DE60001760T2 - Produkt auf Basis von Aluminiumoxid, geeignet zur Verwendung als NOx Absorber - Google Patents

Produkt auf Basis von Aluminiumoxid, geeignet zur Verwendung als NOx Absorber

Info

Publication number
DE60001760T2
DE60001760T2 DE60001760T DE60001760T DE60001760T2 DE 60001760 T2 DE60001760 T2 DE 60001760T2 DE 60001760 T DE60001760 T DE 60001760T DE 60001760 T DE60001760 T DE 60001760T DE 60001760 T2 DE60001760 T2 DE 60001760T2
Authority
DE
Germany
Prior art keywords
aluminum oxide
product based
nox absorber
nox
absorber
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
DE60001760T
Other languages
English (en)
Other versions
DE60001760D1 (de
Inventor
Chaitanya Kumar Narula
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of DE60001760D1 publication Critical patent/DE60001760D1/de
Application granted granted Critical
Publication of DE60001760T2 publication Critical patent/DE60001760T2/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
    • B01D53/92—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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/031—Precipitation
    • B01J37/033—Using Hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/32—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state or in non-aqueous solution, e.g. sol-gel process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/34—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
    • C01F7/36—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts from organic aluminium salts
    • 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
    • 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
    • B01D2255/20738—Iron
    • 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
    • B01D2255/20746—Cobalt
    • 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
    • B01D2255/20753—Nickel
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/524—Spinel
DE60001760T 1999-01-11 2000-01-10 Produkt auf Basis von Aluminiumoxid, geeignet zur Verwendung als NOx Absorber Expired - Lifetime DE60001760T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/227,849 US6165932A (en) 1999-01-11 1999-01-11 Transition metal oxides useful in fabrication of NOx absorbent formulations

Publications (2)

Publication Number Publication Date
DE60001760D1 DE60001760D1 (de) 2003-04-30
DE60001760T2 true DE60001760T2 (de) 2003-10-16

Family

ID=22854723

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60001760T Expired - Lifetime DE60001760T2 (de) 1999-01-11 2000-01-10 Produkt auf Basis von Aluminiumoxid, geeignet zur Verwendung als NOx Absorber

Country Status (4)

Country Link
US (1) US6165932A (de)
EP (1) EP1020405B1 (de)
JP (1) JP2000202238A (de)
DE (1) DE60001760T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1151877C (zh) * 1999-02-12 2004-06-02 约翰森·马瑟公开有限公司 以过渡型氧化铝为载体的镍催化剂
FR2793161B1 (fr) * 1999-05-07 2001-10-12 Renault Dispositif d'epuration des gaz d'echappement pour moteur a combustion interne
FR2804619B1 (fr) * 2000-02-07 2002-08-02 Rhodia Terres Rares Procede pour le piegeage des nox dans le traitement de gaz en vue de la reduction des emissions d'oxyde d'azote utilisant un catalyseur a base de manganese
US6455463B1 (en) * 2001-03-13 2002-09-24 Delphi Technologies, Inc. Alkaline earth/transition metal lean NOx catalyst
GB0115729D0 (en) * 2001-06-28 2001-08-22 Univ Surrey Doped alumina catalysts
DE10308571B4 (de) * 2003-02-24 2014-05-08 Volkswagen Ag Verfahren zur Herstellung eines Komposit-Materials für die Speicherung von Stickoxiden, mit dem Verfahren hergestelltes Kompositmaterial sowie seine Verwendung
EA018085B1 (ru) * 2006-06-12 2013-05-30 Каптиджел Аб Гидрогели и гидрозоли оксидов металлов, их получение и применение
KR101593746B1 (ko) * 2013-06-03 2016-02-18 제일모직주식회사 유기금속화합물, 이의 제조방법 및 이를 이용한 탄산에스테르의 제조방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4244986A (en) * 1979-04-24 1981-01-13 Westinghouse Electric Corp. Method of forming sodium beta-Al2 O3 films and coatings
US4610866A (en) * 1985-10-11 1986-09-09 Battelle Memorial Institute Method for producing beta-aluminas
US5134107A (en) * 1991-09-06 1992-07-28 Ford Motor Company Single phase metal-alumina made by sol-gel processing
DE69427602T2 (de) * 1993-01-11 2001-11-22 Toyota Chuo Kenkyusho Aichi Kk Verfahren zur Reinigung von Abgasen
US5403807A (en) * 1993-02-08 1995-04-04 Ford Motor Company Single phase metal-alumina sol-gel process and material
FR2720296B1 (fr) * 1994-05-27 1996-07-12 Rhone Poulenc Chimie Composés à base d'alumine, d'oxyde de cérium et d'oxyde de zirconium à réductibilité élevée, leur procédé de préparation et leur utilisation dans la préparation de catalyseurs.
US6232253B1 (en) * 1994-09-23 2001-05-15 Ford Global Technologies, Inc. Sol-gel alumina membrane for lean NOx catalysts and method of making same
US5494863A (en) * 1994-12-13 1996-02-27 Vortec Corporation Process for nuclear waste disposal
JP3304771B2 (ja) * 1995-07-20 2002-07-22 トヨタ自動車株式会社 排ガス浄化用触媒

Also Published As

Publication number Publication date
US6165932A (en) 2000-12-26
EP1020405A2 (de) 2000-07-19
DE60001760D1 (de) 2003-04-30
EP1020405A3 (de) 2000-09-06
EP1020405B1 (de) 2003-03-26
JP2000202238A (ja) 2000-07-25

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: FORD GLOBAL TECHNOLOGIES, LLC (N.D.GES.D. STAATES

8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)