FR2344323A1 - Procede de purification catalytique de gaz - Google Patents

Procede de purification catalytique de gaz

Info

Publication number
FR2344323A1
FR2344323A1 FR7707960A FR7707960A FR2344323A1 FR 2344323 A1 FR2344323 A1 FR 2344323A1 FR 7707960 A FR7707960 A FR 7707960A FR 7707960 A FR7707960 A FR 7707960A FR 2344323 A1 FR2344323 A1 FR 2344323A1
Authority
FR
France
Prior art keywords
gas purification
purification process
catalytic gas
catalytic
purification
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.)
Withdrawn
Application number
FR7707960A
Other languages
English (en)
Inventor
Stephen John Knight
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of FR2344323A1 publication Critical patent/FR2344323A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1028—Iridium
    • 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
    • B01D2255/2063—Lanthanum
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7707960A 1976-03-18 1977-03-17 Procede de purification catalytique de gaz Withdrawn FR2344323A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10953/76A GB1581628A (en) 1976-03-18 1976-03-18 Catalytic purification of automobile exhaust gases

Publications (1)

Publication Number Publication Date
FR2344323A1 true FR2344323A1 (fr) 1977-10-14

Family

ID=9977353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7707960A Withdrawn FR2344323A1 (fr) 1976-03-18 1977-03-17 Procede de purification catalytique de gaz

Country Status (8)

Country Link
JP (1) JPS52116779A (fr)
BE (1) BE852590A (fr)
CA (1) CA1100292A (fr)
DE (1) DE2712009A1 (fr)
FR (1) FR2344323A1 (fr)
GB (1) GB1581628A (fr)
SE (1) SE7703019L (fr)
ZA (1) ZA771544B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107471A3 (en) * 1982-10-18 1984-05-30 Universal Matthey Products Limited Oxidation catalysts
EP0455491A2 (fr) * 1990-05-03 1991-11-06 Sakai Chemical Industry Co., Ltd., Catalysateurs et procédés pour la dénitration
EP0512506A1 (fr) * 1991-05-10 1992-11-11 Sumitomo Metal Mining Company Limited Méthode d'élimination d'oxydes d'azote dans les gaz d'échappement
EP0602602A1 (fr) * 1992-12-14 1994-06-22 Sakai Chemical Industry Co., Ltd., Catalyseur pour la réduction catalytique d'oxydes d'azote
WO1998032524A1 (fr) * 1997-01-22 1998-07-30 Anglo American Research Laboratories (Proprietary) Limited Reduction de l'oxyde d'azote
WO1998051401A1 (fr) * 1997-05-15 1998-11-19 Laman Consultancy Limited Catalyseur a base d'or pour la purification de gaz d'echappement

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131123A (ja) * 1982-02-01 1983-08-04 Toyota Motor Corp 内燃機関の排出ガス浄化用フイルタ
US4438082A (en) * 1982-09-30 1984-03-20 Engelhard Corporation Platinum gold catalyst for removing NOx and NH3 from gas streams
US4657880A (en) * 1985-03-18 1987-04-14 Corning Glass Works Preparation of high surface area agglomerates for catalyst support and preparation of monolithic support structures containing them
JPS63252908A (ja) * 1987-04-08 1988-10-20 Agency Of Ind Science & Technol 金超微粒子固定化酸化物、その製造法、酸化触媒、還元触媒、可燃性ガスセンサ素子、及び電極用触媒
JPS6483513A (en) * 1987-09-24 1989-03-29 Agency Ind Science Techn Ultrafine gold particle immobilized alkaline earth metallic compound, production thereof, oxidation catalyst, reduction catalyst and combustible gas sensor element
DE4041088A1 (de) * 1990-12-21 1992-07-02 Afs Entwicklungs & Vertriebs G Verfahren zur beseitigung von ozon aus gasgemischen
JP2801423B2 (ja) * 1991-03-08 1998-09-21 住友金属鉱山 株式会社 窒素酸化物浄化触媒
US5298230A (en) * 1992-05-01 1994-03-29 Nalco Fuel Tech Process for the efficient catalytic reduction of nitrogen oxides
JP2618316B2 (ja) * 1992-08-05 1997-06-11 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
JP2631814B2 (ja) * 1994-04-20 1997-07-16 株式会社リケン 排ガス浄化材及び排ガス浄化方法
US6361754B1 (en) 1997-03-27 2002-03-26 Clean Diesel Technologies, Inc. Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction
US5976475A (en) * 1997-04-02 1999-11-02 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reduction
US5924280A (en) * 1997-04-04 1999-07-20 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine while maximizing fuel economy
US5968464A (en) 1997-05-12 1999-10-19 Clean Diesel Technologies, Inc. Urea pyrolysis chamber and process for reducing lean-burn engine NOx emissions by selective catalytic reduction
US6592833B1 (en) * 1999-10-18 2003-07-15 Delphi Technologies, Inc. Method of NOx abatement in high temperature lean NOx catalyst systems
JP2002052379A (ja) * 2000-08-09 2002-02-19 Babcock Hitachi Kk アンモニア含有排水の浄化方法および装置
KR20020081294A (ko) 2000-12-01 2002-10-26 퓨얼 테크 인코포레이티드 사이드 스트림 요소 분해에 의하여 실행되는 산화질소의선택적 촉매 환원법
US7829033B2 (en) 2003-07-03 2010-11-09 Fuel Tech, Inc. Selective catalytic reduction of NOx enabled by sidestream urea decomposition
JP4969843B2 (ja) 2005-12-09 2012-07-04 新日鉄マテリアルズ株式会社 排ガス浄化用触媒及び排ガス浄化触媒部材
US7682586B2 (en) 2006-08-22 2010-03-23 Babcock Power Environmental, Inc. Thermal decomposition of urea in a side stream of combustion flue gas using a regenerative heat exchanger
US20080267837A1 (en) 2007-04-27 2008-10-30 Phelps Calvin E Conversion of urea to reactants for NOx reduction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213935A1 (de) * 1971-03-23 1972-09-28 Johnson, Matthey & Co. Ltd., London Katalysator
FR2148137A1 (fr) * 1971-08-02 1973-03-11 Gulf Research Development Co
FR2160582A1 (fr) * 1971-11-18 1973-06-29 Johnson Matthey Co Ltd
FR2179982A1 (fr) * 1972-04-12 1973-11-23 Corning Glass Works

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213935A1 (de) * 1971-03-23 1972-09-28 Johnson, Matthey & Co. Ltd., London Katalysator
FR2148137A1 (fr) * 1971-08-02 1973-03-11 Gulf Research Development Co
FR2160582A1 (fr) * 1971-11-18 1973-06-29 Johnson Matthey Co Ltd
FR2179982A1 (fr) * 1972-04-12 1973-11-23 Corning Glass Works

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107471A3 (en) * 1982-10-18 1984-05-30 Universal Matthey Products Limited Oxidation catalysts
EP0455491A2 (fr) * 1990-05-03 1991-11-06 Sakai Chemical Industry Co., Ltd., Catalysateurs et procédés pour la dénitration
EP0455491A3 (en) * 1990-05-03 1992-03-18 Sakai Chemical Industry Co., Ltd., Catalysts and methods for denitrization
EP0512506A1 (fr) * 1991-05-10 1992-11-11 Sumitomo Metal Mining Company Limited Méthode d'élimination d'oxydes d'azote dans les gaz d'échappement
EP0602602A1 (fr) * 1992-12-14 1994-06-22 Sakai Chemical Industry Co., Ltd., Catalyseur pour la réduction catalytique d'oxydes d'azote
US5474965A (en) * 1992-12-14 1995-12-12 Sakai Chemical Industry Co., Ltd. Catalyst for catalytic reduction of nitrogen oxide
WO1998032524A1 (fr) * 1997-01-22 1998-07-30 Anglo American Research Laboratories (Proprietary) Limited Reduction de l'oxyde d'azote
WO1998051401A1 (fr) * 1997-05-15 1998-11-19 Laman Consultancy Limited Catalyseur a base d'or pour la purification de gaz d'echappement

Also Published As

Publication number Publication date
SE7703019L (sv) 1977-09-19
DE2712009A1 (de) 1977-09-22
ZA771544B (en) 1978-01-25
BE852590A (fr) 1977-09-19
CA1100292A (fr) 1981-05-05
JPS52116779A (en) 1977-09-30
GB1581628A (en) 1980-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse