BE852590A - CATALYTIC GAS PURIFICATION PROCESS - Google Patents

CATALYTIC GAS PURIFICATION PROCESS

Info

Publication number
BE852590A
BE852590A BE6045935A BE6045935A BE852590A BE 852590 A BE852590 A BE 852590A BE 6045935 A BE6045935 A BE 6045935A BE 6045935 A BE6045935 A BE 6045935A BE 852590 A BE852590 A BE 852590A
Authority
BE
Belgium
Prior art keywords
gas purification
purification process
catalytic gas
catalytic
purification
Prior art date
Application number
BE6045935A
Other languages
French (fr)
Inventor
S J Knight
Original Assignee
Johnson Matthey 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
Application filed by Johnson Matthey Co Ltd filed Critical Johnson Matthey Co Ltd
Publication of BE852590A publication Critical patent/BE852590A/en

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
BE6045935A 1976-03-18 1977-03-17 CATALYTIC GAS PURIFICATION PROCESS BE852590A (en)

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
BE852590A true BE852590A (en) 1977-09-19

Family

ID=9977353

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6045935A BE852590A (en) 1976-03-18 1977-03-17 CATALYTIC GAS PURIFICATION PROCESS

Country Status (8)

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

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131123A (en) * 1982-02-01 1983-08-04 Toyota Motor Corp Filter for purifying exhaust gas in internal combustion engine
US4438082A (en) * 1982-09-30 1984-03-20 Engelhard Corporation Platinum gold catalyst for removing NOx and NH3 from gas streams
ZA837689B (en) * 1982-10-18 1984-06-27 Universal Matthey Prod Oxidation catalysts
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 (en) * 1987-04-08 1988-10-20 Agency Of Ind Science & Technol Immobilized oxide of metallic fine particle, production thereof, oxidation catalyst, reduction catalyst, combustible gas sensor element and catalyst for electrode
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
EP0455491A3 (en) * 1990-05-03 1992-03-18 Sakai Chemical Industry Co., Ltd., Catalysts and methods for denitrization
DE4041088A1 (en) * 1990-12-21 1992-07-02 Afs Entwicklungs & Vertriebs G Ozone removal from gas mixt. by filtering through two catalysts - first platinum@ to convert reactive gas to inert gas, then catalyst converting ozone to oxygen@
JP2801423B2 (en) * 1991-03-08 1998-09-21 住友金属鉱山 株式会社 Nitrogen oxide purification catalyst
KR950007916B1 (en) * 1991-05-10 1995-07-21 스미도모킨조구고오상 가부시기가이샤 Method for removing nitrogen exides from exhaust gases
US5298230A (en) * 1992-05-01 1994-03-29 Nalco Fuel Tech Process for the efficient catalytic reduction of nitrogen oxides
JP2618316B2 (en) * 1992-08-05 1997-06-11 財団法人石油産業活性化センター Catalyst for catalytic reduction of nitrogen oxides
JP3430422B2 (en) * 1992-12-14 2003-07-28 財団法人石油産業活性化センター Catalyst for catalytic reduction of nitrogen oxides
JP2631814B2 (en) * 1994-04-20 1997-07-16 株式会社リケン Exhaust gas purifying material and exhaust gas purifying method
EP0954370B1 (en) * 1997-01-22 2003-04-09 Anglo American Research Laboratories (Proprietary) Limited Reduction of nitrogen oxide
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
BG62687B1 (en) * 1997-05-15 2000-05-31 "Ламан-Консулт"Оод Gold catalyst for the oxidation of carbon oxide and hydrocarbons, reduction of nitrogen oxides and ozone decomposition
US6592833B1 (en) * 1999-10-18 2003-07-15 Delphi Technologies, Inc. Method of NOx abatement in high temperature lean NOx catalyst systems
JP2002052379A (en) * 2000-08-09 2002-02-19 Babcock Hitachi Kk Method and apparatus for cleaning ammonia-containing wastewater
US7829033B2 (en) 2003-07-03 2010-11-09 Fuel Tech, Inc. Selective catalytic reduction of NOx enabled by sidestream urea decomposition
JP2004514828A (en) 2000-12-01 2004-05-20 フューエル　テック　インコーポレーテッド Selective catalytic reduction of NOx enabled by side-stream urea decomposition
JP4969843B2 (en) 2005-12-09 2012-07-04 新日鉄マテリアルズ株式会社 Exhaust gas purification catalyst and exhaust gas purification catalyst member
CN101583412A (en) 2006-08-22 2009-11-18 巴布科克能源公司 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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213935A1 (en) * 1971-03-23 1972-09-28 Johnson, Matthey & Co. Ltd., London Thermally conductive catalysts - on metal carriers for improved temp control and yield
US3784675A (en) * 1971-08-02 1974-01-08 Gulf Research Development Co Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines
GB1414133A (en) * 1971-11-18 1975-11-19 Johnson Matthey Co Ltd Catalysis
US4076792A (en) * 1972-04-12 1978-02-28 Corning Glass Works Catalyst systems for the reduction of the oxides of nitrogen

Also Published As

Publication number Publication date
CA1100292A (en) 1981-05-05
JPS52116779A (en) 1977-09-30
SE7703019L (en) 1977-09-19
GB1581628A (en) 1980-12-17
ZA771544B (en) 1978-01-25
DE2712009A1 (en) 1977-09-22
FR2344323A1 (en) 1977-10-14

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