CN111939905A - 一种汽车尾气用的催化剂的制备方法及其产品和应用 - Google Patents
一种汽车尾气用的催化剂的制备方法及其产品和应用 Download PDFInfo
- Publication number
- CN111939905A CN111939905A CN202010867041.6A CN202010867041A CN111939905A CN 111939905 A CN111939905 A CN 111939905A CN 202010867041 A CN202010867041 A CN 202010867041A CN 111939905 A CN111939905 A CN 111939905A
- Authority
- CN
- China
- Prior art keywords
- drying
- roasting
- catalyst
- coating
- carried out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 37
- 238000000576 coating method Methods 0.000 claims abstract description 37
- 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 32
- 229910001954 samarium oxide Inorganic materials 0.000 claims abstract description 28
- 229940075630 samarium oxide Drugs 0.000 claims abstract description 28
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 claims abstract description 27
- -1 yttrium oxide modified cerium-zirconium Chemical class 0.000 claims abstract description 27
- 239000006104 solid solution Substances 0.000 claims abstract description 26
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 23
- 239000010948 rhodium Substances 0.000 claims abstract description 23
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 20
- 238000011068 loading method Methods 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims abstract description 8
- 229910052878 cordierite Inorganic materials 0.000 claims abstract description 8
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims description 81
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 44
- 239000000047 product Substances 0.000 claims description 32
- 239000002002 slurry Substances 0.000 claims description 28
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 14
- 239000004202 carbamide Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 13
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 12
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 12
- 239000001099 ammonium carbonate Substances 0.000 claims description 12
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 12
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 12
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 12
- 239000011259 mixed solution Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 239000012266 salt solution Substances 0.000 claims description 12
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 11
- 230000032683 aging Effects 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 229910052727 yttrium Inorganic materials 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 7
- 229910001868 water Inorganic materials 0.000 claims description 7
- NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000012065 filter cake Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 6
- 150000002940 palladium Chemical class 0.000 claims description 6
- 150000003283 rhodium Chemical class 0.000 claims description 6
- YZDZYSPAJSPJQJ-UHFFFAOYSA-N samarium(3+);trinitrate Chemical compound [Sm+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YZDZYSPAJSPJQJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000000967 suction filtration Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 2
- BYEDQPGWBSIRBS-UHFFFAOYSA-N [O--].[O--].[O--].[Y+3].[Sm+3] Chemical compound [O--].[O--].[O--].[Y+3].[Sm+3] BYEDQPGWBSIRBS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 abstract description 11
- 239000011777 magnesium Substances 0.000 abstract description 11
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 7
- 229910000510 noble metal Inorganic materials 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 230000003197 catalytic effect Effects 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 8
- 150000002430 hydrocarbons Chemical class 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000010970 precious metal Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910052772 Samarium Inorganic materials 0.000 description 2
- RCFVMJKOEJFGTM-UHFFFAOYSA-N cerium zirconium Chemical class [Zr].[Ce] RCFVMJKOEJFGTM-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000010757 Reduction Activity Effects 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
-
- 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
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010867041.6A CN111939905B (zh) | 2020-08-26 | 2020-08-26 | 一种汽车尾气用的催化剂的制备方法及其产品和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010867041.6A CN111939905B (zh) | 2020-08-26 | 2020-08-26 | 一种汽车尾气用的催化剂的制备方法及其产品和应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111939905A true CN111939905A (zh) | 2020-11-17 |
CN111939905B CN111939905B (zh) | 2021-05-07 |
Family
ID=73366553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010867041.6A Active CN111939905B (zh) | 2020-08-26 | 2020-08-26 | 一种汽车尾气用的催化剂的制备方法及其产品和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111939905B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114029053A (zh) * | 2021-11-22 | 2022-02-11 | 中国科学院大连化学物理研究所 | 一种负载型催化剂的制备方法及其在乙二醇制备乙醇酸甲酯中的应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4274981A (en) * | 1979-07-06 | 1981-06-23 | Toyota Jidosha Kogyo Kabushiki Kaisha | Catalyst for purifying exhaust gas and the process for manufacturing thereof |
CN101081362A (zh) * | 2006-05-31 | 2007-12-05 | 中国石油化工股份有限公司 | 一种含镁铝复合物的载体及其制备方法 |
CN101224424A (zh) * | 2008-02-04 | 2008-07-23 | 北京英泰世纪环境科技有限公司 | 一种双层贵金属活性组份催化剂及其制备方法 |
CN102188971A (zh) * | 2011-03-31 | 2011-09-21 | 济南大学 | 一种柴油车尾气四效催化剂及其制备方法和应用 |
CN105688905A (zh) * | 2016-04-27 | 2016-06-22 | 柳州申通汽车科技有限公司 | 汽车尾气催化剂的制备工艺 |
CN110841623A (zh) * | 2019-10-12 | 2020-02-28 | 山东国瓷功能材料股份有限公司 | 一种高温结构稳定的铈锆复合氧化物及其制备方法 |
-
2020
- 2020-08-26 CN CN202010867041.6A patent/CN111939905B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4274981A (en) * | 1979-07-06 | 1981-06-23 | Toyota Jidosha Kogyo Kabushiki Kaisha | Catalyst for purifying exhaust gas and the process for manufacturing thereof |
CN101081362A (zh) * | 2006-05-31 | 2007-12-05 | 中国石油化工股份有限公司 | 一种含镁铝复合物的载体及其制备方法 |
CN101224424A (zh) * | 2008-02-04 | 2008-07-23 | 北京英泰世纪环境科技有限公司 | 一种双层贵金属活性组份催化剂及其制备方法 |
CN102188971A (zh) * | 2011-03-31 | 2011-09-21 | 济南大学 | 一种柴油车尾气四效催化剂及其制备方法和应用 |
CN105688905A (zh) * | 2016-04-27 | 2016-06-22 | 柳州申通汽车科技有限公司 | 汽车尾气催化剂的制备工艺 |
CN110841623A (zh) * | 2019-10-12 | 2020-02-28 | 山东国瓷功能材料股份有限公司 | 一种高温结构稳定的铈锆复合氧化物及其制备方法 |
Non-Patent Citations (1)
Title |
---|
刘希尧: ""氧化铝基表层镁铝尖晶石的研究III.Pd/MgAl204-Y-Al203上NO的吸附态及其与CO的反应"", 《催化学报》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114029053A (zh) * | 2021-11-22 | 2022-02-11 | 中国科学院大连化学物理研究所 | 一种负载型催化剂的制备方法及其在乙二醇制备乙醇酸甲酯中的应用 |
Also Published As
Publication number | Publication date |
---|---|
CN111939905B (zh) | 2021-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4959129B2 (ja) | 排ガス浄化用触媒 | |
CN101239313B (zh) | 同时脱除碳烟颗粒和氮氧化物的铜铈铝催化剂及制备方法 | |
AU2008361642B2 (en) | A prepositive oxidation catalyst for diesel vehicles and its preparation method | |
CN112058261B (zh) | 一种整体式柴油尾气氧化催化剂、制备方法和应用 | |
JP2001524030A (ja) | 排ガス浄化用の金含有触媒 | |
CN111054374A (zh) | Pta氧化尾气的催化燃烧催化剂及其用途 | |
US20240066505A1 (en) | Noble metal single atom supported three-way catalyst and preparation method therefor and use thereof | |
WO2023284304A1 (zh) | 锰基复合氧化物催化剂及其制备方法和用途 | |
JP3144880B2 (ja) | 低温活性に優れた三元触媒の製造方法 | |
CN111939905B (zh) | 一种汽车尾气用的催化剂的制备方法及其产品和应用 | |
JP2578219B2 (ja) | 排ガス浄化用触媒の製造方法 | |
CN111939904A (zh) | 处理工业废气中苯类物质的催化材料、催化剂以及制备方法 | |
WO2013132895A1 (ja) | 酸化触媒及びそれを用いた排ガス浄化方法 | |
CN111957312A (zh) | 机动车尾气用催化剂及制备方法和用途 | |
CN110694621A (zh) | 一种三效催化剂及其制备方法和应用 | |
WO2012160437A1 (en) | Exhaust gas control system, exhaust gas purification catalyst and method for the production of exhaust gas purification catalyst | |
JP3251009B2 (ja) | 排気ガス浄化用触媒 | |
CN112246251B (zh) | 一种天然气汽车尾气净化催化剂及其制备方法 | |
CN112316961B (zh) | 一种汽车尾气处理催化剂及其制备方法 | |
JP2001058130A (ja) | 窒素酸化物分解用触媒 | |
JP3417702B2 (ja) | 窒素酸化物吸蔵組成物及び排気ガス浄化方法 | |
CN111921540B (zh) | 一种汽车尾气用的三效催化剂的制备方法及其产品和应用 | |
CN113181929A (zh) | 一种复合催化剂及其制备方法和应用 | |
JPH04210241A (ja) | 排気ガス浄化触媒 | |
CN114682256B (zh) | 一种机动车尾气净化用单原子三效催化剂及制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230801 Address after: Building A7, 7th Floor, Jiangsu Smart City Underground Space Industrial Park, No. 12 Xinglong Road, Jiangbei New District, Nanjing, Jiangsu Province, 210000 Patentee after: Jiangsu Zhijia Energy Technology Co.,Ltd. Address before: 230000 Woye Garden Commercial Building B-1017, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee before: HEFEI JINGLONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Effective date of registration: 20230801 Address after: 230000 Woye Garden Commercial Building B-1017, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee after: HEFEI JINGLONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: No. 1015, Fenglin Third Road, Yuelu District, Changsha City, Hunan Province 410000 Patentee before: HUNAN FIRST NORMAL University |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: Building A7, 7th Floor, Jiangsu Smart City Underground Space Industrial Park, No. 12 Xinglong Road, Jiangbei New District, Nanjing, Jiangsu Province, 210000 Patentee after: Jiangsu Zhijia Environmental Protection Technology Co.,Ltd. Address before: Building A7, 7th Floor, Jiangsu Smart City Underground Space Industrial Park, No. 12 Xinglong Road, Jiangbei New District, Nanjing, Jiangsu Province, 210000 Patentee before: Jiangsu Zhijia Energy Technology Co.,Ltd. |