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 (ko)
EP (1) EP0635298B1 (ko)
JP (1) JPH0768172A (ko)
KR (1) KR960013449A (ko)
AT (1) ATE171644T1 (ko)
DE (1) DE69413615T2 (ko)
DK (1) DK0635298T3 (ko)

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
EP1455952B1 (en) * 2001-12-18 2011-05-04 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
US7232626B2 (en) * 2002-04-24 2007-06-19 The Regents Of The University Of California Planar electrochemical device assembly
CN100570941C (zh) * 2002-05-07 2009-12-16 加利福尼亚大学董事会 电化学电池组系统
US7090752B2 (en) * 2002-10-04 2006-08-15 The Regents Of The University Of California Fluorine separation and generation device
TW200418570A (en) * 2003-02-24 2004-10-01 Shell Int Research Catalyst composition, its preparation and use
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
US20070152364A1 (en) 2005-11-16 2007-07-05 Bilal Zuberi Process for extruding a porous substrate
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
BRPI0514960A (pt) * 2004-09-08 2008-07-01 Shell Int Research composição de catalisador, processos para a preparação da mesma e para converter uma carga de alimentação hidrocarbonácea em materiais com ponto de ebulição mais baixo, e, uso de uma composição de catalisador
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
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
KR101803361B1 (ko) 2012-08-24 2017-11-30 크리스탈 유에스에이 인코퍼레이션 촉매 지지체 물질, 촉매, 이들을 제조하는 방법 및 이들의 용도

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
DE3906136C1 (ko) * 1989-02-28 1990-08-09 Degussa Ag, 6000 Frankfurt, De
US5198403A (en) * 1989-02-28 1993-03-30 Degussa Ag Process for producing a catalyst for selective reduction of nitrous oxides with ammonia

Also Published As

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

Similar Documents

Publication Publication Date Title
DK0635298T3 (da) Katalysator og fremgangsmåde til fjernelse af nitrogenoxider
DE69431222D1 (de) Übergangsmetallverbindung, und diese enthaltender Polymerisationkatalysator
DE69019180D1 (de) Organopolysiloxan-Polyharnstoff Blockcopolymer und Methode zu seiner Herstellung.
FI922239A0 (fi) Modifierad amorf kiseloxid, foerfarande foer dess framstaellning och anti-blockmedel, daer den ingaor.
NO304983B1 (no) Nye fosfinyloksymetylketoner, farmas°ytisk sammensetning og anvendelse derav
DE59005153D1 (de) Durch ultraviolette Strahlung härtbare Mittel.
TR27449A (tr) Yeni 4-benzoilisaksazol türevleri, bunlari ihtiva eden terkipler, bunlarin hazirlanmasi icin prosesler ve bunlarin herbisidler olarak kullanilmasi.
DE69427286D1 (de) 7,42-bis (o-demethyl)rapamycin
FR2703584B1 (fr) Viseur de coupes tibiales.
IT1230795B (it) Procedimento per preparare 1,1,1,2 tetrafluoroetano da 1,1 dicloro 1,2,2,2 tetrafluoroetano.
TR27434A (tr) Yeni 4-benzoilisoksazol türevleri, bunlari ihtiva eden terkipler ve bunlarin herbisidler olarak kullanilmalari.
DE69114252D1 (de) Reveromycin-a, herstellung und verwendung als antitumormittel sowie als fungizid.
FI914839A (fi) Effektkrets foer anslutna spaenningsinverterare, vilken har (2*n+l) spaenningsnivaoer.
TR27462A (tr) Sübstitüe edilmis sinamik asidi hidroksiamid'leri, bunlarin üretilmesine mahsus usul, bunlari ihtiva eden maddeler ve bunlarin kullanilmasi.
DK0716073T3 (da) Fremgangsmåde til uskadeliggørelse af herbicider i korn under anvendelse af 5-aryloxy-1,2-(disubstituerede)benzenforbindels
EP0627870A3 (de) Verfahren zur Steuerung/Regelung von mindestens zwei Parallelschwingkreiswechselrichtern.
ITMI913466A0 (it) Procedimento per la depurazione dell'1.1.1-trifluoro-2-fluoroetano e dell'1.1.1-trifuoro-2,2-diocloroetano
FI941909A (fi) 2,6-disubstituoidut 4-kinolyylidihydropyridiinit
TR199600579A2 (tr) N-N-Dietil-8,8-Dipropil-2-Azaspiro (4.5) Dekan-2-propanamid dimaleat.
ES1026087Y (es) Vastago femoral perfeccionado.
LAS PRACTICAS JUDICIALES Francisca de Fuensalida. 1662. Foja 5, vol. 511
Yādava Kāṇṭe kī bāta: Na likhane kā kāraṇa
FR2704421B1 (fr) Prothèse ligamentaire.
FI906269A0 (fi) 2,19-metylenoxi- och 2,19-metylentio -tvaerbundna steroider som aromatas- och 19-hydroxylasinhibitorer.
Bālī Chubhan