CN108722387A - A kind of composite catalyst and preparation method thereof of car gas purification - Google Patents
A kind of composite catalyst and preparation method thereof of car gas purification Download PDFInfo
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- CN108722387A CN108722387A CN201810623618.1A CN201810623618A CN108722387A CN 108722387 A CN108722387 A CN 108722387A CN 201810623618 A CN201810623618 A CN 201810623618A CN 108722387 A CN108722387 A CN 108722387A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 60
- 238000000746 purification Methods 0.000 title claims abstract description 51
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000839 emulsion Substances 0.000 claims abstract description 23
- 150000002148 esters Chemical class 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 15
- 229920000642 polymer Polymers 0.000 claims abstract description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 13
- 239000004088 foaming agent Substances 0.000 claims abstract description 12
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 10
- 239000004970 Chain extender Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 239000003002 pH adjusting agent Substances 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 229910052747 lanthanoid Inorganic materials 0.000 claims abstract description 4
- 150000002602 lanthanoids Chemical class 0.000 claims abstract description 4
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 3
- 239000013067 intermediate product Substances 0.000 claims description 59
- 239000007789 gas Substances 0.000 claims description 56
- 238000006243 chemical reaction Methods 0.000 claims description 35
- 238000005406 washing Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000000047 product Substances 0.000 claims description 19
- 239000011259 mixed solution Substances 0.000 claims description 18
- 239000006210 lotion Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 10
- 238000010792 warming Methods 0.000 claims description 10
- 238000002604 ultrasonography Methods 0.000 claims description 8
- 239000004156 Azodicarbonamide Substances 0.000 claims description 7
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 7
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 7
- -1 graphite alkene Chemical class 0.000 claims description 7
- 229920001610 polycaprolactone Polymers 0.000 claims description 6
- 239000004632 polycaprolactone Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 239000004816 latex Substances 0.000 claims description 2
- 229920000126 latex Polymers 0.000 claims description 2
- 239000000113 methacrylic resin Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 150000002815 nickel Chemical class 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 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 2
- 150000003751 zinc Chemical class 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 239000000725 suspension Substances 0.000 claims 2
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 239000008367 deionised water Substances 0.000 claims 1
- 229910021641 deionized water Inorganic materials 0.000 claims 1
- 239000012065 filter cake Substances 0.000 claims 1
- 238000003682 fluorination reaction Methods 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 238000001802 infusion Methods 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 230000000505 pernicious effect Effects 0.000 abstract description 11
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 238000006731 degradation reaction Methods 0.000 abstract description 5
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 36
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 19
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 17
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 15
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical group [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 14
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 10
- 230000031709 bromination Effects 0.000 description 9
- 238000005893 bromination reaction Methods 0.000 description 9
- 235000019441 ethanol Nutrition 0.000 description 9
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 description 8
- UQMOLLPKNHFRAC-UHFFFAOYSA-N tetrabutyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)OCCCC UQMOLLPKNHFRAC-UHFFFAOYSA-N 0.000 description 8
- 239000012855 volatile organic compound Substances 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 239000006087 Silane Coupling Agent Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 5
- AXPZIVKEZRHGAS-UHFFFAOYSA-N 3-benzyl-5-[(2-nitrophenoxy)methyl]oxolan-2-one Chemical compound [O-][N+](=O)C1=CC=CC=C1OCC1OC(=O)C(CC=2C=CC=CC=2)C1 AXPZIVKEZRHGAS-UHFFFAOYSA-N 0.000 description 4
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 4
- HRHBQGBPZWNGHV-UHFFFAOYSA-N azane;bromomethane Chemical compound N.BrC HRHBQGBPZWNGHV-UHFFFAOYSA-N 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethyl sulfoxide Natural products CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical class OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical group [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910001961 silver nitrate Inorganic materials 0.000 description 2
- 235000015393 sodium molybdate Nutrition 0.000 description 2
- 239000011684 sodium molybdate Substances 0.000 description 2
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution 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
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 2
- 229960001763 zinc sulfate Drugs 0.000 description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 description 2
- 229940058015 1,3-butylene glycol Drugs 0.000 description 1
- OJRJDENLRJHEJO-UHFFFAOYSA-N 2,4-diethylpentane-1,5-diol Chemical class CCC(CO)CC(CC)CO OJRJDENLRJHEJO-UHFFFAOYSA-N 0.000 description 1
- UXAMZEYKWGPDBI-UHFFFAOYSA-N C(CCCCCCCCCCCCCCC)Br(C)(C)C Chemical compound C(CCCCCCCCCCCCCCC)Br(C)(C)C UXAMZEYKWGPDBI-UHFFFAOYSA-N 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical group COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 208000017701 Endocrine disease Diseases 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010019851 Hepatotoxicity Diseases 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 208000005374 Poisoning Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 235000019437 butane-1,3-diol Nutrition 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
- 238000003763 carbonization Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- VIRPUNZTLGQDDV-UHFFFAOYSA-N chloro propanoate Chemical compound CCC(=O)OCl VIRPUNZTLGQDDV-UHFFFAOYSA-N 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 208000030172 endocrine system disease Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000007686 hepatotoxicity Effects 0.000 description 1
- 231100000304 hepatotoxicity Toxicity 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 208000032839 leukemia Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- AIDQCFHFXWPAFG-UHFFFAOYSA-N n-formylformamide Chemical compound O=CNC=O AIDQCFHFXWPAFG-UHFFFAOYSA-N 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 239000013047 polymeric layer Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
Classifications
-
- 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
- B01J21/18—Carbon
-
- 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
-
- B01J35/61—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Abstract
The present invention relates to auto-parts technical fields, and in particular to the composite catalyst and preparation method thereof of interior gas purification, the composite catalyst of the car gas purification are made of the substance of following parts by weight：1~5 parts by weight of organic titanate, 3~12 parts by weight of organosilicon acid esters, 0.005~0.02 parts by weight of soluble metallic salt, 0.0001~0.0005 parts by weight of lanthanide series metal, 5~15 parts by weight of cetyl trimethylammonium bromide, 1~5 parts by weight of foaming agent, 1~5 parts by weight of redox graphene, 10~50 parts by weight of polymer emulsion, 1~10 parts by weight of pH adjusting agent, 1~3 parts by weight of chain extender, 10~50 parts by weight of solvent.The composite catalyst of car gas purification provided by the invention can carry out enrichment and efficient degradation to interior pernicious gas, reach purification in-vehicle air, improve the purpose of in-car air quality.
Description
Technical field
The present invention relates to auto-parts technical fields, and in particular to it is a kind of car gas purification composite catalyst and its
Preparation method.
Background technology
With the development of the social economy, automobile has become common walking-replacing tool, since the inside gadget of automobile is mostly modeling
Glue product, therefore contain a large amount of volatile organic matter (VOCs) in interior especially new car, if interior VOCs concentration mistakes
It is easy to cause acute poisoning when high, less serious case will appear headache, dizziness, Nausea and vomiting, the dead drunk symptoms shape such as liquor-saturated；Severe one will appear
Hepatotoxicity is even gone into a coma quickly, and some can also can be in peril of one's life.It is chronically in the environment inside car containing VOCs, can also cause
Slow poisoning damages liver and nervous system, some can also cause endocrine disorder, so that cause leukaemia.
Air conditioning for automobiles has been the essential component part of existing automobile, can be recycled to interior gas, empty
Air filtering core in tune can adsorb the particulates emission in air, but can not be inhaled to indoor pernicious gas
Echo decomposition；Can also by opeing the window, by noxious gas emission to air, and when environment temperature is too high or too low,
This discharging modes are just restricted；Or substance absorption pernicious gas of the purchase with adsorptivity, but this kind of adsorptivity
Substance mostly can only adsorb indoor pollutant, not carry out degradation treatment to it, to will produce secondary pollution, still
So there is larger harm to human body.
Invention content
The object of the present invention is to provide a kind of composite catalysts of interior gas purification, it can be to interior pernicious gas
Enrichment and efficient degradation effect, achieve the purpose that purify in-vehicle air.
The present invention also provides a kind of preparation methods of the composite catalyst of interior gas purification.
To achieve the goals above, the present invention provides a kind of composite catalyst of interior gas purification, by following parts by weight
Substance be made：1~5 parts by weight of organic titanate, 3~12 parts by weight of organosilicon acid esters, soluble metallic salt 0.005~0.02
Parts by weight, 0.0001~0.0005 parts by weight of lanthanide series metal, 5~15 parts by weight of cetyl trimethylammonium bromide, foaming agent 1~
5 parts by weight, 1~5 parts by weight of redox graphene, 10~50 parts by weight of polymer emulsion, 1~10 parts by weight of pH adjusting agent,
1~3 parts by weight of chain extender, 10~50 parts by weight of solvent
The present invention also provides a kind of preparation method of the composite catalyst of interior gas purification,
(1) organosilicon acid esters, organic titanate are uniformly mixed, obtain mixed solution A, by cetyl trimethyl bromination
Ammonium and soluble metallic salt are uniformly mixed in water, and mixed solution A then is added dropwise into the mixed system under stirring conditions,
After completion of dropwise addition, it is 5.3~6.2 that pH adjusting agent regulation system pH, which is added, then seals mixed system at 100~160 DEG C
1~4h is reacted, product centrifuge washing is dried, intermediate product 1 is obtained；
(2) after poly-epoxychloropropane dimethylamine being uniformly dispersed in water, addition intermediate product 1, ultrasonic reaction 15~
25min is then centrifuged for washing drying, obtains intermediate product 2；
(3) by intermediate product 2 and polymer emulsion, ultrasonic disperse is uniform in a solvent, and chain extender and foaming agent is then added
It is uniformly mixed, then 2~8min of microwave reaction, then 10~20min of ultrasound, after product centrifuge washing is dried, obtains centre
Product 3；
(4) intermediate product 3 is roasted to 5~20min at 200~250 DEG C, is then warming up to 300~500 DEG C, and 300
2~6h is roasted at~500 DEG C, obtains the composite catalyst of interior gas purification.
A kind of composite catalyst of car gas purification, is prepared according to the above method.
Through the above technical solutions, the beneficial effects of the invention are as follows：
By by organic titanate, organosilicon acid esters, soluble metallic salt and cetyl trimethyl bromination in the present invention
Ammonium reacts, and generates silicon-titanium catalyst with catalytic performance, and then on the surface of silicon-titanium catalyst, cladding has three-dimensional apertures knot
The activated carbon layer of structure, it has larger specific surface area and active reaction sites, can adsorb the pernicious gas in air, silicon-
The pernicious gas of generation can be catalytically decomposed for titanium catalyst, to reach the enrichment of pernicious gas and efficiently drop in air
Solution achievees the purpose that purify in-vehicle air.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of composite catalyst of interior gas purification, is made of the substance of following parts by weight：Organic titanium
1~5 parts by weight of acid esters, 3~12 parts by weight of organosilicon acid esters, 0.005~0.02 parts by weight of soluble metallic salt, poly- epoxy chloropropionate
6~20 parts by weight of alkane dimethylamine, 5~15 parts by weight of cetyl trimethylammonium bromide, 1~5 parts by weight of foaming agent, polymer breast
10~50 parts by weight of liquid, 1~10 parts by weight of pH adjusting agent, 1~3 parts by weight of chain extender, 10~50 parts by weight of solvent.
Under optimum condition, the catalyst is made of the substance of following parts by weight：1.2~3.6 parts by weight of organic titanate,
5~10 parts by weight of organosilicon acid esters, 0.01~0.015 parts by weight of soluble metallic salt, 8~15 weight of poly-epoxychloropropane dimethylamine
Measure part, 8~12 parts by weight of cetyl trimethylammonium bromide, 2~3 parts by weight of foaming agent, 20~45 parts by weight of polymer emulsion,
3~8 parts by weight of pH adjusting agent, 1~3 parts by weight of chain extender, 10~50 parts by weight of solvent.
The present invention also provides a kind of preparation methods of the composite catalyst of the interior gas purification, include the following steps：
(1) organosilicon acid esters, organic titanate are uniformly mixed, obtain mixed solution A, by cetyl trimethyl bromination
Ammonium and soluble metallic salt are uniformly mixed in water, and mixed solution A then is added dropwise into the mixed system under stirring conditions,
After completion of dropwise addition, it is 5.3~6.2 that pH adjusting agent regulation system pH, which is added, then seals mixed system at 100~160 DEG C
1~4h is reacted, product centrifuge washing is dried, intermediate product 1 is obtained；
(2) after poly-epoxychloropropane dimethylamine being uniformly dispersed in water, addition intermediate product 1, ultrasonic reaction 15~
25min is then centrifuged for washing drying, obtains intermediate product 2；
(3) by intermediate product 2 and polymer emulsion, ultrasonic disperse is uniform in a solvent, and chain extender and foaming agent is then added
It is uniformly mixed, then 2~8min of microwave reaction, then 10~20min of ultrasound, after product centrifuge washing is dried, obtains centre
Product 3；
(4) intermediate product 3 is roasted to 5~20min at 200~250 DEG C, is then warming up to 300~500 DEG C, and 300
2~6h is roasted at~500 DEG C, obtains the composite catalyst of interior gas purification.
In step (1), by by organosilicon acid esters, organic titanate, cetyl trimethylammonium bromide and solubility
Metal salt reacts in water, obtains silicon-titanium catalyst presoma of metal ion mixing, i.e. intermediate product 1；Then intermediate product
1 reacts with poly-epoxychloropropane dimethylamine, hydroxy functional group can be generated with the surface of intermediate product 1, to improve intermediate product 1
With the binding force of polymer emulsion；Then intermediate product 2 is reacted with the polymer emulsion containing foaming agent, it can be in
Between product 2 surface coat the polymer containing foaming agent, obtain intermediate product 3, intermediate product 3 is first at 200~250 DEG C
Lower roasting can be such that the foaming agent in polymeric layer decomposes, and generate three-D pore structure, then roasted at 300~500 DEG C again,
Cetyl trimethylammonium bromide can be made to resolve into silicon-titanium catalyst with porous structure, while also making polymer carbonization
Viability charcoal is to get to the composite catalyst containing multiple pore structure.
Under optimum condition, the organic titanate is selected from tetraethyl titanate, tetramethoxy titanate ester, tetraisopropyl titanate, metatitanic acid
At least one of four isobutyl esters, tetra-n-butyl titanate.The organosilicon acid esters is selected from quanmethyl silicate, ethyl orthosilicate, silicon
At least one of sour four butyl esters.
Under optimum condition, the polymer emulsion is selected from polyacrylonitrile lotion, epoxy resin latex, methacrylic resin
In lotion, polycaprolactone lotion, polyaminoester emulsion, fluorinated polyurethane lotion, Kynoar-chlorotrifluoroethylene lotion at least
It is a kind of.One of an important factor for concentration of polymer emulsion is influence catalyst performance, under optimum condition, the polymer emulsion
Solid content be 25~60wt%.
Silicon-titanium catalyst is doped by metal ion, the catalytic performance of silicon-titanium catalyst can be improved, to
Improve its degradation rate to pernicious gas, under optimum condition, the soluble metallic salt is selected from molysite, soluble nickel salt, solvable
At least one of property cobalt salt, soluble molybdenum hydrochlorate, soluble zinc salt and soluble silver salt.
Under optimum condition, the foaming agent is selected from 4,4- oxobenzenesulfonyl hydrazide, azodicarbonamide, N ,-two nitrous of N '
At least one of five methine tetramine of base.
Under optimum condition, the silane coupling agent is selected from Silane coupling agent KH550, silane coupling agent KH560, silane coupled
Agent KH570, silane coupling agent KH580, silane coupling agent KH590, silane coupling agent KH792, silane coupling agent KBM602, silane
At least one of coupling agent A151 and silane coupling A 171.
Under optimum condition, the chain extender be selected from ethylene glycol, 1,3-BDO, 1,10- certain herbaceous plants with big flowers glycol, Isosorbide-5-Nitrae-cyclohexanediol,
1,8- ethohexadiols, neopentyl glycol, 2- methyl-1,3-propanediols, 2,4- diethyl -1,5- pentanediols and 3- methyl-1s, 5- penta 2
At least one of alcohol.
Under optimum condition, the solvent is selected from acetone, n,N-Dimethylformamide, N-Methyl pyrrolidone, N, N- diformazans
Yl acetamide, N, in N- diethylformamides, ethyl alcohol, ethyl acetate, tetrahydrofuran, petroleum ether, dimethyl sulfoxide (DMSO) and water extremely
Few one kind.
A kind of composite catalyst of car gas purification, is prepared according to the above method.
By by organic titanate, organosilicon acid esters, soluble metallic salt and cetyl trimethyl bromination in the present invention
Ammonium reacts, and generates silicon-titanium catalyst with catalytic performance, and then on the surface of silicon-titanium catalyst, cladding has three-dimensional apertures knot
The activated carbon layer of structure, it has larger specific surface area and active reaction sites, can adsorb the pernicious gas in air, silicon-
The pernicious gas of generation can be catalytically decomposed for titanium catalyst, to reach the enrichment of the pernicious gas in air with efficiently
The effect of degradation achievees the purpose that purify in-vehicle air.
The present invention will be described in detail by way of examples below.
Embodiment 1
A kind of composite catalyst of car gas purification, is made of the substance of following parts by weight：2.5 weight of tetraethyl titanate
Part, 6 parts by weight of tetrabutyl silicate, 0.012 parts by weight of nickel chloride, 12 parts by weight of poly-epoxychloropropane dimethylamine, cetyl three
10 parts by weight of methyl bromide ammonium, 2.5 parts by weight of 4,4- oxobenzenesulfonyl hydrazide, 30 parts by weight (NORMIC- of polyaminoester emulsion
3150, solid content 30wt%), 5 parts by weight of hydrochloric acid (2M), 2 parts by weight of neopentyl glycol, 30 parts by weight of ethyl alcohol.
The preparation method of the composite catalyst of the car gas purification, steps are as follows：
(1) tetraethyl titanate, tetrabutyl silicate are uniformly mixed, obtain mixed solution A, by cetyl trimethyl bromination
Ammonium and nickel chloride are uniformly mixed in water, and mixed solution A is then added dropwise into the mixed system under stirring conditions, and knot is added dropwise
Shu Hou, it is 6.2 that hydrochloric acid regulation system pH, which is added, then mixed system is sealed to reaction 3h at 150 DEG C, by product centrifuge washing
It is dry, obtain intermediate product 1；
(2) after poly-epoxychloropropane dimethylamine being uniformly dispersed in water, addition intermediate product 1, ultrasonic reaction 12min,
It is then centrifuged for washing drying, obtains intermediate product 2；
(3) by intermediate product 2 and polyaminoester emulsion, ultrasonic disperse is uniform in ethanol, and neopentyl glycol and 4,4- is then added
Oxobenzenesulfonyl hydrazide is uniformly mixed, then microwave reaction 5min, then ultrasound 15min, after product centrifuge washing is dried, is obtained
Power to intermediate product 3, the microwave reaction is 300W, frequency 1600KHz；
(4) intermediate product 3 at 200 DEG C is roasted into 10min, is then warming up to 450 DEG C, and 5h is roasted at 450 DEG C, obtains
The composite catalyst of interior gas purification.
Embodiment 2
A kind of composite catalyst of car gas purification, is made of the substance of following parts by weight：3.6 weight of tetramethoxy titanate ester
Part, 10 parts by weight of tetrabutyl silicate, 0.015 parts by weight of sodium molybdate, 8 parts by weight of poly-epoxychloropropane dimethylamine, cetyl three
(CA0102 is purchased from Dongguan City for 12 parts by weight of methyl bromide ammonium, 2 parts by weight of azodicarbonamide, 45 parts by weight of polycaprolactone lotion
Ying Sheng plastic cement Chemical Co., Ltd., solid content 60wt%), 3 parts by weight of hydrochloric acid (2M), 2- methyl-1s, 1 weight of 3-propanediol
Part, 10 parts by weight of N,N-dimethylformamide.
The preparation method of the composite catalyst of the car gas purification, steps are as follows：
(1) tetramethoxy titanate ester tetrabutyl silicate is uniformly mixed, obtains mixed solution A, by cetyl trimethyl bromination
Ammonium and sodium molybdate are uniformly mixed in water, and mixed solution A is then added dropwise into the mixed system under stirring conditions, and knot is added dropwise
Shu Hou, it is 5.5 that hydrochloric acid regulation system pH, which is added, then mixed system is sealed to reaction 3h at 120 DEG C, by product centrifuge washing
It is dry, obtain intermediate product 1；
(2) after poly-epoxychloropropane dimethylamine being uniformly dispersed in water, addition intermediate product 1, ultrasonic reaction 15~
25min is then centrifuged for washing drying, obtains intermediate product 2；
(3) intermediate product 2 and polycaprolactone lotion ultrasonic disperse in n,N-Dimethylformamide is uniform, then it is added
2- methyl-1s, 1 parts by weight of 3-propanediol and azodicarbonamide are uniformly mixed, then microwave reaction 3min, then ultrasonic
15min after drying product centrifuge washing, obtains intermediate product 3, the power of the microwave reaction is 300W, and frequency is
1600KHz；
(4) intermediate product 3 at 220 DEG C is roasted into 10min, is then warming up to 350 DEG C, and 3h is roasted at 350 DEG C, obtains
To the composite catalyst of interior gas purification.
Embodiment 3
A kind of composite catalyst of car gas purification, is made of the substance of following parts by weight：1.2 weight of tetraethyl titanate
Part, 5 parts by weight of tetrabutyl silicate, 0.01 parts by weight of silver nitrate, 15 parts by weight of poly-epoxychloropropane dimethylamine, cetyl front three
8 parts by weight of base ammonium bromide, 4,4- oxobenzenesulfonyl hydrazide, 3 parts by weight, 20 parts by weight of polyaminoester emulsion (NORMIC-3150, admittedly contain
Amount be 50wt%), 8 parts by weight of hydrochloric acid (2M), 3 parts by weight of 2- methyl-1,3-propanediols, 50 weight of N,N-dimethylformamide
Part.
The preparation method of the composite catalyst of the car gas purification, steps are as follows：
(1) tetraethyl titanate, tetrabutyl silicate are uniformly mixed, obtain mixed solution A, by cetyl trimethyl bromination
Ammonium and silver nitrate are uniformly mixed in water, and mixed solution A is then added dropwise into the mixed system under stirring conditions, and knot is added dropwise
Shu Hou, it is 5.8 that hydrochloric acid regulation system pH, which is added, then mixed system is sealed to reaction 3h at 120 DEG C, by product centrifuge washing
It is dry, obtain intermediate product 1；
(2) after poly-epoxychloropropane dimethylamine being uniformly dispersed in water, addition intermediate product 1, ultrasonic reaction 20min,
It is then centrifuged for washing drying, obtains intermediate product 2；
(3) by intermediate product 2 and polyaminoester emulsion, ultrasonic disperse is uniform in n,N-Dimethylformamide, and 2- is then added
Methyl-1,3-propanediol and 4,4- oxobenzenesulfonyl hydrazide are uniformly mixed, then microwave reaction 5min, then ultrasound 15min, will
After the drying of product centrifuge washing, intermediate product 3 is obtained, the power of the microwave reaction is 400W, frequency 1800KHz；
(4) intermediate product 3 at 220 DEG C is roasted into 10min, is then warming up to 400 DEG C, and 3h is roasted at 400 DEG C, obtains
To the composite catalyst of interior gas purification.
Embodiment 4
A kind of composite catalyst of car gas purification, is made of the substance of following parts by weight：5 weight of tetramethoxy titanate ester
Part, 12 parts by weight of ethyl orthosilicate, 0.02 parts by weight of zinc sulfate, 6 parts by weight of poly-epoxychloropropane dimethylamine, cetyl front three
15 parts by weight of base ammonium bromide, 3.6 parts by weight of azodicarbonamide, polyaminoester emulsion 10 parts by weight (NORMIC-3150, solid content
For 45wt%), 1 parts by weight of hydrochloric acid (2M), 1.5 parts by weight of 1,3 butylene glycol, 30 parts by weight of water.
The preparation method of the composite catalyst of the car gas purification, steps are as follows：
(1) tetramethoxy titanate ester, ethyl orthosilicate are uniformly mixed, obtain mixed solution A, by cetyl trimethyl bromination
Ammonium and zinc sulfate are uniformly mixed in water, and mixed solution A is then added dropwise into the mixed system under stirring conditions, and knot is added dropwise
Shu Hou, it is 6.2 that hydrochloric acid regulation system pH, which is added, then mixed system is sealed to reaction 1h at 100 DEG C, by product centrifuge washing
It is dry, obtain intermediate product 1；
(2) after poly-epoxychloropropane dimethylamine being uniformly dispersed in water, addition intermediate product 1, ultrasonic reaction 25min,
It is then centrifuged for washing drying, obtains intermediate product 2；
(3) by intermediate product 2 and polyaminoester emulsion, ultrasonic disperse is uniform in water, and 1,3-BDO and azo is then added
Diformamide is uniformly mixed, then microwave reaction 2min, then ultrasound 10min, after product centrifuge washing is dried, obtains centre
The power of product, the microwave reaction is 500W, frequency 2000KHz；
(4) intermediate product 3 at 200 DEG C is roasted into 5min, is then warming up to 300 DEG C, and 6h is roasted at 300 DEG C, obtains
To the composite catalyst of interior gas purification.
Embodiment 5
A kind of composite catalyst of car gas purification, is made of the substance of following parts by weight：1 weight of tetrabutyl titanate
Part, 3 parts by weight of ethyl orthosilicate, 0.005 parts by weight of cobalt chloride, 20 parts by weight of poly-epoxychloropropane dimethylamine, cetyl three
(CA0102 is purchased from Dongguan City for 5 amount part of methyl bromide ammonium, 2.3 parts by weight of azodicarbonamide, 50 parts by weight of polycaprolactone lotion
Ying Sheng plastic cement Chemical Co., Ltd., solid content 25wt%), 10 parts by weight of hydrochloric acid (2M), 2.1 parts by weight of 1,3-BDO, second
50 parts by weight of alcohol.
The preparation method of the composite catalyst of the car gas purification, steps are as follows：
(1) tetrabutyl titanate, ethyl orthosilicate are uniformly mixed, obtain mixed solution A, by cetyl trimethyl bromine
Change ammonium and cobalt chloride is uniformly mixed in water, mixed solution A then is added dropwise into the mixed system under stirring conditions, is added dropwise
After, it is 5.3 that hydrochloric acid regulation system pH, which is added, then mixed system is sealed to reaction 4h at 160 DEG C, and product centrifugation is washed
Drying is washed, intermediate product 1 is obtained；
(2) after poly-epoxychloropropane dimethylamine being uniformly dispersed in water, addition intermediate product 1, ultrasonic reaction 15min,
It is then centrifuged for washing drying, obtains intermediate product 2；
(3) by intermediate product 2 and polycaprolactone lotion, ultrasonic disperse is uniform in ethanol, then be added 1,3-BDO and
Azodicarbonamide is uniformly mixed, then microwave reaction 8min, then ultrasound 20min, after product centrifuge washing is dried, is obtained
The power of intermediate product 3, the microwave reaction is 300W, frequency 1600KHz；
(4) intermediate product 3 at 250 DEG C is roasted into 20min, is then warming up to 500 DEG C, and 2h is roasted at 500 DEG C, obtains
To the composite catalyst of interior gas purification.
Comparative example 1
A kind of composite catalyst of car gas purification, is made of the substance of following parts by weight：2.5 weight of tetraethyl titanate
Part, 6 parts by weight of tetrabutyl silicate, 0.012 parts by weight of nickel chloride, 12 parts by weight of poly-epoxychloropropane dimethylamine, cetyl three
10 parts by weight of methyl bromide ammonium, 30 parts by weight of polyaminoester emulsion (NORMIC-3150, solid content 30wt%), 5 parts by weight of hydrochloric acid
(2M), 2 parts by weight of neopentyl glycol, 30 parts by weight of ethyl alcohol.
The preparation method of the composite catalyst of the car gas purification, steps are as follows：
(1) tetraethyl titanate, tetrabutyl silicate are uniformly mixed, obtain mixed solution A, by cetyl trimethyl bromination
Ammonium and nickel chloride are uniformly mixed in water, and mixed solution A is then added dropwise into the mixed system under stirring conditions, and knot is added dropwise
Shu Hou, it is 6.2 that hydrochloric acid regulation system pH, which is added, then mixed system is sealed to reaction 3h at 150 DEG C, by product centrifuge washing
It is dry, obtain intermediate product 1；
(2) after poly-epoxychloropropane dimethylamine being uniformly dispersed in water, addition intermediate product 1, ultrasonic reaction 12min,
It is then centrifuged for washing drying, obtains intermediate product 2；
(3) by intermediate product 2 and polyaminoester emulsion, ultrasonic disperse is uniform in ethanol, and it is equal that neopentyl glycol mixing is then added
It is even, then microwave reaction 5min, then ultrasound 15min obtain intermediate product 3, the microwave after drying product centrifuge washing
The power of reaction is 300W, frequency 1600KHz；
(4) intermediate product 3 at 200 DEG C is roasted into 10min, is then warming up to 450 DEG C, and 5h is roasted at 450 DEG C, obtains
To the composite catalyst of interior gas purification.
Comparative example 2
A kind of composite catalyst of car gas purification, is made of the substance of following parts by weight：2.5 weight of tetraethyl titanate
Part, 12 parts by weight of poly-epoxychloropropane dimethylamine, 10 parts by weight of cetyl trimethylammonium bromide, 4,4- oxobenzenesulfonyl hydrazide
2.5 parts by weight, 30 parts by weight of polyaminoester emulsion (NORMIC-3150, solid content 30wt%), 5 parts by weight of hydrochloric acid (2M), new penta
2 parts by weight of glycol, 30 parts by weight of ethyl alcohol.
The preparation method of the composite catalyst of the car gas purification, steps are as follows：
(1) tetraethyl titanate is added dropwise in cetyl trimethylammonium bromide, after completion of dropwise addition, hydrochloric acid regulation system is added
PH is 6.2, and then mixed system at 150 DEG C is sealed to reaction 3h, product centrifuge washing is dried, intermediate product 1 is obtained；
(2) centre production 1 at 200 DEG C is roasted into 10min, is then warming up to 450 DEG C, and 5h is roasted at 450 DEG C, obtains
The composite catalyst of interior gas purification.
Experiment test：
Purification of the composite catalyst of interior gas purification in 1-5 of the embodiment of the present invention and comparative example 1-2 to VOCs
It can evaluate and be carried out in the straight type polytetrafluoroethylene (PTFE) pipe reactor of Φ 20mm, long 200mm, by the composite catalyst of interior gas purification
Be added polytetrafluoroethylene (PTFE) pipe reactor in, then by polytetrafluoroethylene (PTFE) pipe reactor be evacuated to pressure be -1.0KPa, then to
Unstripped gas is injected in polytetrafluoroethylene (PTFE) pipe reactor to normal pressure, tests purification of the VOCs catalytic purifications agent to VOCs under different time
Rate, unstripped gas group become：VOCs concentration 36ppm (is 3 in molar ratio by formaldehyde, benzene, toluene:2:1), remaining is air.Reaction
It is carried out under 25 DEG C of atmospheric pressure environments, experimental result is as shown in table 1.
Table 1：Purifying property of the composite catalyst of interior gas purification in embodiment and comparative example to VOCs
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (6)
1. a kind of composite catalyst of car gas purification, which is characterized in that be made of the substance of following parts by weight：Organic metatitanic acid
1~5 parts by weight of ester, 3~12 parts by weight of organosilicon acid esters, 0.005~0.02 parts by weight of soluble metallic salt, lanthanide series metal
0.0001~0.0005 parts by weight, 5~15 parts by weight of cetyl trimethylammonium bromide, 1~5 parts by weight of foaming agent, oxygen reduction
1~5 parts by weight of graphite alkene, 10~50 parts by weight of polymer emulsion, 1~10 parts by weight of pH adjusting agent, 1~3 weight of chain extender
Part, 10~50 parts by weight of solvent.
2. a kind of preparation method of the composite catalyst of car gas purification, which is characterized in that include the following steps：
(1) organosilicon acid esters, organic titanate are uniformly mixed, obtain mixed solution A, by cetyl trimethylammonium bromide and
Lanthanide series metal is uniformly mixed in water, and mixed solution A, completion of dropwise addition is then added dropwise into the mixed system under stirring conditions
Afterwards, it is 5.3~6.2 that pH adjusting agent regulation system pH, which is added, then mixed system seal at 100~160 DEG C react 1~
4h dries product centrifuge washing, obtains intermediate product 1；
(2) soluble metallic salt, intermediate product 1, redox graphene and deionized water are hybridly prepared into suspension, stirred
1~2h, it is 9~10 to add aqueous slkali and adjust the pH value of suspension system, stands 1~2h after continuing 2~3h of stirring, passes through
Filter, the obtained filter cake of washing dry 10 at 100~120 DEG C~for 24 hours, be ground to 80~100 mesh, obtain intermediate product 2；
(3) by intermediate product 2 and polymer emulsion, ultrasonic disperse is uniform in a solvent, and chain extender and foaming agent mixing is then added
Uniformly, then 2~8min of microwave reaction, then 10~20min of ultrasound obtain intermediate product after drying product centrifuge washing
3；
(4) intermediate product 3 is roasted to 5~20min at 200~250 DEG C, is then warming up to 300~500 DEG C, and 300~
2~6h is roasted at 500 DEG C, obtains the composite catalyst of interior gas purification.
3. it is according to claim 2 car gas purification composite catalyst preparation method, which is characterized in that it is described can
Soluble metal salts is selected from molysite, soluble nickel salt, soluble cobalt, soluble molybdenum hydrochlorate, soluble zinc salt and soluble silver salt
At least one of.
4. the preparation method of the composite catalyst of car gas purification according to claim 2, which is characterized in that described poly-
It closes object lotion and is selected from epoxy resin latex, methacrylic resin lotion, polycaprolactone lotion, polyaminoester emulsion, the poly- ammonia of fluorination
At least one of ester lotion, Kynoar-chlorotrifluoroethylene lotion.
5. the preparation method of the composite catalyst of car gas purification according to claim 2, which is characterized in that the hair
Infusion is selected from 4,4- oxobenzenesulfonyl hydrazide, azodicarbonamide, N, and at least one in N '-dinitrosopentamethlyene tetramines
Kind.
6. the preparation method of the composite catalyst of car gas purification according to claim 2, which is characterized in that in step
(3) in, the power of the microwave reaction is 300~500W, and the frequency of microwave reaction is 1600~2000kHZ.
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| CN110496511A (en) * | 2019-08-30 | 2019-11-26 | 暨南大学 | A kind of in-vehicle air processing method |
| CN110496511B (en) * | 2019-08-30 | 2022-01-11 | 暨南大学 | Method for treating air in vehicle |
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