CN110801834A - 一种汽车尾气净化用催化剂涂层及其制备方法 - Google Patents
一种汽车尾气净化用催化剂涂层及其制备方法 Download PDFInfo
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- CN110801834A CN110801834A CN201911016717.4A CN201911016717A CN110801834A CN 110801834 A CN110801834 A CN 110801834A CN 201911016717 A CN201911016717 A CN 201911016717A CN 110801834 A CN110801834 A CN 110801834A
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- noble metal
- rare earth
- catalyst
- composite oxide
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- 238000000576 coating method Methods 0.000 title claims abstract description 180
- 239000011248 coating agent Substances 0.000 title claims abstract description 177
- 239000003054 catalyst Substances 0.000 title claims abstract description 74
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 90
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 58
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 58
- 239000002131 composite material Substances 0.000 claims abstract description 56
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 38
- 239000000919 ceramic Substances 0.000 claims abstract description 16
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 14
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 14
- 239000011148 porous material Substances 0.000 claims abstract description 12
- 238000000746 purification Methods 0.000 claims abstract description 10
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 44
- 239000006185 dispersion Substances 0.000 claims description 39
- 239000002002 slurry Substances 0.000 claims description 37
- 239000011247 coating layer Substances 0.000 claims description 27
- 238000001035 drying Methods 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 20
- 239000012266 salt solution Substances 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000001179 sorption measurement Methods 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 13
- 229910021641 deionized water Inorganic materials 0.000 claims description 13
- 102220043159 rs587780996 Human genes 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 12
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 7
- 229910052746 lanthanum Inorganic materials 0.000 claims description 7
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 7
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 7
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 7
- 229910052727 yttrium Inorganic materials 0.000 claims description 7
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 7
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 7
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 4
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 28
- 239000007789 gas Substances 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 13
- 239000003344 environmental pollutant Substances 0.000 description 12
- 231100000719 pollutant Toxicity 0.000 description 12
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 10
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 8
- 230000003197 catalytic effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 4
- 239000010970 precious metal Substances 0.000 description 3
- 238000004537 pulping Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002195 synergetic effect 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J35/391—Physical properties of the active metal ingredient
- B01J35/394—Metal dispersion value, e.g. percentage or fraction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
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CN201911016717.4A CN110801834B (zh) | 2019-10-24 | 2019-10-24 | 一种汽车尾气净化用催化剂涂层及其制备方法 |
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CN201911016717.4A CN110801834B (zh) | 2019-10-24 | 2019-10-24 | 一种汽车尾气净化用催化剂涂层及其制备方法 |
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CN110801834B CN110801834B (zh) | 2023-06-23 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112221494A (zh) * | 2020-11-11 | 2021-01-15 | 中自环保科技股份有限公司 | 一种适用于汽油车尾气净化的含Pt催化剂及其制备方法 |
CN114100631A (zh) * | 2021-11-13 | 2022-03-01 | 山东北方三潍环保科技有限公司 | 一种金属纤维多孔材料及其制造方法 |
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JP2003112049A (ja) * | 2001-10-03 | 2003-04-15 | Tokyo Roki Co Ltd | 3層構造型三元触媒 |
CN101161337A (zh) * | 2006-10-13 | 2008-04-16 | 比亚迪股份有限公司 | 一种三元催化剂及其制备方法 |
US20090175773A1 (en) * | 2008-01-08 | 2009-07-09 | Chen Shau-Lin F | Multilayered Catalyst Compositions |
CN101632930A (zh) * | 2008-07-25 | 2010-01-27 | 比亚迪股份有限公司 | 一种汽车尾气净化催化剂及其制备方法 |
CN102580733A (zh) * | 2011-12-15 | 2012-07-18 | 无锡威孚环保催化剂有限公司 | 通用小型汽油机尾气净化单钯催化剂的制备方法 |
DE102012224074A1 (de) * | 2011-12-28 | 2013-07-04 | Honda Motor Co., Ltd. | Abgasreinigungskatalysator |
CN105170149A (zh) * | 2015-11-04 | 2015-12-23 | 浙江达峰汽车技术有限公司 | 一种机动车尾气净化用低贵金属催化剂的制备方法 |
CN108837829A (zh) * | 2018-05-29 | 2018-11-20 | 无锡威孚环保催化剂有限公司 | 一种分层式天然气车用三元催化剂制备方法 |
CN109174077A (zh) * | 2018-10-17 | 2019-01-11 | 安徽菲扬新材料有限公司 | 一种汽车尾气处理催化剂及其制备方法 |
-
2019
- 2019-10-24 CN CN201911016717.4A patent/CN110801834B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003112049A (ja) * | 2001-10-03 | 2003-04-15 | Tokyo Roki Co Ltd | 3層構造型三元触媒 |
CN101161337A (zh) * | 2006-10-13 | 2008-04-16 | 比亚迪股份有限公司 | 一种三元催化剂及其制备方法 |
US20090175773A1 (en) * | 2008-01-08 | 2009-07-09 | Chen Shau-Lin F | Multilayered Catalyst Compositions |
WO2009089151A1 (en) * | 2008-01-08 | 2009-07-16 | Basf Catalysts Llc | Multilayered catalyst composition for three-way catalytic conversion |
CN101632930A (zh) * | 2008-07-25 | 2010-01-27 | 比亚迪股份有限公司 | 一种汽车尾气净化催化剂及其制备方法 |
CN102580733A (zh) * | 2011-12-15 | 2012-07-18 | 无锡威孚环保催化剂有限公司 | 通用小型汽油机尾气净化单钯催化剂的制备方法 |
DE102012224074A1 (de) * | 2011-12-28 | 2013-07-04 | Honda Motor Co., Ltd. | Abgasreinigungskatalysator |
CN105170149A (zh) * | 2015-11-04 | 2015-12-23 | 浙江达峰汽车技术有限公司 | 一种机动车尾气净化用低贵金属催化剂的制备方法 |
CN108837829A (zh) * | 2018-05-29 | 2018-11-20 | 无锡威孚环保催化剂有限公司 | 一种分层式天然气车用三元催化剂制备方法 |
CN109174077A (zh) * | 2018-10-17 | 2019-01-11 | 安徽菲扬新材料有限公司 | 一种汽车尾气处理催化剂及其制备方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112221494A (zh) * | 2020-11-11 | 2021-01-15 | 中自环保科技股份有限公司 | 一种适用于汽油车尾气净化的含Pt催化剂及其制备方法 |
CN112221494B (zh) * | 2020-11-11 | 2023-10-20 | 中自环保科技股份有限公司 | 一种适用于汽油车尾气净化的含Pt催化剂及其制备方法 |
CN114100631A (zh) * | 2021-11-13 | 2022-03-01 | 山东北方三潍环保科技有限公司 | 一种金属纤维多孔材料及其制造方法 |
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Effective date of registration: 20240411 Address after: Room 301, Nankai University Science and Technology Park (Nankai Park), No. 8 Science Research West Road, Nankai District, Tianjin, 300110 Patentee after: Tianjin Shijin New Materials Co.,Ltd. Country or region after: China Address before: 313000 No. 1403 Taihu Avenue, economic development zone, Changxing County, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG DAFENG AUTOMOTIVE TECHNOLOGY Co.,Ltd. Country or region before: China |