CN113713838A - 一种柴油车用整体式氧化型催化剂的制备方法 - Google Patents
一种柴油车用整体式氧化型催化剂的制备方法 Download PDFInfo
- Publication number
- CN113713838A CN113713838A CN202111297039.0A CN202111297039A CN113713838A CN 113713838 A CN113713838 A CN 113713838A CN 202111297039 A CN202111297039 A CN 202111297039A CN 113713838 A CN113713838 A CN 113713838A
- Authority
- CN
- China
- Prior art keywords
- metal salt
- catalyst
- soluble
- solution
- carrier
- 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 45
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 238000007254 oxidation reaction Methods 0.000 title description 16
- 230000003647 oxidation Effects 0.000 title description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 14
- 150000001450 anions Chemical class 0.000 claims abstract description 7
- 229910001868 water Inorganic materials 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 4
- 239000013078 crystal Substances 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 230000001590 oxidative effect Effects 0.000 claims abstract 2
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 23
- 150000003839 salts Chemical class 0.000 claims description 18
- 229910000510 noble metal Inorganic materials 0.000 claims description 17
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 11
- 239000004202 carbamide Substances 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229910052878 cordierite Inorganic materials 0.000 claims description 7
- 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 group [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 description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 229910002651 NO3 Inorganic materials 0.000 claims description 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(II) nitrate Inorganic materials [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 229910002621 H2PtCl6 Inorganic materials 0.000 claims description 2
- 229910003244 Na2PdCl4 Inorganic materials 0.000 claims description 2
- 229910002666 PdCl2 Inorganic materials 0.000 claims description 2
- 229910019032 PtCl2 Inorganic materials 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 claims description 2
- 229910002093 potassium tetrachloropalladate(II) Inorganic materials 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 2
- 239000004480 active ingredient Substances 0.000 claims 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 abstract description 15
- 229910001701 hydrotalcite Inorganic materials 0.000 abstract description 15
- 229960001545 hydrotalcite Drugs 0.000 abstract description 15
- 238000011065 in-situ storage Methods 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 238000007598 dipping method Methods 0.000 abstract description 3
- 239000002243 precursor Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005580 one pot reaction Methods 0.000 abstract description 2
- 239000002283 diesel fuel Substances 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 description 9
- 239000011148 porous material Substances 0.000 description 7
- 229910002554 Fe(NO3)3·9H2O Inorganic materials 0.000 description 5
- 230000032683 aging Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 238000001354 calcination Methods 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 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
- 230000006870 function Effects 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
Images
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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
- B01J27/232—Carbonates
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8913—Cobalt and noble metals
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
- B01J27/25—Nitrates
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
-
- 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
- B01J37/0201—Impregnation
-
- 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
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/088—Decomposition of a metal salt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
-
- 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
-
- 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)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111297039.0A CN113713838B (zh) | 2021-11-04 | 2021-11-04 | 一种柴油车用整体式氧化型催化剂的制备方法 |
PCT/CN2022/113799 WO2023077916A1 (zh) | 2021-11-04 | 2022-08-21 | 一种柴油车用整体式氧化型催化剂的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111297039.0A CN113713838B (zh) | 2021-11-04 | 2021-11-04 | 一种柴油车用整体式氧化型催化剂的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113713838A true CN113713838A (zh) | 2021-11-30 |
CN113713838B CN113713838B (zh) | 2022-01-04 |
Family
ID=78686659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111297039.0A Active CN113713838B (zh) | 2021-11-04 | 2021-11-04 | 一种柴油车用整体式氧化型催化剂的制备方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN113713838B (zh) |
WO (1) | WO2023077916A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114534776A (zh) * | 2022-01-19 | 2022-05-27 | 中自环保科技股份有限公司 | 一种抗硫柴油车氧化型催化剂及制备方法 |
CN114887649A (zh) * | 2022-07-14 | 2022-08-12 | 中国汽车技术研究中心有限公司 | 一种免涂覆整体式废气净化催化剂及其制备方法 |
WO2023077916A1 (zh) * | 2021-11-04 | 2023-05-11 | 中汽研汽车检验中心(天津)有限公司 | 一种柴油车用整体式氧化型催化剂的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870158A2 (en) * | 2006-06-23 | 2007-12-26 | Heesung Engelhard Corporation | Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction. |
KR100827788B1 (ko) * | 2006-11-29 | 2008-05-07 | 희성촉매 주식회사 | 하이드로탈사이트-제올라이트 복합체 및 이를 이용한 질소산화물 흡장형 촉매 |
CN101249437A (zh) * | 2008-03-21 | 2008-08-27 | 无锡威孚环保催化剂有限公司 | 掺杂金属的镁铝复合氧化物的三元催化剂及其制备方法 |
CN109499568A (zh) * | 2018-12-31 | 2019-03-22 | 天津大学 | 基于铁改性水滑石衍生氧化物的柴油车尾气净化催化剂及其制备方法 |
CN112058264A (zh) * | 2020-09-17 | 2020-12-11 | 沈阳师范大学 | 花瓣状铜铝类水滑石载体及负载型纳米铂催化剂的制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101352682B (zh) * | 2008-09-09 | 2012-02-08 | 清华大学 | 一种柴油车用前置氧化催化剂制备方法 |
CN102188971B (zh) * | 2011-03-31 | 2013-07-17 | 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 |
CN104588034A (zh) * | 2014-12-17 | 2015-05-06 | 北京化工大学 | 一种石墨烯基负载贵金属材料及其制备方法 |
US10821422B2 (en) * | 2015-11-17 | 2020-11-03 | University Of Kansas | Methods of forming and using metal alloy oxidative catalysts |
CN113713838B (zh) * | 2021-11-04 | 2022-01-04 | 中汽研(天津)汽车工程研究院有限公司 | 一种柴油车用整体式氧化型催化剂的制备方法 |
-
2021
- 2021-11-04 CN CN202111297039.0A patent/CN113713838B/zh active Active
-
2022
- 2022-08-21 WO PCT/CN2022/113799 patent/WO2023077916A1/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870158A2 (en) * | 2006-06-23 | 2007-12-26 | Heesung Engelhard Corporation | Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction. |
KR100827788B1 (ko) * | 2006-11-29 | 2008-05-07 | 희성촉매 주식회사 | 하이드로탈사이트-제올라이트 복합체 및 이를 이용한 질소산화물 흡장형 촉매 |
CN101249437A (zh) * | 2008-03-21 | 2008-08-27 | 无锡威孚环保催化剂有限公司 | 掺杂金属的镁铝复合氧化物的三元催化剂及其制备方法 |
CN109499568A (zh) * | 2018-12-31 | 2019-03-22 | 天津大学 | 基于铁改性水滑石衍生氧化物的柴油车尾气净化催化剂及其制备方法 |
CN112058264A (zh) * | 2020-09-17 | 2020-12-11 | 沈阳师范大学 | 花瓣状铜铝类水滑石载体及负载型纳米铂催化剂的制备方法 |
Non-Patent Citations (2)
Title |
---|
NAOKI TARUTANI ETA.: "Layered double hydroxide composite monoliths with three-dimensional hierarchical channels:structural control and adsorption behavior", 《RSC ADVANCES》 * |
陈科等: "铁改性水滑石基Pt /BaO/MgFeO 催化剂焙烧温度对催化剂结构及NOx吸附-还原性能的影响", 《燃料化学学报》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023077916A1 (zh) * | 2021-11-04 | 2023-05-11 | 中汽研汽车检验中心(天津)有限公司 | 一种柴油车用整体式氧化型催化剂的制备方法 |
CN114534776A (zh) * | 2022-01-19 | 2022-05-27 | 中自环保科技股份有限公司 | 一种抗硫柴油车氧化型催化剂及制备方法 |
CN114534776B (zh) * | 2022-01-19 | 2023-03-21 | 中自环保科技股份有限公司 | 一种抗硫柴油车氧化型催化剂及制备方法 |
CN114887649A (zh) * | 2022-07-14 | 2022-08-12 | 中国汽车技术研究中心有限公司 | 一种免涂覆整体式废气净化催化剂及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN113713838B (zh) | 2022-01-04 |
WO2023077916A1 (zh) | 2023-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113713838B (zh) | 一种柴油车用整体式氧化型催化剂的制备方法 | |
US10934918B1 (en) | Combined urea hydrolysis and selective catalytic reduction for emissions control | |
CN106268787A (zh) | 一种钐掺杂MnOx低温SCR催化剂及其制备方法和应用 | |
WO2009094891A1 (fr) | Catalyseur au cu-ce-al permettant d'enlever des particules de suie et du nox simultanément, et procédé de préparation associé | |
CN113941325B (zh) | 一种特定价态的贵金属催化剂及其制备方法和应用 | |
JP2011045840A (ja) | 触媒組成物 | |
US11007514B2 (en) | Ammonia facilitated cation loading of zeolite catalysts | |
CN106492812A (zh) | 一种介孔CexFe1‑xO2固溶体催化剂的制备方法 | |
CN106732521A (zh) | 一种高性能铈锆固溶体材料的制备方法 | |
CN112958075A (zh) | 一种Ce掺杂钠锰复合氧化物催化剂及其制备方法和应用 | |
CN113522232B (zh) | 一种被动式NOx吸附剂及其制备方法和应用 | |
CN107185555B (zh) | 一种铜掺杂的硫化铈基纳米晶脱硝催化剂的制备方法 | |
CN113262780A (zh) | 高活性和高稳定性的锰基碳烟催化剂及其制备方法和应用 | |
CN117299147A (zh) | 一种用于催化氧化丙烷气体的高熵氧化物材料制备方法 | |
US20240207825A1 (en) | Supported copper-based single-atom catalyst and preparation method and use thereof | |
CN115318303B (zh) | 一种低温去除柴油车碳烟颗粒的催化剂及其制备方法 | |
CN114733514B (zh) | 一种含不同形貌隐钾锰矿型钾锰复合氧化物的整体式催化剂及其制备方法、应用 | |
CN114797893B (zh) | 一种氨氧化催化剂及其制备方法和应用 | |
CN114433195B (zh) | 一种具有高抗碱的hzsm-5基分子筛脱硝催化剂及其制备方法和应用 | |
CN112316934B (zh) | 一种烧绿石复合氧化物碳烟消除催化剂及制备方法和应用 | |
CN115608356A (zh) | 用于废气处理应用的阴离子pgm羧酸盐辅助的pgm纳米颗粒合成 | |
CN105854892A (zh) | 多孔棒状尖晶石结构催化剂的制备方法 | |
CN112844383B (zh) | 一种金修饰锰基氧化物催化剂及其制备和应用 | |
CN114471537B (zh) | 一种镧锰复合氧化物催化剂的制备方法 | |
CN116550319B (zh) | 一种用于碳烟颗粒燃烧消除的催化剂及制备方法和应用 |
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: 20220819 Address after: Room 526, main building, No. 68, Xianfeng East Road, Dongli District, Tianjin Patentee after: CATARC AUTOMOTIVE TEST CENTER (TIANJIN) Co.,Ltd. Patentee after: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER Co.,Ltd. Address before: 300457 unit 402-4, building 6, West Financial Street, No. 52, Xincheng West Road, economic and Technological Development Zone, Binhai New Area, Tianjin Patentee before: CATARC (TIANJIN) AUTOMOTIVE ENGINEERING RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER Co.,Ltd. |