DE69427932D1 - Katalysator zur katalytischen Reduktion von Stickstoffoxiden - Google Patents

Katalysator zur katalytischen Reduktion von Stickstoffoxiden

Info

Publication number
DE69427932D1
DE69427932D1 DE69427932T DE69427932T DE69427932D1 DE 69427932 D1 DE69427932 D1 DE 69427932D1 DE 69427932 T DE69427932 T DE 69427932T DE 69427932 T DE69427932 T DE 69427932T DE 69427932 D1 DE69427932 D1 DE 69427932D1
Authority
DE
Germany
Prior art keywords
catalyst
nitrogen oxides
catalytic reduction
catalytic
reduction
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
DE69427932T
Other languages
English (en)
Other versions
DE69427932T2 (de
Inventor
Tadao Nakatsuji
Hiromitsu Shimizu
Ritsu Yasukawa
Katsumi Miyamoto
Hiroshi Tsuchida
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
Sakai Chemical Industry Co Ltd
Original Assignee
PETROLEUM ENERGY CT TOKIO TOKY
Cosmo Oil Co Ltd
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 JP5108119A external-priority patent/JPH06320008A/ja
Priority claimed from JP5108118A external-priority patent/JPH06320006A/ja
Application filed by PETROLEUM ENERGY CT TOKIO TOKY, Cosmo Oil Co Ltd, Sakai Chemical Industry Co Ltd filed Critical PETROLEUM ENERGY CT TOKIO TOKY
Publication of DE69427932D1 publication Critical patent/DE69427932D1/de
Application granted granted Critical
Publication of DE69427932T2 publication Critical patent/DE69427932T2/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
    • 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
    • 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
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE69427932T 1993-05-10 1994-05-10 Katalysator zur katalytischen Reduktion von Stickstoffoxiden Expired - Lifetime DE69427932T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5108119A JPH06320008A (ja) 1993-05-10 1993-05-10 窒素酸化物接触還元用触媒
JP5108118A JPH06320006A (ja) 1993-05-10 1993-05-10 窒素酸化物接触還元用触媒

Publications (2)

Publication Number Publication Date
DE69427932D1 true DE69427932D1 (de) 2001-09-20
DE69427932T2 DE69427932T2 (de) 2002-04-04

Family

ID=26448076

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69427932T Expired - Lifetime DE69427932T2 (de) 1993-05-10 1994-05-10 Katalysator zur katalytischen Reduktion von Stickstoffoxiden

Country Status (3)

Country Link
US (1) US5733837A (de)
EP (1) EP0624393B1 (de)
DE (1) DE69427932T2 (de)

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FR2741869B1 (fr) * 1995-12-04 1998-02-06 Rhone Poulenc Chimie Oxyde de cerium a pores de structure lamellaire, procede de preparation et utilisation en catalyse
US5968463A (en) * 1998-06-12 1999-10-19 Ford Global Technologies, Inc. NOx selective reduction catalyst with broadened active temperature range
JP3624722B2 (ja) 1998-11-18 2005-03-02 本田技研工業株式会社 メタノール改質触媒及びそれを用いたメタノール改質触媒装置
US6314722B1 (en) 1999-10-06 2001-11-13 Matros Technologies, Inc. Method and apparatus for emission control
FR2811908B1 (fr) * 2000-07-24 2003-04-04 Rhodia Terres Rares Procede de traitement d'un gaz pour la reduction de l'emission des oxydes d'azote avec un catalyseur a base de rhodium avec du palladium et/ou du platine
AU2001291568B2 (en) 2000-09-18 2006-02-23 Rothmans, Benson & Hedges Inc. Low sidestream smoke cigarette with non-combustible treatment material
US6864213B2 (en) * 2001-03-13 2005-03-08 Delphi Technologies, Inc. Alkaline earth / rare earth lean NOx catalyst
DE10132442A1 (de) * 2001-07-04 2003-01-23 Studiengesellschaft Kohle Mbh Katalysatoren auf Ceroxid-Basis und deren Verwendung zur katalytischen Verbrennung
CN100496743C (zh) * 2001-09-14 2009-06-10 乐富门.本森及赫奇斯有限公司 制备涂有稀土金属氧化物的微孔材料的方法
US20030073566A1 (en) * 2001-10-11 2003-04-17 Marshall Christopher L. Novel catalyst for selective NOx reduction using hydrocarbons
JP3891827B2 (ja) * 2001-11-07 2007-03-14 本田技研工業株式会社 排ガス浄化触媒
MY143467A (en) * 2002-03-15 2011-05-31 Rothmans Benson & Hedges Low sidestream smoke cigarette with combustible paper having a modified ash
GB0214968D0 (en) * 2002-06-28 2002-08-07 Johnson Matthey Plc Zeolite-based NH SCR catalyst
US6857431B2 (en) * 2002-12-09 2005-02-22 Philip Morris Usa Inc. Nanocomposite copper-ceria catalysts for low temperature or near-ambient temperature catalysis and methods for making such catalysts
JP4413520B2 (ja) * 2003-04-17 2010-02-10 株式会社アイシーティー 排ガス浄化用触媒及びその触媒を用いた排ガスの浄化方法
JP4236543B2 (ja) * 2003-09-08 2009-03-11 本田技研工業株式会社 窒素酸化物の接触分解のための触媒と方法
JP4757027B2 (ja) * 2003-11-11 2011-08-24 本田技研工業株式会社 窒素酸化物素酸化物を接触還元するための触媒
US7727923B2 (en) * 2004-03-30 2010-06-01 Nikki-Universal Co., Ltd. Catalyst for exhaust gas purification and method for exhaust gas purification
US20070149394A1 (en) * 2005-12-22 2007-06-28 Foster Wheeler Energy Corporation Catalyst, a method of using a catalyst, and an arrangement including a catalyst, for controlling NO and/or CO emissions from a combustion system without using external reagent
JP4617253B2 (ja) * 2005-12-26 2011-01-19 エヌ・イーケムキャット株式会社 脱硝触媒、ハニカム構造型脱硝触媒、及びそれを用いた脱硝方法
JP2008049290A (ja) * 2006-08-25 2008-03-06 Tokyo Roki Co Ltd 窒素酸化物を浄化する触媒、方法、及び装置
US20080241805A1 (en) * 2006-08-31 2008-10-02 Q-Track Corporation System and method for simulated dosimetry using a real time locating system
KR100809661B1 (ko) * 2006-10-04 2008-03-05 희성촉매 주식회사 Ｎｏ２ 생성 억제 촉매
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
AR065501A1 (es) 2007-02-27 2009-06-10 Basf Catalysts Llc Catalizadores de zeolita cha de cobre
FR2913453A1 (fr) * 2007-03-08 2008-09-12 Peugeot Citroen Automobiles Sa Ligne d'echappement d'un vehicule de type diesel et vehicule comportant une telle ligne d'echappement
US10384162B2 (en) 2007-03-26 2019-08-20 Pq Corporation High silica chabazite for selective catalytic reduction, methods of making and using same
EP3401010A1 (de) 2007-03-26 2018-11-14 PQ Corporation Neues mikroporöses kristallines material mit einem molekularsieb oder zeolith mit 8-ring-porenöffnungsstruktur sowie verfahren zu dessen herstellung und verwendung
EP2517773B2 (de) * 2007-04-26 2019-08-07 Johnson Matthey Public Limited Company SCR-Kupfer/LEV-Zeolitkatalysator
US20090196812A1 (en) 2008-01-31 2009-08-06 Basf Catalysts Llc Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure
US10583424B2 (en) 2008-11-06 2020-03-10 Basf Corporation Chabazite zeolite catalysts having low silica to alumina ratios
US10343117B2 (en) * 2009-02-27 2019-07-09 Corning Incorporated Ceria-zirconia-zeolite catalyst body
FR2950268B1 (fr) * 2009-09-22 2012-12-28 Peugeot Citroen Automobiles Sa Catalyseur pour la reduction des oxydes d'azote par les hydrocarbures ou les composes oxygenes
EP2335810B1 (de) * 2009-12-11 2012-08-01 Umicore AG & Co. KG Selektive katalytische Reduktion von Stickoxiden im Abgas von Dieselmotoren
US8293199B2 (en) 2009-12-18 2012-10-23 Basf Corporation Process for preparation of copper containing molecular sieves with the CHA structure, catalysts, systems and methods
US8293198B2 (en) 2009-12-18 2012-10-23 Basf Corporation Process of direct copper exchange into Na+-form of chabazite molecular sieve, and catalysts, systems and methods
EP2368628A1 (de) * 2010-03-25 2011-09-28 Paul Scherrer Institut Katalysator für eine DeNOx-Anwendung und Verfahren zur Auswahl der Verringerung von Stickstoffoxiden durch den Katalysator
WO2013024546A1 (ja) * 2011-08-18 2013-02-21 イビデン株式会社 ハニカム構造体および排ガス浄化装置
WO2013024545A1 (ja) 2011-08-18 2013-02-21 イビデン株式会社 複合粒子、ハニカム構造体及びその製造方法並びに排ガス浄化装置
EP2745935A4 (de) * 2011-08-18 2015-05-27 Ibiden Co Ltd Wabenstruktur, herstellungsverfahren dafür, abgasreinigungsvorrichtung und silicoaluminophosphatteilchen
JP5880527B2 (ja) * 2013-11-28 2016-03-09 トヨタ自動車株式会社 排ガス浄化用触媒
JP6964479B2 (ja) * 2017-10-03 2021-11-10 エヌ・イーケムキャット株式会社 希土類元素骨格置換ゼオライト及びその製造方法、並びにこれらを用いたＮＯｘ吸着材、選択的還元触媒及び自動車排ガス触媒

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595265B1 (fr) * 1986-03-07 1992-10-09 Pro Catalyse Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne
CA1295598C (en) * 1986-07-29 1992-02-11 Makoto Imanari Process for removing nitrogen oxides from exhaust gases
GB8728996D0 (en) * 1987-12-11 1988-01-27 Johnson Matthey Plc Catalysts
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
US5041407A (en) * 1989-12-14 1991-08-20 Allied-Signal Inc. High-temperature three-way catalyst for treating automotive exhaust gases
DE69026054T2 (de) * 1989-12-28 1996-10-02 Mitsubishi Heavy Ind Ltd Entstickungskatalysator für Abgase hoher Temperatur
IT1239319B (it) * 1990-04-11 1993-10-19 Ska Mangiatoia con regolazione di livello del mangime.
DE69125649T2 (de) 1990-05-28 1997-09-04 Agency Ind Science Techn Verfahren zum Entfernen von Stickoxiden aus Abgasen
US5238890A (en) * 1990-10-31 1993-08-24 Idemitsu Kosan Company Limited Exhaust gas purifying catalyst and an exhaust gas purifying method using the catalyst
US5380692A (en) * 1991-09-12 1995-01-10 Sakai Chemical Industry Co., Ltd. Catalyst for catalytic reduction of nitrogen oxide
JP3430422B2 (ja) * 1992-12-14 2003-07-28 財団法人石油産業活性化センター 窒素酸化物接触還元用触媒

Also Published As

Publication number Publication date
US5733837A (en) 1998-03-31
EP0624393A1 (de) 1994-11-17
EP0624393B1 (de) 2001-08-16
DE69427932T2 (de) 2002-04-04

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Legal Events

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