DK0635298T3 - Katalysator og fremgangsmåde til fjernelse af nitrogenoxider - Google Patents

Katalysator og fremgangsmåde til fjernelse af nitrogenoxider

Info

Publication number
DK0635298T3
DK0635298T3 DK94305345T DK94305345T DK0635298T3 DK 0635298 T3 DK0635298 T3 DK 0635298T3 DK 94305345 T DK94305345 T DK 94305345T DK 94305345 T DK94305345 T DK 94305345T DK 0635298 T3 DK0635298 T3 DK 0635298T3
Authority
DK
Denmark
Prior art keywords
catalyst
nitrogen oxides
removing nitrogen
oxides
terms
Prior art date
Application number
DK94305345T
Other languages
Danish (da)
English (en)
Inventor
Hiroaki Rikimaru
Toshikatsu Umaba
Yoshiyuki Yoshikawa
Original Assignee
Mitsubishi Heavy Ind Ltd
Sakai Chemical Industry Co
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, Sakai Chemical Industry Co filed Critical Mitsubishi Heavy Ind Ltd
Application granted granted Critical
Publication of DK0635298T3 publication Critical patent/DK0635298T3/da

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
    • 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
    • B01J23/44—Palladium
    • 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
    • B01J23/20—Vanadium, niobium or tantalum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/202—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/204—Carbon monoxide
    • 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
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DK94305345T 1993-07-20 1994-07-20 Katalysator og fremgangsmåde til fjernelse af nitrogenoxider DK0635298T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5179467A JPH0768172A (ja) 1993-07-20 1993-07-20 窒素酸化物接触還元用触媒及び方法

Publications (1)

Publication Number Publication Date
DK0635298T3 true DK0635298T3 (da) 1999-06-21

Family

ID=16066363

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94305345T DK0635298T3 (da) 1993-07-20 1994-07-20 Katalysator og fremgangsmåde til fjernelse af nitrogenoxider

Country Status (7)

Country Link
US (1) US5582809A (ja)
EP (1) EP0635298B1 (ja)
JP (1) JPH0768172A (ja)
KR (1) KR960013449A (ja)
AT (1) ATE171644T1 (ja)
DE (1) DE69413615T2 (ja)
DK (1) DK0635298T3 (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5759504A (en) * 1994-12-28 1998-06-02 Hitachi, Ltd. Method for treating organohalogen compounds with catalyst
DE19549090C2 (de) * 1995-11-08 1997-09-25 Honda Motor Co Ltd NOx-Sensor für Abgas
US7070746B1 (en) 1999-05-26 2006-07-04 Solutia Inc. Process for nitrous oxide purification
US7163713B2 (en) * 1999-07-31 2007-01-16 The Regents Of The University Of California Method for making dense crack free thin films
US6638486B2 (en) * 2000-03-08 2003-10-28 Nippon Shokubai Co., Ltd. Catalyst for purification of exhaust gases, production process therefor, and process for purification of exhaust gases
WO2003051529A1 (en) * 2001-12-18 2003-06-26 The Regents Of The University Of California A process for making dense thin films
JP4167039B2 (ja) * 2002-04-10 2008-10-15 三菱重工業株式会社 ガスタービン単独プラントの改造方法、触媒の再利用方法
AU2003256251A1 (en) * 2002-04-24 2003-11-10 The Regents Of The University Of California Planar electrochemical device assembly
US20040023101A1 (en) * 2002-05-07 2004-02-05 The Regents Of The University Of California Electrochemical cell stack assembly
JP4879490B2 (ja) * 2002-10-04 2012-02-22 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア フッ素分離および発生装置
AR043243A1 (es) * 2003-02-24 2005-07-20 Shell Int Research Composicion de catalizador ,su preparacion y uso
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
JP5156173B2 (ja) * 2004-05-11 2013-03-06 バブコック日立株式会社 窒素酸化物除去用触媒の製造法
CN101035881B (zh) * 2004-09-08 2010-10-13 国际壳牌研究有限公司 加氢裂化催化剂组合物
US7342716B2 (en) * 2005-10-11 2008-03-11 Cardinal Cg Company Multiple cavity low-emissivity coatings
US8038759B2 (en) 2005-11-16 2011-10-18 Geoz Technologies, Inc. Fibrous cordierite materials
US7938877B2 (en) 2005-11-16 2011-05-10 Geo2 Technologies, Inc. Low coefficient of thermal expansion materials including modified aluminosilicate fibers and methods of manufacture
US7938876B2 (en) 2005-11-16 2011-05-10 GE02 Technologies, Inc. Low coefficient of thermal expansion materials including nonstoichiometric cordierite fibers and methods of manufacture
US20070107395A1 (en) 2005-11-16 2007-05-17 Bilal Zuberi Extruded porous substrate and products using the same
US7781372B2 (en) 2007-07-31 2010-08-24 GE02 Technologies, Inc. Fiber-based ceramic substrate and method of fabricating the same
US8545796B2 (en) 2009-07-31 2013-10-01 Cristal Usa Inc. Silica-stabilized ultrafine anatase titania, vanadia catalysts, and methods of production thereof
SG11201501096QA (en) 2012-08-24 2015-03-30 Cristal Usa Inc Catalyst support materials, catalysts, methods of making them and uses thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
US4131643A (en) * 1975-09-05 1978-12-26 Kobe Steel Limited Catalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalyst
JPS52122293A (en) * 1976-04-08 1977-10-14 Nippon Shokubai Kagaku Kogyo Co Ltd Catalyst for purifying nox
JPS55155740A (en) * 1979-05-22 1980-12-04 Nippon Shokubai Kagaku Kogyo Co Ltd Fortified catalyzer for exhaust gas treatment
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
JPS62106826A (ja) * 1985-11-06 1987-05-18 Nippon Shokubai Kagaku Kogyo Co Ltd デイ−ゼル排ガス中の窒素酸化物を除去する方法
DE3740289A1 (de) * 1987-11-27 1989-06-08 Degussa Katalysator zur selektiven reduktion von stickoxiden mit ammoniak
JPH0256250A (ja) * 1988-08-23 1990-02-26 Sakai Chem Ind Co Ltd 排ガス中の窒素酸化物除去用触媒
US5198403A (en) * 1989-02-28 1993-03-30 Degussa Ag Process for producing a catalyst for selective reduction of nitrous oxides with ammonia
DE3906136C1 (ja) * 1989-02-28 1990-08-09 Degussa Ag, 6000 Frankfurt, De

Also Published As

Publication number Publication date
DE69413615D1 (de) 1998-11-05
EP0635298A3 (en) 1995-02-01
EP0635298B1 (en) 1998-09-30
US5582809A (en) 1996-12-10
EP0635298A2 (en) 1995-01-25
KR960013449A (ko) 1996-05-22
JPH0768172A (ja) 1995-03-14
ATE171644T1 (de) 1998-10-15
DE69413615T2 (de) 1999-04-08

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