DE69332043T2 - Entfernung von Stickstoffoxiden aus Abgas - Google Patents

Entfernung von Stickstoffoxiden aus Abgas

Info

Publication number
DE69332043T2
DE69332043T2 DE69332043T DE69332043T DE69332043T2 DE 69332043 T2 DE69332043 T2 DE 69332043T2 DE 69332043 T DE69332043 T DE 69332043T DE 69332043 T DE69332043 T DE 69332043T DE 69332043 T2 DE69332043 T2 DE 69332043T2
Authority
DE
Germany
Prior art keywords
removal
exhaust gas
nitrogen oxides
oxides
nitrogen
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69332043T
Other languages
English (en)
Other versions
DE69332043D1 (de
Inventor
Mitsunori Tabata
Masaaki Kawatsuki
Katsumi Miyamoto
Hiroshi Tsuchida
Tomohiro Yoshinari
Kazushi Usui
Fujio Suganuma
Tadao Nakatsuji
Hiromitsu Shimizu
Ritsu Yasukawa
Hideaki Hamada
Takehiko Ito
Yoshiaki Kintaichi
Motoi Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PETROLEUM ENERGY CT TOKIO TOKY
Cosmo Oil Co Ltd
National Institute of Advanced Industrial Science and Technology AIST
Sakai Chemical Industry Co Ltd
Original Assignee
PETROLEUM ENERGY CT TOKIO TOKY
Cosmo Oil Co Ltd
National Institute of Advanced Industrial Science and Technology AIST
Sakai Chemical Industry Co 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 JP36138992A external-priority patent/JP3316564B2/ja
Priority claimed from JP5213336A external-priority patent/JP2848581B2/ja
Priority claimed from JP5305976A external-priority patent/JP2847021B2/ja
Priority claimed from JP34427493A external-priority patent/JP3316566B2/ja
Application filed by PETROLEUM ENERGY CT TOKIO TOKY, Cosmo Oil Co Ltd, National Institute of Advanced Industrial Science and Technology AIST, Sakai Chemical Industry Co Ltd filed Critical PETROLEUM ENERGY CT TOKIO TOKY
Publication of DE69332043D1 publication Critical patent/DE69332043D1/de
Application granted granted Critical
Publication of DE69332043T2 publication Critical patent/DE69332043T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B01D53/92—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
    • B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/21—Organic compounds not provided for in groups B01D2251/206 or B01D2251/208
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/635—0.5-1.0 ml/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/66—Pore distribution
    • B01J35/67—Pore distribution monomodal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE69332043T 1992-12-28 1993-12-28 Entfernung von Stickstoffoxiden aus Abgas Expired - Lifetime DE69332043T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP36138992A JP3316564B2 (ja) 1992-12-28 1992-12-28 窒素酸化物含有排ガスの浄化方法
JP5213336A JP2848581B2 (ja) 1992-08-06 1993-08-05 窒素酸化物の除去方法
JP5305976A JP2847021B2 (ja) 1993-11-11 1993-11-11 窒素酸化物の還元除去方法
JP34427493A JP3316566B2 (ja) 1993-12-17 1993-12-17 窒素酸化物含有排ガスの還元浄化方法

Publications (2)

Publication Number Publication Date
DE69332043D1 DE69332043D1 (de) 2002-07-25
DE69332043T2 true DE69332043T2 (de) 2002-12-19

Family

ID=27476636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332043T Expired - Lifetime DE69332043T2 (de) 1992-12-28 1993-12-28 Entfernung von Stickstoffoxiden aus Abgas

Country Status (3)

Country Link
US (1) US5853679A (de)
EP (1) EP0604987B1 (de)
DE (1) DE69332043T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3362546B2 (ja) * 1995-03-10 2003-01-07 トヨタ自動車株式会社 排ガス浄化用触媒
US6030590A (en) * 1995-12-26 2000-02-29 Cosmo Research Institute Reduction purification method of nitrogen oxide-containing exhaust gas
JP3977883B2 (ja) * 1996-10-03 2007-09-19 株式会社日立製作所 内燃機関用排ガス浄化触媒
JP3965711B2 (ja) * 1996-10-25 2007-08-29 株式会社日立製作所 窒素酸化物の浄化触媒及び浄化方法
US6146602A (en) * 1999-02-08 2000-11-14 Ford Global Technologies, Inc. Mesoporous oxide molecular sieves for absorbing nitrogen oxides in oxidizing engine exhaust gas
EP1174173B1 (de) * 2000-07-17 2013-03-20 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Abgasreinigungskatalysator
CA2417656C (en) * 2000-08-01 2010-02-23 Clean Diesel Technologies, Inc. Low-emissions diesel fuel blend
WO2002026655A1 (fr) * 2000-09-26 2002-04-04 Ngk Insulators, Ltd. Structure en nid d'abeille a l'alumine, procede de fabrication correspondant, et structure en nid d'abeille de stockage thermique correspondant
JP5076377B2 (ja) * 2006-07-03 2012-11-21 トヨタ自動車株式会社 排ガス浄化触媒
EP2161070B1 (de) * 2008-09-04 2013-11-27 Haldor Topsoe A/S Verfahren und Katalysatorsystem zur NOx-Reduktion
US8329607B2 (en) 2009-01-16 2012-12-11 Basf Corporation Layered diesel oxidation catalyst composites
US9205376B2 (en) 2011-12-22 2015-12-08 Continental Automotive Systems, Inc. Automotive anti-contamination system
US9764313B2 (en) * 2014-06-18 2017-09-19 Basf Corporation Molecular sieve catalyst compositions, catalyst composites, systems, and methods
US10850265B2 (en) 2014-06-18 2020-12-01 Basf Corporation Molecular sieve catalyst compositions, catalytic composites, systems, and methods

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397154A (en) * 1963-07-09 1968-08-13 Du Pont Preparation of alumina-supported catalyst compositions and the products thereof
FR2512004A1 (fr) * 1981-08-27 1983-03-04 Rhone Poulenc Spec Chim Composition d'alumine pour le revetement d'un support de catalyseur, son procede de fabrication et le support de catalyseur obtenu
GB8619456D0 (en) * 1986-08-08 1986-09-17 Ti Group Services Ltd Vehicle exhaust systems
US4771029A (en) * 1987-05-18 1988-09-13 W. R. Grace & Co.-Conn Monolith washcoat having optimum pore structure and optimum method of designing the washcoat
US4929586A (en) * 1988-06-09 1990-05-29 W. R. Grace & Co.-Conn. Catalysts for selective catalytic reduction DeNOx technology
KR100201748B1 (ko) * 1990-05-28 1999-06-15 사또 다께오 배기가스로부터 질소산화물을 제거하는 방법
FR2663245B1 (fr) * 1990-06-13 1992-09-18 Rhone Poulenc Chimie Composition a base d'alumine pour catalyseur et procede de fabrication.
GB2257696B (en) * 1991-06-28 1995-05-31 Riken Kk Method and apparatus for cleaning exhaust gas
JPH05220349A (ja) * 1991-12-02 1993-08-31 Osaka Gas Co Ltd 酸化窒素の処理方法及び処理装置

Also Published As

Publication number Publication date
EP0604987B1 (de) 2002-06-19
US5853679A (en) 1998-12-29
EP0604987A1 (de) 1994-07-06
DE69332043D1 (de) 2002-07-25

Similar Documents

Publication Publication Date Title
DE69025632D1 (de) Verfahren zur Reduzierung von Stickstoffoxyden aus Abgasen
DE69319707T2 (de) Verfahren zur Entfernung von Stickstoffoxiden aus sauerstoffreichem Abgas
DE69233289D1 (de) Rückgewinnung von Kohlendioxid aus Verbrennungsabgas
ATA331684A (de) Katalysator zur entfernung von stickstoffoxiden aus auspuff- und abgasen
DE59007453D1 (de) Verfahren zur Reduktion von in Abgasen enthaltenen Stickoxiden.
DE69115241D1 (de) Verfahren zur Entfernung von Stickoxiden aus Abgasen.
DE69124063D1 (de) Verwendung eines Katalysators zur Entfernung von Stickoxiden aus Abgasen
DE69736093D1 (de) Entfernung von Stickstoffoxiden und Schwefeloxyden aus Verbrennungsgasströmen
DE69229132D1 (de) Katalysator und Verfahren zur Reinigung von Abgasen
DE69113559D1 (de) Verfahren zur Entfernung von Stickstoffoxiden aus Abgasen.
DE69332043T2 (de) Entfernung von Stickstoffoxiden aus Abgas
DE58907436D1 (de) Verfahren zur Minderung von Stickoxiden (NOx) aus Feuerungsabgasen.
DE69630574D1 (de) Abgasreinigungsverfahren mittels Reduktion von Stickstoffoxiden
IT1169798B (it) Procedimento per eliminare ossidi di azoto da gas di scarico
DK10887D0 (da) Fremgangmaade til fjernelse af nitrogen- og svovloxider fra gasblandinger
DE3863472D1 (de) Plattenfoermiger katalysator zur entfernung von stickstoffoxiden aus abgasen.
GB9100826D0 (en) Removal of nitrogen oxides from waste gases
GB2267843B (en) Exhaust gas scrubber and filter assembly
DK146788D0 (da) Fremgangsmaade til rensning af roeggasser for nitrogenoxider
DE69301862D1 (de) Entfernung von Stickoxiden
DE69215853D1 (de) Auswaschen von gasförmigen fluoriden aus abgasen
DE69304656D1 (de) Katalysator zur Reinigung von Abgas
PL296055A1 (en) Method of removing nitrogen oxides from flue gases
ZA934247B (en) Exhaust gas scrubber and filter assembly
DE69309245D1 (de) Abgasreiniger

Legal Events

Date Code Title Description
8364 No opposition during term of opposition