ATE242042T1 - Stickstoffoxidentfernungskatalysator - Google Patents

Stickstoffoxidentfernungskatalysator

Info

Publication number
ATE242042T1
ATE242042T1 AT97109393T AT97109393T ATE242042T1 AT E242042 T1 ATE242042 T1 AT E242042T1 AT 97109393 T AT97109393 T AT 97109393T AT 97109393 T AT97109393 T AT 97109393T AT E242042 T1 ATE242042 T1 AT E242042T1
Authority
AT
Austria
Prior art keywords
catalyst
nitrogen oxide
oxide removal
solid type
removal catalyst
Prior art date
Application number
AT97109393T
Other languages
English (en)
Inventor
Yoshiaki Obayashi
Kozo Iida
Shigeru Nojima
Atsushi Morii
Osamu Naito
Original Assignee
Mitsubishi Heavy Ind Ltd
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 Mitsubishi Heavy Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Application granted granted Critical
Publication of ATE242042T1 publication Critical patent/ATE242042T1/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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—Processes characterised by a specific device
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
AT97109393T 1996-06-25 1997-06-10 Stickstoffoxidentfernungskatalysator ATE242042T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16404396A JP3389005B2 (ja) 1996-06-25 1996-06-25 窒素酸化物除去触媒

Publications (1)

Publication Number Publication Date
ATE242042T1 true ATE242042T1 (de) 2003-06-15

Family

ID=15785724

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97109393T ATE242042T1 (de) 1996-06-25 1997-06-10 Stickstoffoxidentfernungskatalysator

Country Status (5)

Country Link
US (1) US5869419A (de)
EP (1) EP0815924B1 (de)
JP (1) JP3389005B2 (de)
AT (1) ATE242042T1 (de)
DE (1) DE69722511T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4657647A (en) * 1986-07-14 1987-04-14 Shell Oil Company Process for the production of dichlorohydrin and the electrodialysis thereof
JP2001509432A (ja) * 1997-07-10 2001-07-24 エス ケー コーポレイション 窒素酸化物の除去のための選択的触媒還元及びその触媒体
DE19844758C1 (de) * 1998-09-29 2000-07-06 Siemens Ag Verfahren zur Herstellung eines Katalysatorkörpers
DE19921207A1 (de) * 1999-05-07 2000-11-16 Siemens Ag Verfahren zur Herstellung einer katalytisch aktiven Masse, Katalysator mit einer derart hergestellten katalytisch aktiven Masse sowie Verwendung des Katalysators zum Abbau von Dioxinen und/oder Furanen
US6759358B2 (en) * 2001-08-21 2004-07-06 Sud-Chemie Inc. Method for washcoating a catalytic material onto a monolithic structure
US7572414B2 (en) * 2001-10-09 2009-08-11 Lummus Technology Inc. Modular system and method for the catalytic treatment of a gas stream
JP2004275852A (ja) * 2003-03-14 2004-10-07 Mitsubishi Heavy Ind Ltd 排煙脱硝触媒及びその製造方法
DE102005000873A1 (de) * 2005-01-05 2006-07-13 Blohm, Maik Verfahren und Vorrichtung zur Reinigung von SCR-Katalysatoren zwecks Wiedererlangung der Aktivität
JP2006192344A (ja) * 2005-01-12 2006-07-27 Babcock Hitachi Kk 脱硝触媒の再生方法および再生脱硝触媒
ATE497408T1 (de) * 2005-12-16 2011-02-15 Evonik Energy Services Gmbh Verfahren zum behandeln von rauchgas- katalysatoren
JP4801461B2 (ja) * 2006-02-16 2011-10-26 三菱重工業株式会社 排ガス処理用触媒の製造方法
JP4939082B2 (ja) * 2006-03-01 2012-05-23 三菱重工業株式会社 排ガス処理システム
JP2008023501A (ja) * 2006-07-25 2008-02-07 Toyota Motor Corp 排ガス浄化用触媒
DE102007020855A1 (de) 2007-05-02 2008-11-06 Evonik Energy Services Gmbh Verfahren zum Reinigen von Rauchgasen aus Verbrennungsanlagen
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
EP2033702B1 (de) * 2007-09-04 2011-01-19 Evonik Energy Services GmbH Verfahren zum Entfernen von Quecksilber aus Verbrennungsabgasen
US7723251B2 (en) * 2008-03-11 2010-05-25 Evonik Energy Services Llc Method of regeneration of SCR catalyst
US7741239B2 (en) * 2008-03-11 2010-06-22 Evonik Energy Services Llc Methods of regeneration of SCR catalyst poisoned by phosphorous components in flue gas
FR2944459B1 (fr) * 2009-04-15 2012-06-01 Peugeot Citroen Automobiles Sa Procede de recyclage des pots catalytiques usages.
JP5701185B2 (ja) 2011-09-09 2015-04-15 三菱重工業株式会社 脱硝触媒のｓｏ２酸化率上昇低減方法
JP6697287B2 (ja) * 2016-03-02 2020-05-20 三菱日立パワーシステムズ株式会社 金属水銀の酸化反応および窒素酸化物の還元反応用触媒、ならびに排ガスの浄化方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048112A (en) * 1973-09-10 1977-09-13 Mitsubishi Chemical Industries Ltd. Catalyst for selective reduction of nitrogen oxides
JPS56168835A (en) * 1980-05-31 1981-12-25 Mitsubishi Petrochem Co Ltd Denitrating catalyst and denitrating method
JPS5778949A (en) * 1980-11-05 1982-05-17 Ngk Insulators Ltd Regeneration of poisoned catalyst for removing nitrogen oxide
JPS57180433A (en) * 1981-04-28 1982-11-06 Mitsubishi Heavy Ind Ltd Regeneration of used denitration catalyst
US4518710A (en) * 1984-01-25 1985-05-21 Uop Inc. Catalyst for the reduction of nitrogen oxides in gaseous mixtures and method of making the catalyst
EP0161206A3 (de) * 1984-04-03 1987-11-04 Mitsubishi Jukogyo Kabushiki Kaisha Methode zur Regenerierung eines Denitrierungskatalysators
JPS61153139A (ja) * 1984-12-27 1986-07-11 Babcock Hitachi Kk 脱硝触媒の再生法
US5138982A (en) * 1986-01-21 1992-08-18 Ebara Corporation Internal circulating fluidized bed type boiler and method of controlling the same
DE3607436A1 (de) * 1986-03-06 1987-09-10 Kraftwerk Union Ag Katalysatormaterial zur minderung der stickoxide in rauchgasen
FI873979A0 (fi) * 1986-10-08 1987-09-14 Kraftwerk Union Ag Katalysatormaterial foer reducering av maengden kvaeveoxider i roekgaser.
JP2583911B2 (ja) * 1987-10-26 1997-02-19 バブコツク日立株式会社 窒素酸化物除去用触媒
DE3740289A1 (de) * 1987-11-27 1989-06-08 Degussa Katalysator zur selektiven reduktion von stickoxiden mit ammoniak
DE4006918A1 (de) * 1990-03-06 1991-09-12 Basf Ag Verfahren zum aufarbeiten von katalysatoren
JPH04110038A (ja) * 1990-08-31 1992-04-10 Mitsubishi Heavy Ind Ltd 窒素酸化物除去用触媒
US5409681A (en) * 1991-11-27 1995-04-25 Babcock-Hitachi Kabushiki Kaisha Catalyst for purifying exhaust gas

Also Published As

Publication number Publication date
JPH105547A (ja) 1998-01-13
EP0815924A1 (de) 1998-01-07
DE69722511D1 (de) 2003-07-10
JP3389005B2 (ja) 2003-03-24
US5869419A (en) 1999-02-09
EP0815924B1 (de) 2003-06-04
DE69722511T2 (de) 2003-12-11

Similar Documents

Publication Publication Date Title
DE69722511D1 (de) Stickstoffoxidentfernungskatalysator
Matsumoto DeNOx catalyst for automotive lean-burn engine
DE58908501D1 (de) Verfahren zur Reduktion von Stickoxiden aus Abgasen.
EP1036591A4 (de) Abgasenreinigungskatalisator und verfahren zm reinigun von abgasen
DE68909975D1 (de) Katalysatorträger und Katalysator zur Behandlung von Motorabgasen und Verfahren zu deren Herstellung.
CA2090882A1 (en) Reduction of the quantity of nox in lean exhaust gas of motor vehicle engines
CA2341065A1 (en) Process for checking the operatability of an exhaust gas purification catalyst
EP0399203A3 (de) Monolith-bzw. wabenförmiger Katalysator
ATE79785T1 (de) Denitrierungskatalysator zum reduzieren von stickstoffoxiden in abgasen.
CA2031762A1 (en) Process for the purification of the exhaust gases of diesel engines
TR199900708A2 (xx) S�lf�r oksitler i�in depolama malzemesi.
CA2000906A1 (en) Exhaust gas-purifying catalyst and process for purifying exhaust gases
DE3678722D1 (de) Verfahren zur selektiven beseitigung von stickoxiden aus abgasen.
EP0826410A3 (de) Katalysator zur Reinigung von Abgasen
CA2027538A1 (en) A process for the removal of nitrogen oxides from offgases from turbines
DE3569205D1 (en) Catalyst for the selective reduction of nitrogen oxides in exhaust gases, and process for manufacturing and using such a catalyst
DE69618139D1 (de) Katalysator zur Entfernung von Stickstoffoxiden
KR910002507A (ko) 화학량론적 비 이상에서 작동된 내연기관 및 가스 터어빈으로부터 발생한 배기가스의 정화용 촉매
EP0786285A3 (de) Katalysator und Verfahren zur Reinigung von Abgasen
IT8920173A0 (it) Convestitore catalitico di ossidazione e riduzione per gas di scarico di motori a scoppio.
FI874057A7 (fi) Mangaanioksidikonkreettien tai mangaanipitoisten syvänmerenmalmien käyttö katalysaattoreissa poistokaasuissa esiintyvien typen oksidien vähentämiseksi.
ATE146694T1 (de) Katalysator zur verminderung der stickoxide im rauchgas und verfahren zu seiner herstellung
RU93044235A (ru) Катализатор окисления на основе оксида со структурой перовскита и способ его получения
US3909456A (en) Catalyst for promoting reduction of nitrogen oxides contained in exhaust gases
RU93001114A (ru) Катализатор для глубокого окисления углеводородов и со и способ его получения

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 0815924

Country of ref document: EP