ATE196998T1 - Verfahren zur denitrierung von abgasen - Google Patents

Verfahren zur denitrierung von abgasen

Info

Publication number
ATE196998T1
ATE196998T1 AT95111683T AT95111683T ATE196998T1 AT E196998 T1 ATE196998 T1 AT E196998T1 AT 95111683 T AT95111683 T AT 95111683T AT 95111683 T AT95111683 T AT 95111683T AT E196998 T1 ATE196998 T1 AT E196998T1
Authority
AT
Austria
Prior art keywords
catalyst layer
ammonia
nitrogen oxides
denitration catalyst
denitration
Prior art date
Application number
AT95111683T
Other languages
English (en)
Inventor
Kouzo Iida
Shigeru Nojima
Yoshiaki Obayashi
Norihisa Kobayashi
Satoru Serizawa
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
Priority claimed from JP17649494A external-priority patent/JP3462580B2/ja
Priority claimed from JP23889294A external-priority patent/JP3241216B2/ja
Application filed by Mitsubishi Heavy Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Application granted granted Critical
Publication of ATE196998T1 publication Critical patent/ATE196998T1/de

Links

Classifications

    • 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
    • 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
    • B01D53/8634—Ammonia
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/061—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing metallic elements added to the zeolite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Treating Waste Gases (AREA)
AT95111683T 1994-07-28 1995-07-25 Verfahren zur denitrierung von abgasen ATE196998T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17649494A JP3462580B2 (ja) 1994-07-28 1994-07-28 排ガスの脱硝方法
JP23889294A JP3241216B2 (ja) 1994-10-03 1994-10-03 排ガスの脱硝処理方法

Publications (1)

Publication Number Publication Date
ATE196998T1 true ATE196998T1 (de) 2000-11-15

Family

ID=26497395

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95111683T ATE196998T1 (de) 1994-07-28 1995-07-25 Verfahren zur denitrierung von abgasen

Country Status (5)

Country Link
US (2) US5728356A (de)
EP (1) EP0694329B1 (de)
AT (1) ATE196998T1 (de)
CA (1) CA2154500C (de)
DE (1) DE69519137T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2154500C (en) * 1994-07-28 2001-10-02 Kouzo Iida Methods of denitrating exhaust gases
US6534631B1 (en) * 1998-07-15 2003-03-18 Human Genome Sciences, Inc. Secreted protein HT5GJ57
US6299847B1 (en) * 1998-07-07 2001-10-09 Durr Environmental Ammonia catalytic abatement apparatus and method
JP2000093749A (ja) 1998-09-25 2000-04-04 Mitsubishi Heavy Ind Ltd 排ガスの脱硝方法
US6706246B2 (en) 2001-02-26 2004-03-16 Abb Lummus Global Inc. System and method for the selective catalytic reduction of nitrogen oxide in a gas stream
US20020159923A1 (en) * 2001-02-26 2002-10-31 Platvoet Erwin M.J. Gas phase reactor and process for reducing nitrogen oxide in a gas stream
US6663839B2 (en) 2001-02-26 2003-12-16 Abb Lummus Global Inc. Radial flow gas phase reactor and method for reducing the nitrogen oxide content of a gas
US6821490B2 (en) * 2001-02-26 2004-11-23 Abb Lummus Global Inc. Parallel flow gas phase reactor and method for reducing the nitrogen oxide content of a gas
DE10123402A1 (de) * 2001-05-14 2002-11-28 Fraunhofer Ges Forschung Verfahren zum Behandeln von ammoniakhaltigen Rauchgasen
US20030202927A1 (en) * 2002-04-24 2003-10-30 Minkara Rafic Y. Reduction of ammonia in flue gas and fly ash
US8555921B2 (en) 2002-12-18 2013-10-15 Vapor Technologies Inc. Faucet component with coating
JP2005028210A (ja) * 2003-07-07 2005-02-03 Mitsubishi Heavy Ind Ltd 排ガス処理システム
JP4427356B2 (ja) * 2004-02-27 2010-03-03 東京濾器株式会社 窒素酸化物浄化用触媒システム及び窒素酸化物浄化方法
US20060029534A1 (en) * 2004-08-04 2006-02-09 General Electric Company Process for treating ammonia-containing exhaust gases
US7481983B2 (en) * 2004-08-23 2009-01-27 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
US7393511B2 (en) 2005-02-16 2008-07-01 Basf Catalysts Llc Ammonia oxidation catalyst for the coal fired utilities
US8168562B2 (en) * 2006-02-02 2012-05-01 Lyondell Chemical Technology, L.P. Preparation of palladium-gold catalysts
WO2008016627A1 (en) * 2006-08-01 2008-02-07 Cormetech, Inc. Compositions and methods for treating exhaust gases
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
US8524185B2 (en) * 2008-11-03 2013-09-03 Basf Corporation Integrated SCR and AMOx catalyst systems
CN101972649B (zh) * 2010-11-02 2012-09-05 浙江德纳希环保科技股份有限公司 去除焚烧烟气中氮氧化物的钒锰复合催化剂及制备方法
KR101284214B1 (ko) * 2012-10-04 2013-07-08 한국과학기술연구원 질소산화물 분해 촉매 및 그 제조 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702886A (en) * 1969-10-10 1972-11-14 Mobil Oil Corp Crystalline zeolite zsm-5 and method of preparing the same
FI88363C (fi) * 1986-09-25 1993-05-10 Siemens Ag Roekgasanlaeggning
DE3639112A1 (de) * 1986-11-15 1988-05-26 Rheinische Braunkohlenw Ag Verfahren zum entfernen von so(pfeil abwaerts)x(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) aus rauchgas
DE3723072A1 (de) * 1987-07-11 1989-01-19 Basf Ag Verfahren zur entfernung von stickoxiden aus abgasen
JPH067639A (ja) * 1992-04-28 1994-01-18 Mitsubishi Heavy Ind Ltd 燃焼排ガスの脱硝方法
JP3349182B2 (ja) * 1992-12-21 2002-11-20 三菱重工業株式会社 アンモニアの処理方法
US5679313A (en) * 1994-06-08 1997-10-21 Mitsubishi Jukogyo Kabushiki Kaisha Ammonia decomposition catalysts
US5451387A (en) * 1994-07-07 1995-09-19 Mobil Oil Corporation Selective catalytic reduction of nitrogen oxides using an iron impregnated zeolite catalyst
CA2154500C (en) * 1994-07-28 2001-10-02 Kouzo Iida Methods of denitrating exhaust gases

Also Published As

Publication number Publication date
EP0694329A3 (de) 1997-08-13
DE69519137T2 (de) 2001-05-17
EP0694329A2 (de) 1996-01-31
US6080376A (en) 2000-06-27
DE69519137D1 (de) 2000-11-23
US5728356A (en) 1998-03-17
CA2154500A1 (en) 1996-01-29
EP0694329B1 (de) 2000-10-18
CA2154500C (en) 2001-10-02

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