CN1190909A - NOx净化催化剂及其使用方法 - Google Patents

NOx净化催化剂及其使用方法 Download PDF

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Publication number
CN1190909A
CN1190909A CN96195467A CN96195467A CN1190909A CN 1190909 A CN1190909 A CN 1190909A CN 96195467 A CN96195467 A CN 96195467A CN 96195467 A CN96195467 A CN 96195467A CN 1190909 A CN1190909 A CN 1190909A
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CN
China
Prior art keywords
sorbent material
nox
composition
metal
catalyst
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Pending
Application number
CN96195467A
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English (en)
Chinese (zh)
Inventor
M·德巴
J·S·菲利
R·J·法劳托
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BASF Catalysts LLC
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Engelhard Corp
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Application filed by Engelhard Corp filed Critical Engelhard Corp
Publication of CN1190909A publication Critical patent/CN1190909A/zh
Pending legal-status Critical Current

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    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • 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
    • B01J23/58—Platinum group metals with alkali- or alkaline earth 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
    • 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
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/91—NOx-storage component incorporated in the catalyst
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/16—Oxygen

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  • 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)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CN96195467A 1995-07-12 1996-03-15 NOx净化催化剂及其使用方法 Pending CN1190909A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/500,657 US5874057A (en) 1995-07-12 1995-07-12 Lean NOx catalyst/trap method
US08/500,657 1995-07-12

Publications (1)

Publication Number Publication Date
CN1190909A true CN1190909A (zh) 1998-08-19

Family

ID=23990379

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96195467A Pending CN1190909A (zh) 1995-07-12 1996-03-15 NOx净化催化剂及其使用方法

Country Status (11)

Country Link
US (1) US5874057A (2)
EP (1) EP0850102A1 (2)
JP (1) JPH11508821A (2)
KR (1) KR19990028887A (2)
CN (1) CN1190909A (2)
AU (1) AU5422696A (2)
BR (1) BR9609750A (2)
CA (1) CA2226412A1 (2)
IN (1) IN189783B (2)
WO (1) WO1997002886A1 (2)
ZA (1) ZA963196B (2)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100526618C (zh) * 2004-03-17 2009-08-12 Gm全球科技运作股份有限公司 用于改进机动车中NOx还原效率的方法
CN101448567B (zh) * 2006-05-16 2012-06-06 罗地亚管理公司 尤其用于捕集氮氧化物(NOx)的基于氧化铝、铈和钡和/或锶的组合物
CN101632928B (zh) * 2009-08-14 2014-10-01 昆明理工大学 火焰燃烧合成法一步制备nsr催化剂
CN108530059A (zh) * 2018-05-02 2018-09-14 武汉理工大学 一种高击穿强度脉冲功率电容器陶瓷材料及其制备方法

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JP7682799B2 (ja) 2019-03-20 2025-05-26 ビーエーエスエフ モバイル エミッションズ カタリスツ エルエルシー 調整可能なＮＯｘ吸着剤
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100526618C (zh) * 2004-03-17 2009-08-12 Gm全球科技运作股份有限公司 用于改进机动车中NOx还原效率的方法
CN101448567B (zh) * 2006-05-16 2012-06-06 罗地亚管理公司 尤其用于捕集氮氧化物(NOx)的基于氧化铝、铈和钡和/或锶的组合物
CN101632928B (zh) * 2009-08-14 2014-10-01 昆明理工大学 火焰燃烧合成法一步制备nsr催化剂
CN108530059A (zh) * 2018-05-02 2018-09-14 武汉理工大学 一种高击穿强度脉冲功率电容器陶瓷材料及其制备方法

Also Published As

Publication number Publication date
MX9800300A (es) 1998-07-31
CA2226412A1 (en) 1997-01-30
AU5422696A (en) 1997-02-10
BR9609750A (pt) 1999-03-30
ZA963196B (en) 1996-11-04
KR19990028887A (ko) 1999-04-15
US5874057A (en) 1999-02-23
EP0850102A1 (en) 1998-07-01
WO1997002886A1 (en) 1997-01-30
IN189783B (2) 2003-04-19
JPH11508821A (ja) 1999-08-03

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