DE69205669T2 - Katalysator zur Reinigung von Abgasen. - Google Patents

Katalysator zur Reinigung von Abgasen.

Info

Publication number
DE69205669T2
DE69205669T2 DE69205669T DE69205669T DE69205669T2 DE 69205669 T2 DE69205669 T2 DE 69205669T2 DE 69205669 T DE69205669 T DE 69205669T DE 69205669 T DE69205669 T DE 69205669T DE 69205669 T2 DE69205669 T2 DE 69205669T2
Authority
DE
Germany
Prior art keywords
component
activity
exhaust gases
catalytic converter
purifying
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.)
Expired - Lifetime
Application number
DE69205669T
Other languages
English (en)
Other versions
DE69205669D1 (de
Inventor
Yasuyoshi Kato
Kunihiko Konishi
Fumito Nakajima
Ikuhisa Hamadaa
Isato Morita
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.)
Mitsubishi Hitachi Power Systems Ltd
Original Assignee
Babcock Hitachi KK
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
Priority claimed from JP31230891A external-priority patent/JP3321190B2/ja
Priority claimed from JP4138514A external-priority patent/JPH05329334A/ja
Application filed by Babcock Hitachi KK filed Critical Babcock Hitachi KK
Publication of DE69205669D1 publication Critical patent/DE69205669D1/de
Application granted granted Critical
Publication of DE69205669T2 publication Critical patent/DE69205669T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • B01J23/38—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
    • 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
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • 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
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • 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
    • B01D2255/1023—Palladium
    • 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
    • B01D2255/1025—Rhodium
    • 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
    • B01D2255/20723—Vanadium
    • 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
    • B01D2255/20769—Molybdenum
    • 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
    • B01D2255/20776—Tungsten
DE69205669T 1991-11-27 1992-11-26 Katalysator zur Reinigung von Abgasen. Expired - Lifetime DE69205669T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31230891A JP3321190B2 (ja) 1991-11-27 1991-11-27 脱硝機能を備えたアンモニア分解触媒および排ガス浄化方法
JP4138514A JPH05329334A (ja) 1992-05-29 1992-05-29 排ガスの浄化用触媒および排ガス浄化方法

Publications (2)

Publication Number Publication Date
DE69205669D1 DE69205669D1 (de) 1995-11-30
DE69205669T2 true DE69205669T2 (de) 1996-03-21

Family

ID=26471520

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69205669T Expired - Lifetime DE69205669T2 (de) 1991-11-27 1992-11-26 Katalysator zur Reinigung von Abgasen.

Country Status (4)

Country Link
US (1) US5409681A (de)
EP (1) EP0544282B1 (de)
AT (1) ATE129437T1 (de)
DE (1) DE69205669T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021063939A1 (en) * 2019-09-30 2021-04-08 Basf Corporation A multifunctional catalyst for hydrocarbon oxidation and selective catalytic reduction of nox

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JP3440290B2 (ja) * 1993-08-26 2003-08-25 独立行政法人産業技術総合研究所 排ガス浄化方法
EP0661089B1 (de) * 1993-12-28 1998-03-11 Kabushiki Kaisha Riken Vorrichtung und Verfahren zur Reinigung von Abgas
JP3230427B2 (ja) * 1995-01-05 2001-11-19 株式会社日本触媒 燻蒸排ガス浄化用触媒および燻蒸排ガスの浄化方法
DE69718080T2 (de) * 1996-01-24 2003-10-30 Mitsubishi Materials Corp Pflasterstein zur Reinigung von NOx
DE19624923C1 (de) * 1996-06-21 1998-03-12 Siemens Ag Verfahren zur Herstellung eines Katalysators sowie danach hergestellter Katalysator
JP3389005B2 (ja) * 1996-06-25 2003-03-24 三菱重工業株式会社 窒素酸化物除去触媒
CN1080586C (zh) * 1997-12-17 2002-03-13 中国科学院山西煤炭化学研究所 热处理氮基气氛选择脱氧催化剂
DE19806266C1 (de) * 1998-02-16 1999-08-26 Siemens Ag Katalysator und Verfahren zur Abgasreinigung
WO2002012126A1 (fr) * 2000-08-09 2002-02-14 Babcock-Hitachi Kabushiki Kaisha Procede et dispositif pour le traitement d'effluents contenant de l'ammoniac
AU2001244686A1 (en) * 2000-08-10 2002-02-25 Babcock-Hitachi Kabushiki Kaisha Process and apparatus for treating ammonia-containing waste water
CA2427493A1 (en) * 2000-11-06 2003-04-30 Babcock-Hitachi Kabushiki Kaisha Method for purifying ammonia-containing effluent
SE0101716D0 (sv) * 2001-05-16 2001-05-16 Catator Ab Method and device for processing nitrogen-based gases
KR100392943B1 (ko) * 2001-05-16 2003-07-28 (주)케이에이치 케미컬 디젤엔진 배기가스의 정화용 촉매
EP1264628A1 (de) * 2001-06-09 2002-12-11 OMG AG & Co. KG Redox-Katalysator für die selektive katalytische Reduktion der im Abgas von Dieselmotoren enthaltenen Stickoxide mittels Ammoniak sowie Verfahren zu seiner Herstellung
TW200418570A (en) * 2003-02-24 2004-10-01 Shell Int Research Catalyst composition, its preparation and use
JP4508615B2 (ja) 2003-04-18 2010-07-21 三菱重工業株式会社 窒素酸化物の除去用触媒、触媒成型品、排ガス処理方法及び複合発電設備
US6855303B1 (en) * 2003-06-19 2005-02-15 Sandia Corporation Method for selective catalytic reduction of nitrogen oxides
JPWO2005018807A1 (ja) * 2003-08-26 2006-10-19 ズードケミー触媒株式会社 アンモニア分解触媒および該触媒を用いたアンモニア分解方法
US7591987B1 (en) * 2003-11-14 2009-09-22 Babcock-Hitachi Kabushiki Kaisha Method and apparatus for treating ammonia-containing gas
DE10360955A1 (de) * 2003-12-23 2005-07-21 Umicore Ag & Co. Kg Abgasreinigungsanlage und Verfahren zur Entfernung von Stickoxiden aus dem Abgas von Verbrennungsmotoren mit Hilfe von katalytisch erzeugtem Ammoniak
US7481983B2 (en) 2004-08-23 2009-01-27 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
JP2008512223A (ja) * 2004-09-08 2008-04-24 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 水素化分解用触媒組成物
US7393511B2 (en) * 2005-02-16 2008-07-01 Basf Catalysts Llc Ammonia oxidation catalyst for the coal fired utilities
US8206470B1 (en) 2005-08-03 2012-06-26 Jacobson William O Combustion emission-reducing method
DE102007003155A1 (de) * 2007-01-22 2008-07-24 Süd-Chemie AG Katalysatorzusammensetzung zur Reduktion von Stickoxiden
CA2679599C (en) * 2007-02-27 2016-01-05 Basf Catalysts Llc Bifunctional catalysts for selective ammonia oxidation
JP5192754B2 (ja) 2007-08-22 2013-05-08 三菱重工業株式会社 排ガス処理触媒、及び排ガス処理システム
US7901647B2 (en) * 2008-04-07 2011-03-08 Babcock & Wilcox Power Generation Group, Inc. Enhancement of conventional SCR and SNCR processes with ammonia destruction catalyst
DE102010050312A1 (de) 2010-11-03 2012-05-03 Süd-Chemie AG Ammoniak-Oxidationskatalysator mit geringer N2O Nebenproduktbildung
CN103476495B (zh) * 2011-03-31 2016-01-20 恩亿凯嘉股份有限公司 氨氧化催化剂以及使用了其的废气净化装置和废气净化方法
RU2670760C9 (ru) * 2012-08-17 2018-12-17 Джонсон Мэтти Паблик Лимитед Компани ЦЕОЛИТНЫЕ ПРОМОТИРОВАННЫЕ V/Ti/W КАТАЛИЗАТОРЫ
DE112013005743T5 (de) * 2012-11-30 2015-09-10 Johnson Matthey Public Limited Company Ammoniakoxidationskatalysator
EP2969195A1 (de) * 2013-03-14 2016-01-20 BASF Corporation Katalysatorsystem für selektive katalytische reduktion
JP6470734B2 (ja) * 2013-03-14 2019-02-13 ビーエーエスエフ コーポレーション 選択的接触還元触媒システム
DE102015209988A1 (de) 2014-06-02 2015-12-03 Johnson Matthey Public Limited Company Beschichtete Artikel mit hohen KNOx/KSOx-Verhältnissen für die selektive katalytische Reduktion
SE543753C2 (en) * 2019-11-19 2021-07-13 Scania Cv Ab Method and system for diagnosing oxidation of a substance in an exhaust gas stream

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Publication number Priority date Publication date Assignee Title
WO2021063939A1 (en) * 2019-09-30 2021-04-08 Basf Corporation A multifunctional catalyst for hydrocarbon oxidation and selective catalytic reduction of nox

Also Published As

Publication number Publication date
DE69205669D1 (de) 1995-11-30
EP0544282B1 (de) 1995-10-25
ATE129437T1 (de) 1995-11-15
EP0544282A1 (de) 1993-06-02
US5409681A (en) 1995-04-25

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