BR0009995A - Composition usable as a nox collector, gas treatment process, catalytic system for the treatment of an exhaust gas from an internal combustion engine and use of a composition - Google Patents

Composition usable as a nox collector, gas treatment process, catalytic system for the treatment of an exhaust gas from an internal combustion engine and use of a composition

Info

Publication number
BR0009995A
BR0009995A BR0009995-3A BR0009995A BR0009995A BR 0009995 A BR0009995 A BR 0009995A BR 0009995 A BR0009995 A BR 0009995A BR 0009995 A BR0009995 A BR 0009995A
Authority
BR
Brazil
Prior art keywords
composition
treatment
combustion engine
internal combustion
gas
Prior art date
Application number
BR0009995-3A
Other languages
Portuguese (pt)
Inventor
Thierry Birchem
Catherine Hedouin
Thierry Seguelong
Original Assignee
Rhodia Chimie Sa
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 Rhodia Chimie Sa filed Critical Rhodia Chimie Sa
Publication of BR0009995A publication Critical patent/BR0009995A/en

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
    • B01D53/92—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
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • B01D2255/2022—Potassium
    • 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
    • B01D2255/2042—Barium
    • 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
    • B01D2255/2073—Manganese

Abstract

"COMPOSIçãO UTILIZáVEL COMO COLETOR DE TRATAMENTO DE GáS, SISTEMA CATALìTICO PARA O TRATAMENTO DE UM GáS DE ESCAPAMENTO DE MOTOR DE COMBUSTãO INTERNA E, UTILIZAçãO DE UMA COMPOSIçãO". A invenção refere-se a uma composição utilizável como coletor de NOx no tratamento de gases de escapamento. Esta composição compreende um suporte e uma fase ativa, e ela é caracterizada em que a fase ativa é à base de manganês, e de pelo menos um outro elemento A escolhido dentre os alcalino terrosos e as terras raras, e em que ela apresenta ou é susceptível de apresentar uma superfície especifica de pelo menos 10 m^ 2^/g após calcinação 8 horas a 800<198>C. O suporte pode ser à base de alumina ou alumina estabilizada por silício, zircónio, bário ou uma terra rara; ou ainda à base de sílica ou de sílica e óxido de titânio."COMPOSITION USABLE AS GAS TREATMENT COLLECTOR, CATALYTIC SYSTEM FOR THE TREATMENT OF AN INTERNAL COMBUSTION ENGINE EXHAUST GAS AND USE OF A COMPOSITION". The invention relates to a composition usable as a NOx collector in the treatment of exhaust gases. This composition comprises a support and an active phase, and it is characterized in that the active phase is based on manganese, and at least one other element A chosen from alkaline earth and rare earths, and in which it presents or is likely to have a specific surface of at least 10 m ^ 2 ^ / g after calcination 8 hours at 800 <198> C. The support can be based on alumina or alumina stabilized by silicon, zirconium, barium or a rare earth; or even based on silica or silica and titanium oxide.

BR0009995-3A 1999-04-23 2000-04-18 Composition usable as a nox collector, gas treatment process, catalytic system for the treatment of an exhaust gas from an internal combustion engine and use of a composition BR0009995A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9905187A FR2792547B1 (en) 1999-04-23 1999-04-23 COMPOSITION FOR USE AS A NOx TRAP, BASED ON MANGANESE AND AN ALKALINE EARTH OR RARE EARTH, AND USE IN THE TREATMENT OF EXHAUST GASES
PCT/FR2000/001008 WO2000064580A1 (en) 1999-04-23 2000-04-18 COMPOSITION USABLE AS NOx TRAP, BASED ON MANGANESE AND AN ALKALINE-EARTH OR A RARE EARTH AND USE IN THE TREATMENT OF EXHAUST GASES

Publications (1)

Publication Number Publication Date
BR0009995A true BR0009995A (en) 2002-03-26

Family

ID=9544800

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0009995-3A BR0009995A (en) 1999-04-23 2000-04-18 Composition usable as a nox collector, gas treatment process, catalytic system for the treatment of an exhaust gas from an internal combustion engine and use of a composition

Country Status (10)

Country Link
EP (1) EP1181094A1 (en)
JP (1) JP2002542029A (en)
KR (1) KR100420909B1 (en)
CN (1) CN1132681C (en)
BR (1) BR0009995A (en)
CA (1) CA2371276A1 (en)
FR (1) FR2792547B1 (en)
NO (1) NO20015161L (en)
WO (1) WO2000064580A1 (en)
ZA (1) ZA200108713B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0022786D0 (en) 2000-09-16 2000-11-01 Johnson Matthey Plc NOx-Trap composition
US6727202B2 (en) 2001-08-21 2004-04-27 Engelhard Corporation Enhanced NOx trap having increased durability
US6756338B2 (en) 2001-09-19 2004-06-29 Johnson Matthey Public Limited Company Lean NOx trap/conversion catalyst
FR2841438A1 (en) * 2002-06-26 2004-01-02 Rhodia Elect & Catalysis CIGARETTE COMPRISING A CATALYST FOR THE TREATMENT OF SMOKE
US8701681B2 (en) 2003-10-27 2014-04-22 Philip Morris Usa Inc. Use of oxyhydroxide compounds in cigarette paper for reducing carbon monoxide in the mainstream smoke of a cigarette
EP3067319A1 (en) * 2015-03-09 2016-09-14 SASOL Germany GmbH Nox trap catalyst support material with improved stability against baal2o4 formation
EP3351300A1 (en) * 2017-01-20 2018-07-25 SASOL Germany GmbH Manganese oxide containing alumina composition, a method for manufacturing the same and use thereof
CN113574253A (en) * 2019-03-20 2021-10-29 巴斯夫公司 Adjustable NOx adsorber
CN110141901B (en) * 2019-05-15 2021-06-01 安吉润风空气净化科技有限公司 Filter screen with oxidation resistance
WO2021165697A1 (en) * 2020-02-21 2021-08-26 Johnson Matthey Public Limited Company Novel twc catalysts for gasoline engine exhaust gas treatments
CN115672367A (en) * 2022-10-31 2023-02-03 触媒净化技术(南京)有限公司 Glass fiber corrugated plate type blast furnace gas carbonyl sulfide hydrolysis catalyst and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876398A (en) * 1988-06-10 1989-10-24 China Petrochemical Development Corporation Preparation of ortho-alkylated phenols in the presence of a catalyst prepared by co-precipitation process
US5290530A (en) * 1991-05-31 1994-03-01 Kabushiki Kaisha Riken Method of cleaning exhaust gas
FR2738756B1 (en) * 1995-09-20 1998-12-11 Rhone Poulenc Chimie PROCESS FOR THE TREATMENT OF HIGH OXYGEN CONTENT FOR REDUCING NITROGEN OXIDE EMISSIONS USING A CATALYTIC COMPOSITION COMPRISING MANGANESE OXIDE AND CERIUM AND / OR ZIRCONIUM OXIDE
JP3377676B2 (en) * 1996-04-05 2003-02-17 ダイハツ工業株式会社 Exhaust gas purification catalyst
FR2791907B1 (en) * 1999-04-12 2002-06-21 Rhodia Chimie Sa COMPOSITIONS FOR USE AS A NOx TRAP, BASED ON MANGANESE AND AN ALKALINE OR AN ALKALINE EARTH AND USE IN THE TREATMENT OF EXHAUST GASES

Also Published As

Publication number Publication date
CA2371276A1 (en) 2000-11-02
ZA200108713B (en) 2002-08-22
JP2002542029A (en) 2002-12-10
FR2792547B1 (en) 2001-07-06
CN1132681C (en) 2003-12-31
WO2000064580A1 (en) 2000-11-02
KR20020007386A (en) 2002-01-26
KR100420909B1 (en) 2004-03-02
EP1181094A1 (en) 2002-02-27
NO20015161D0 (en) 2001-10-22
FR2792547A1 (en) 2000-10-27
NO20015161L (en) 2001-12-20
CN1351518A (en) 2002-05-29

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1925 DE 27/11/2007.