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ATE126719T1 - Katalysator und katalytische reduktion. - Google Patents

Katalysator und katalytische reduktion.

Info

Publication number
ATE126719T1
ATE126719T1 AT92915772T AT92915772T ATE126719T1 AT E126719 T1 ATE126719 T1 AT E126719T1 AT 92915772 T AT92915772 T AT 92915772T AT 92915772 T AT92915772 T AT 92915772T AT E126719 T1 ATE126719 T1 AT E126719T1
Authority
AT
Austria
Prior art keywords
pct
catalyst
titania
sec
catalytic reduction
Prior art date
Application number
AT92915772T
Other languages
English (en)
Inventor
Freek Kapteijn
Lydia Singoredjo
Original Assignee
British Tech Group
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 British Tech Group filed Critical British Tech Group
Application granted granted Critical
Publication of ATE126719T1 publication Critical patent/ATE126719T1/de

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
    • 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
    • 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
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/30—Tungsten
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
AT92915772T 1991-07-29 1992-07-17 Katalysator und katalytische reduktion. ATE126719T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91306928 1991-07-29

Publications (1)

Publication Number Publication Date
ATE126719T1 true ATE126719T1 (de) 1995-09-15

Family

ID=8208359

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92915772T ATE126719T1 (de) 1991-07-29 1992-07-17 Katalysator und katalytische reduktion.

Country Status (9)

Country Link
US (1) US5476828A (de)
JP (1) JPH06509273A (de)
AT (1) ATE126719T1 (de)
AU (1) AU2341292A (de)
CA (1) CA2112695A1 (de)
DE (1) DE69204291T2 (de)
GB (1) GB2272172B (de)
HU (1) HUT68783A (de)
ZA (1) ZA925375B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380341B1 (de) * 2001-03-29 2008-02-06 Idemitsu Kosan Co., Ltd. Katalytisches verfahren zum reformieren von kohlenwasserstoff unter verwendung des katalysators
US7037875B2 (en) * 2003-04-04 2006-05-02 Engelhard Corporation Catalyst support
WO2005070542A1 (en) * 2004-01-20 2005-08-04 Shell Internationale Research Maatschappij B.V. A method of restoring catalytic activity of a spent hydrotreating catalyst, the resulting restored catalyst, and a method of hydroprocessing
KR101211600B1 (ko) * 2010-11-19 2012-12-12 한국과학기술연구원 산화망간-티타니아 촉매의 제조장치 및 제조방법
CN110869125B (zh) 2017-06-09 2023-08-18 巴斯夫公司 催化制品和废气处理系统
WO2018224651A2 (en) 2017-06-09 2018-12-13 Basf Se Catalytic article and exhaust gas treatment systems
EP3694632A4 (de) 2017-10-12 2021-07-14 BASF Corporation Kombinierter nox-absorber und scr-katalysator
BR112020009175A2 (pt) 2017-11-10 2020-11-03 Basf Corporation sistema para tratamento de uma corrente de gás, filtro de fuligem catalisado (csf) e método para reduzir hcs, co e nox
KR102743005B1 (ko) 2018-02-19 2024-12-16 바스프 모바일 에미션스 카탈리스츠 엘엘씨 업스트림 scr 촉매를 갖는 배기 가스 처리 시스템
EP4288186A1 (de) 2021-02-02 2023-12-13 BASF Corporation Abgasbehandlungssystem zur reduzierung von ammoniakemissionen aus mobilen benzinanwendungen
WO2024133298A1 (en) 2022-12-21 2024-06-27 Basf Corporation Ammonia oxidation catalyst with zoned scr inlet and pgm outlet for gasoline applications
CN116510510B (zh) * 2023-06-11 2023-09-26 连云港中星能源有限公司 一种基于电加热辅助的高效节能型脱硝工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB279172A (en) * 1926-07-22 1927-10-24 Paul Stancliff Mccann Improvements in loaded conductors
US4003854A (en) * 1974-06-03 1977-01-18 Gennady Alexeevich Skvortsov Catalyst of supported vanadium oxide and manganese oxide and method of producing same
JPS5920383B2 (ja) * 1977-06-08 1984-05-12 呉羽化学工業株式会社 低温で活性の高いＮＯｘ還元用触媒
JPS56166943A (en) * 1980-05-27 1981-12-22 Babcock Hitachi Kk Preparation of catalyst for removing nitrogen oxides
GB8524544D0 (en) * 1985-10-04 1985-11-06 Shell Int Research Poly-metal containing catalyst
DE3778611D1 (de) * 1986-07-25 1992-06-04 Mitsubishi Petrochemical Co Methode, stickoxide in abgasen zu entsticken.
GB8619536D0 (en) * 1986-08-11 1986-09-24 Shell Int Research Bimetallic catalyst
US4966882A (en) * 1987-06-05 1990-10-30 Babcock-Hitachi Kabushiki Kaisha Catalyst for denitration by catalytic reduction using ammonia and a process for producing the same

Also Published As

Publication number Publication date
HU9400254D0 (en) 1994-05-30
GB9326160D0 (en) 1994-03-16
GB2272172B (en) 1995-11-29
US5476828A (en) 1995-12-19
CA2112695A1 (en) 1993-01-30
DE69204291D1 (de) 1995-09-28
DE69204291T2 (de) 1996-04-11
ZA925375B (en) 1993-04-28
GB2272172A (en) 1994-05-11
HUT68783A (en) 1995-05-17
JPH06509273A (ja) 1994-10-20
AU2341292A (en) 1993-03-02

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