CN117615845A - 废气净化用氧化催化剂 - Google Patents

废气净化用氧化催化剂 Download PDF

Info

Publication number
CN117615845A
CN117615845A CN202280044871.6A CN202280044871A CN117615845A CN 117615845 A CN117615845 A CN 117615845A CN 202280044871 A CN202280044871 A CN 202280044871A CN 117615845 A CN117615845 A CN 117615845A
Authority
CN
China
Prior art keywords
catalyst
exhaust gas
particle
particles
gas purification
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.)
Pending
Application number
CN202280044871.6A
Other languages
English (en)
Chinese (zh)
Inventor
长久保准基
伴野靖幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NE Chemcat Corp
Original Assignee
NE Chemcat Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NE Chemcat Corp filed Critical NE Chemcat Corp
Publication of CN117615845A publication Critical patent/CN117615845A/zh
Pending legal-status Critical Current

Links

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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44—Palladium
    • 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
    • B01J35/19—Catalysts containing parts with different compositions
    • 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
    • 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
    • B01J37/0248—Coatings comprising impregnated particles
    • 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)
  • 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)
CN202280044871.6A 2021-06-28 2022-06-21 废气净化用氧化催化剂 Pending CN117615845A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-107081 2021-06-28
JP2021107081 2021-06-28
PCT/JP2022/024770 WO2023276793A1 (ja) 2021-06-28 2022-06-21 排ガス浄化用酸化触媒

Publications (1)

Publication Number Publication Date
CN117615845A true CN117615845A (zh) 2024-02-27

Family

ID=84691786

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280044871.6A Pending CN117615845A (zh) 2021-06-28 2022-06-21 废气净化用氧化催化剂

Country Status (4)

Country Link
EP (1) EP4364841A4 (https=)
JP (1) JPWO2023276793A1 (https=)
CN (1) CN117615845A (https=)
WO (1) WO2023276793A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102355951A (zh) * 2009-01-16 2012-02-15 巴斯夫公司 层状柴油机氧化催化剂复合材料
CN104364011A (zh) * 2012-06-28 2015-02-18 恩亿凯嘉股份有限公司 废气净化用催化剂组合物以及汽车用废气净化用催化剂
CN108136373A (zh) * 2015-07-30 2018-06-08 巴斯夫公司 柴油机氧化催化剂
CN109715289A (zh) * 2016-11-11 2019-05-03 N.E.化学株式会社 废气净化用三元催化剂及其制造方法、以及废气净化用催化转化器
CN111971121A (zh) * 2018-04-23 2020-11-20 巴斯夫公司 用于处理柴油发动机废气的选择性催化还原催化剂

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902487A (en) 1988-05-13 1990-02-20 Johnson Matthey, Inc. Treatment of diesel exhaust gases
IT1266889B1 (it) 1994-07-22 1997-01-21 Fiat Ricerche Metodo di autoinnesco della rigenerazione in un filtro particolato per un motore diesel con sistema d'iniezione a collettore comune.
AU2002359924A1 (en) * 2001-12-28 2003-07-24 Valtion Teknillinen Tutkimuskeskus Process for catalytic reduction of nitrogen oxides and catalyst therefor
CA2976083A1 (en) 2015-02-09 2016-08-18 Basf Corporation Diesel oxidation catalyst
WO2018025827A1 (ja) * 2016-08-04 2018-02-08 エヌ・イーケムキャット株式会社 コールドスタート対応尿素ｓｃｒシステム
JP6769839B2 (ja) * 2016-11-11 2020-10-14 エヌ・イーケムキャット株式会社 排ガス浄化用三元触媒及びその製造方法、並びに排ガス浄化用触媒コンバータ
JP6748590B2 (ja) * 2017-03-02 2020-09-02 エヌ・イーケムキャット株式会社 排ガス浄化用触媒

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102355951A (zh) * 2009-01-16 2012-02-15 巴斯夫公司 层状柴油机氧化催化剂复合材料
CN104364011A (zh) * 2012-06-28 2015-02-18 恩亿凯嘉股份有限公司 废气净化用催化剂组合物以及汽车用废气净化用催化剂
CN108136373A (zh) * 2015-07-30 2018-06-08 巴斯夫公司 柴油机氧化催化剂
CN109715289A (zh) * 2016-11-11 2019-05-03 N.E.化学株式会社 废气净化用三元催化剂及其制造方法、以及废气净化用催化转化器
CN111971121A (zh) * 2018-04-23 2020-11-20 巴斯夫公司 用于处理柴油发动机废气的选择性催化还原催化剂

Also Published As

Publication number Publication date
EP4364841A1 (en) 2024-05-08
WO2023276793A1 (ja) 2023-01-05
EP4364841A4 (en) 2025-05-14
JPWO2023276793A1 (https=) 2023-01-05

Similar Documents

Publication Publication Date Title
EP2307122B1 (en) Nox storage materials and traps resistant to thermal aging
KR20160019490A (ko) 배출물 조절 촉매에 대한 통합 지지체
JP7078521B2 (ja) 排ガス浄化用触媒
CN103459017A (zh) 废气净化用氧化催化剂、其制备方法以及使用该催化剂的废气净化方法
JP7173707B2 (ja) 排ガス浄化用触媒
JPWO2016163488A1 (ja) 内燃機関排気ガスの浄化触媒及び該触媒を用いた排気ガス浄化方法
JP5876475B2 (ja) Ｒｈ負荷が低減されたＮＯｘ貯蔵触媒
US11149603B2 (en) Exhaust gas purification catalyst and exhaust gas purification method using the same
US11141713B2 (en) Exhaust gas purification catalyst and exhaust gas purification method using the same
JP2024532052A (ja) 改善された三元触媒のための遷移金属を組み込んだアルミナ
JP7711046B2 (ja) ディーゼル酸化触媒
JP7123698B2 (ja) 排ガス浄化用触媒
JP2019150781A (ja) 排ガス処理部材
JPH0578378B2 (https=)
CN117615845A (zh) 废气净化用氧化催化剂
JP7226943B2 (ja) 排ガス浄化用触媒
US11143072B2 (en) Exhaust gas purification catalyst and exhaust gas purification method using the same
JP7751633B2 (ja) 排ガス浄化用触媒
WO2022209154A1 (ja) 排ガス浄化用触媒及び排ガス浄化システム
JP2025501568A (ja) ロジウム非含有ｔｗｃ触媒物品
JP2025150257A (ja) 排ガス浄化用触媒
WO2026014237A1 (ja) 排気ガス浄化用触媒、その製造方法および当該排気ガス浄化用触媒を用いた排気ガス浄化方法
JPH0573465B2 (https=)
CN119317484A (zh) 包含铂、钯和铑的分区的三效转化催化剂

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