ATE171644T1 - Katalysator und verfahren zur entfernung von stickstoffoxiden - Google Patents

Katalysator und verfahren zur entfernung von stickstoffoxiden

Info

Publication number: ATE171644T1
Authority: AT; Austria
Prior art keywords: catalyst; nitrogen oxides; removing nitrogen; oxides; terms
Prior art date: 1993-07-20

Application number

AT94305345T

Other languages

English (en)

Inventor

Hiroaki Rikimaru

Toshikatsu Umaba

Yoshiyuki Yoshikawa

Original Assignee

Sakai Chemical Industry Co

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.)

1993-07-20

Filing date

1994-07-20

Publication date

1998-10-15

1994-07-20 Application filed by Sakai Chemical Industry Co, Mitsubishi Heavy Ind Ltd filed Critical Sakai Chemical Industry Co

1998-10-15 Application granted granted Critical

1998-10-15 Publication of ATE171644T1 publication Critical patent/ATE171644T1/de

Links

MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract 5
239000003054 catalyst Substances 0.000 title abstract 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
239000003638 chemical reducing agent Substances 0.000 abstract 1
229910052750 molybdenum Inorganic materials 0.000 abstract 1
239000011733 molybdenum Substances 0.000 abstract 1
229910052758 niobium Inorganic materials 0.000 abstract 1
239000010955 niobium Substances 0.000 abstract 1
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 1
229910052757 nitrogen Inorganic materials 0.000 abstract 1
239000010936 titanium Substances 0.000 abstract 1
229910052719 titanium Inorganic materials 0.000 abstract 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
229910052721 tungsten Inorganic materials 0.000 abstract 1
239000010937 tungsten Substances 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

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)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Health & Medical Sciences (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Environmental & Geological Engineering (AREA)
Biomedical Technology (AREA)
Combustion & Propulsion (AREA)
Catalysts (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)

AT94305345T 1993-07-20 1994-07-20 Katalysator und verfahren zur entfernung von stickstoffoxiden ATE171644T1 (de)

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
ATE171644T1 true ATE171644T1 (de)	1998-10-15

Family

ID=16066363

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT94305345T ATE171644T1 (de)	1993-07-20	1994-07-20	Katalysator und verfahren zur entfernung von stickstoffoxiden

Country Status (7)

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

Families Citing this family (23)

* 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
DE60239956D1 (de) *	2001-12-18	2011-06-16	Univ California	Verfahren zur herstellung dichter dünnfilme
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
WO2003096470A1 (en) *	2002-05-07	2003-11-20	The Regents Of The University Of California	Electrochemical cell stack assembly
EP1559163A4 (de) *	2002-10-04	2011-04-20	Univ California	Fluorseparation und erzeugungseinrichtung
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
EP1794264B1 (de) *	2004-09-08	2020-05-27	Shell International Research Maatschappij B.V.	Hydrocrack-katalysatorzusammensetzung
US7342716B2 (en) *	2005-10-11	2008-03-11	Cardinal Cg Company	Multiple cavity low-emissivity coatings
US20070107395A1 (en)	2005-11-16	2007-05-17	Bilal Zuberi	Extruded porous substrate and products using the same
US7640732B2 (en)	2005-11-16	2010-01-05	Geo2 Technologies, Inc.	Method and apparatus for filtration of a two-stroke engine exhaust
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
US8038759B2 (en)	2005-11-16	2011-10-18	Geoz Technologies, Inc.	Fibrous cordierite materials
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
CN117138770A (zh)	2012-08-24	2023-12-01	东纳斯公司	催化剂载体材料、催化剂、其制备方法和用途

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 (de) *	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

1993
- 1993-07-20 JP JP5179467A patent/JPH0768172A/ja active Pending
1994
- 1994-07-13 KR KR1019940016786A patent/KR960013449A/ko not_active Ceased
- 1994-07-19 US US08/277,041 patent/US5582809A/en not_active Expired - Lifetime
- 1994-07-20 AT AT94305345T patent/ATE171644T1/de active
- 1994-07-20 DK DK94305345T patent/DK0635298T3/da active
- 1994-07-20 EP EP94305345A patent/EP0635298B1/de not_active Expired - Lifetime
- 1994-07-20 DE DE69413615T patent/DE69413615T2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US5582809A (en)	1996-12-10
DE69413615D1 (de)	1998-11-05
KR960013449A (ko)	1996-05-22
DE69413615T2 (de)	1999-04-08
DK0635298T3 (da)	1999-06-21
EP0635298A3 (de)	1995-02-01
EP0635298B1 (de)	1998-09-30
JPH0768172A (ja)	1995-03-14
EP0635298A2 (de)	1995-01-25

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Legal Events

Date	Code	Title	Description
1999-03-15	UEP	Publication of translation of european patent specification