma
(2) it mixes and reacts
2.1, solution A and solution B are added in solution C, stir 1-12 hours, obtains mixed solution H1；
2.2, solution D and Solution H 1 are mixed, stirs 1-12 hours, obtains the alcohol dispersion liquid H2 containing titanium oxide；
(3) it is evaporated under reduced pressure
By the alcohol dispersion liquid H2 containing titanium oxide, it is evaporated under reduced pressure alcohol, while slowly adding aqueous solvent replacement, titanium dioxide concentration is made
For the aqueous dispersions of 0.1-5wt%:
Between above-mentioned steps 2.1 and 2.2 or between step 2.2 and step (3) or in step (3) or step (3) is added afterwards
Support dispersion E.
2. the preparation method of the material for air purification according to claim 1 with self-catalysis effect, it is characterised in that:
The titania precursor body is selected from tetraethyl titanate, butyl titanate, titanium propanolate；
The silver salt is selected from silver nitrate, chlorate；
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 the material for air purification according to claim 1 with self-catalysis effect, 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.
4. the preparation method of the material for air purification according to claim 1 with self-catalysis effect, it is characterised in that:
It is described silane coupled selected from Ethoxysilane, methoxy silane, amino silane, preferably methoxy silane, most preferably
Diethylenetriamine base propyl trimethoxy silicane.
5. the preparation method of the material for air purification according to claim 1 to 4 with self-catalysis effect, feature
It is:
In the material for air purification, on the basis of titanium oxide, the silver containing 1-5%wt%.
6. the preparation method of the material for air purification according to claim 1 to 4 with self-catalysis effect, feature
It is:
The carrier material is selected from active carbon or porous carbon particle, activated carbon fiber, chitosan, acid fiber by polylactic or particle, divides
Sub- sieve, bamboo fibre, glass fibre.
7. the preparation method of the material for air purification according to claim 6 with self-catalysis effect, it is characterised in that:
Obtained material for air purification are as follows:
It is attached to the dispersion liquid of the titanium oxide nanoparticles on carrier material:
Alternatively, the dispersion liquid for the titanium oxide nanoparticles being further attached to described in filtration and or drying on carrier material, obtains
The titanium oxide nanoparticles material being attached on carrier material；
Alternatively, by the dispersion of the titanium oxide nanoparticles being attached on carrier material or to be sprayed to other preforming
The air cleaning core material formed on air filting material.
8. the preparation method of the material for air purification according to claim 6 with self-catalysis effect, it is characterised in that: institute
Stating carrier material is glass fibre, and the carrier material dispersion liquid E is the slurries containing glass fibre, the preparation method of the slurries
Are as follows:
Prepare length glass fibre different in size between 0.5-15um, by glass fibre in the acid solution containing cyclodextrin
Middle dispersion stirs and forms slurry.
9. the preparation method of the material for air purification according to claim 8 with self-catalysis effect, it is characterised in that: institute
Slurries to be stated to mix with titanium dioxide water-dispersion liquid obtained in step (3) afterwards in step (3), filtering and removing slag simultaneously carry out papermaking molding,
Then it is dried in vacuo, obtains the all-glass paper containing Titanium dioxide nanoparticle.
10. a kind of air cleaning unit, it includes the air cleaning materials with self-catalysis effect that claim 1-9 is prepared
Material.
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