ZA925375B - Catalyst and catalytic reduction - Google Patents

Catalyst and catalytic reduction

Info

Publication number
ZA925375B
ZA925375B ZA925375A ZA925375A ZA925375B ZA 925375 B ZA925375 B ZA 925375B ZA 925375 A ZA925375 A ZA 925375A ZA 925375 A ZA925375 A ZA 925375A ZA 925375 B ZA925375 B ZA 925375B
Authority
ZA
South Africa
Prior art keywords
pct
catalyst
titania
sec
catalytic reduction
Prior art date
Application number
ZA925375A
Other languages
English (en)
Inventor
Freek Kapteijn
Kapteijn Freek
Lydia Singoredjo
Singoredjo Lydia
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
Publication of ZA925375B publication Critical patent/ZA925375B/xx

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)
  • Materials Engineering (AREA)
  • Organic Chemistry (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)
ZA925375A 1991-07-29 1992-07-17 Catalyst and catalytic reduction ZA925375B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA925375B true ZA925375B (en) 1993-04-28

Family

ID=8208359

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA925375A ZA925375B (en) 1991-07-29 1992-07-17 Catalyst and catalytic reduction

Country Status (9)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4409833B2 (ja) * 2001-03-29 2010-02-03 出光興産株式会社 炭化水素の改質触媒及びその製造方法、並びに該触媒を用いた炭化水素の改質方法
US7037875B2 (en) * 2003-04-04 2006-05-02 Engelhard Corporation Catalyst support
KR20060129390A (ko) * 2004-01-20 2006-12-15 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 소모된 수소처리 촉매의 촉매 활성을 복원하는 방법, 그결과 복원된 촉매 및 수소처리 방법
KR101211600B1 (ko) * 2010-11-19 2012-12-12 한국과학기술연구원 산화망간-티타니아 촉매의 제조장치 및 제조방법
WO2018224651A2 (fr) 2017-06-09 2018-12-13 Basf Se Article catalytique et systèmes de traitement de gaz d'échappement
KR102698126B1 (ko) 2017-06-09 2024-08-27 바스프 코포레이션 촉매 물품 및 배기가스 처리 시스템
WO2019073453A2 (fr) 2017-10-12 2019-04-18 Basf Corporation Absorbeur de nox et catalyseur scr combinés
CA3081933A1 (fr) 2017-11-10 2019-05-16 Basf Corporation Filtre a suie catalyse a oxydation d'ammoniac reduite
CN111742121B (zh) 2018-02-19 2022-08-16 巴斯夫公司 具有上游scr催化剂的排气处理系统
EP4288186A1 (fr) 2021-02-02 2023-12-13 BASF Corporation Système de traitement de gaz d'échappement pour réduire les émissions d'ammoniac provenant d'applications d'essence mobile
WO2024133298A1 (fr) 2022-12-21 2024-06-27 Basf Corporation Catalyseur d'oxydation d'ammoniac avec entrée scr zonée et sortie de pgm pour applications d'essence
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
EP0257307B1 (fr) * 1986-07-25 1992-04-29 Sakai Chemical Industry Co., Ltd., Méthode de dénitration des oxydes d'azote dans des gaz d'échappement
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
AU2341292A (en) 1993-03-02
ATE126719T1 (de) 1995-09-15
GB9326160D0 (en) 1994-03-16
US5476828A (en) 1995-12-19
GB2272172A (en) 1994-05-11
JPH06509273A (ja) 1994-10-20
DE69204291T2 (de) 1996-04-11
HU9400254D0 (en) 1994-05-30
CA2112695A1 (fr) 1993-01-30
HUT68783A (en) 1995-05-17
GB2272172B (en) 1995-11-29
DE69204291D1 (de) 1995-09-28

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