NO994794L - Ceriumoksider, zirkoniumoksider, Ce/Zr-blandingsoksider og faste Ce/Zr-lösninger med forbedret termisk stabilitet og oksygenlagringskapasitet - Google Patents
Ceriumoksider, zirkoniumoksider, Ce/Zr-blandingsoksider og faste Ce/Zr-lösninger med forbedret termisk stabilitet og oksygenlagringskapasitetInfo
- Publication number
- NO994794L NO994794L NO994794A NO994794A NO994794L NO 994794 L NO994794 L NO 994794L NO 994794 A NO994794 A NO 994794A NO 994794 A NO994794 A NO 994794A NO 994794 L NO994794 L NO 994794L
- Authority
- NO
- Norway
- Prior art keywords
- oxides
- zirconia
- solutions
- solid
- storage capacity
- Prior art date
Links
- 229910000420 cerium oxide Inorganic materials 0.000 title abstract 2
- DRVWBEJJZZTIGJ-UHFFFAOYSA-N cerium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Ce+3].[Ce+3] DRVWBEJJZZTIGJ-UHFFFAOYSA-N 0.000 title abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 title 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 0.000 title 1
- 239000007787 solid Substances 0.000 title 1
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical class [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract 1
Classifications
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- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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- 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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- 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
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- 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
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- 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
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
- C01B13/0262—Physical processing only by adsorption on solids characterised by the adsorbent
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- 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
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
- C01B13/0281—Physical processing only by adsorption on solids in getters
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- 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/02—Oxides
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
- C07C5/333—Catalytic processes
- C07C5/3332—Catalytic processes with metal oxides or metal sulfides
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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
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- 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
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- 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
- C01P2006/80—Compositional purity
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- 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
- C01P2006/90—Other properties not specified above
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of rare earths
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Fremstilling av ceriumoksider, zirkoniumoksider, (Ce,Zr)O2-blandingsoksi- der og faste (Ce,Zr)O2-IØsninger med forbedret partikkelstørrelsesfordeling, overflateareal, oksygenlagringskapasitet og porevolum, ved tilsetting av et additiv, så som et anionisk eller ikke-ionisk overflateaktivt middel, under dannelsen av oksidene eller forløperne for disse.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4269397P | 1997-04-04 | 1997-04-04 | |
US08/837,631 US6133194A (en) | 1997-04-21 | 1997-04-21 | Cerium oxides, zirconium oxides, Ce/Zr mixed oxides and Ce/Zr solid solutions having improved thermal stability and oxygen storage capacity |
PCT/US1998/006437 WO1998045212A1 (en) | 1997-04-04 | 1998-04-01 | CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY |
Publications (2)
Publication Number | Publication Date |
---|---|
NO994794D0 NO994794D0 (no) | 1999-10-01 |
NO994794L true NO994794L (no) | 1999-12-01 |
Family
ID=26719523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO994794A NO994794L (no) | 1997-04-04 | 1999-10-01 | Ceriumoksider, zirkoniumoksider, Ce/Zr-blandingsoksider og faste Ce/Zr-lösninger med forbedret termisk stabilitet og oksygenlagringskapasitet |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU6876098A (no) |
NO (1) | NO994794L (no) |
WO (1) | WO1998045212A1 (no) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
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DE60033328T2 (de) * | 1999-03-05 | 2007-11-22 | Daiichi Kigenso Kagaku Kogyo Co. Ltd. | Mischoxid auf Basis von Cerium und Zirkonium, Verfahren zu dessen Herstellung; das Mischoxid enthaltender Katalysator und Anwendung des Katalysators zur Abgasreinigung |
US6464946B1 (en) * | 1999-05-07 | 2002-10-15 | Daihatsu Motor Co., Ltd. | Catalytic converter for cleaning exhaust gas |
US6204219B1 (en) | 1999-07-29 | 2001-03-20 | W. R. Grace & Co.-Conn. | Thermally stable support material and method for making the same |
WO2002034842A1 (en) * | 2000-10-27 | 2002-05-02 | Oxonica Limited | Coated metal oxides and hydroxides |
ATE537845T1 (de) * | 2000-10-31 | 2012-01-15 | Pr Pharmaceuticals Inc | Verfahren zur herstellung von formulierungen zur verbesserten abgabe von bioaktiven molekülen |
US6528451B2 (en) * | 2001-03-13 | 2003-03-04 | W.R. Grace & Co.-Conn. | Catalyst support material having high oxygen storage capacity and method of preparation thereof |
GB0112000D0 (en) * | 2001-05-16 | 2001-07-11 | Oxonica Ltd | Comminution of coated metal oxides and hydroxides |
GB2381530A (en) * | 2001-11-01 | 2003-05-07 | Oxonica Ltd | Water-soluble particles of luminescent materials and their use in Biotagging |
FR2852592B1 (fr) * | 2003-03-18 | 2007-02-23 | Rhodia Elect & Catalysis | Compositions a base d'un oxyde de cerium, d'un oxyde de zirconium et, eventuellement d'un oxyde d'une autre terre rare, a surface specifique elevee a 1100 c, leur procede de preparation et leur utilisation comme catalyseur |
FR2852591B1 (fr) * | 2003-03-18 | 2006-06-16 | Rhodia Elect & Catalysis | Composition a base d'oxyde de zirconium et d'oxyde de cerium a temperature maximale de reductibilite reduite, son procede de preparation et son utilisation comme catalyseur |
FR2859470B1 (fr) | 2003-09-04 | 2006-02-17 | Rhodia Elect & Catalysis | Composition a base d'oxyde de cerium et d'oxyde de zirconium a reductibilite et surface elevees, procede de preparation et utilisation comme catalyseur |
FR2866871B1 (fr) | 2004-02-26 | 2007-01-19 | Rhodia Chimie Sa | Composition a base d'oxydes de zirconium, de praseodyme, de lanthane ou de neodyme, procede de preparation et utilisation dans un systeme catalytique |
FR2868768B1 (fr) | 2004-04-07 | 2007-07-20 | Rhodia Chimie Sa | Composition a base d'oxydes de zirconium et d'ytrium, procede de preparation et utilisation dans un systeme catalytique |
FR2885308B1 (fr) * | 2005-05-04 | 2007-07-06 | Eastman Kodak Co | Procede pour maintenir l'etat de dispersion d'une solution colloidale de particules d'oxyde metallique |
FR2887469B1 (fr) | 2005-06-27 | 2008-01-04 | Rhodia Chimie Sa | Procede de traitement de gaz pour l'oxydation catalytique du monoxyde de carbone et des hydrocarbures utilisant une composition a base d'un metal et d'une zircone comprenant de la silice |
WO2007093593A1 (fr) | 2006-02-17 | 2007-08-23 | Rhodia Operations | Composition a base d'oxydes de zirconium, de cerium, d'yttrium, de lanthane et d'une autre terre rare, procede de preparation et utilisation en catalyse |
FR2898887B1 (fr) * | 2006-03-21 | 2008-05-02 | Rhodia Recherches & Tech | Composition a base d'oxyde de zirconium et d'oxyde de cerium a reductibilite elevee et a surface specifique stable procede de preparation et utilisation dans le traitement des gaz d'echappement |
FR2900920B1 (fr) * | 2006-05-15 | 2008-07-11 | Rhodia Recherches & Tech | Composition a base d'oxides de zirconium, de cerium, de lanthane et d'yttrium, de gadolinium ou de samarium, a surface specifique stable, procede de preparation et utilisation comme catalyseur |
PL2024084T3 (pl) * | 2006-05-15 | 2020-01-31 | RHODIA OPéRATIONS | Kompozycja na bazie tlenków cyrkonu, ceru, lantanu i itru, gadolinu lub samaru, o dużej powierzchni właściwej i zdolności do redukcji, i zastosowanie jako katalizator |
EP1894620B2 (en) | 2006-08-22 | 2023-06-07 | Daiichi Kigenso Kagaku Kogyo Co., Ltd. | Method to produce a porous zirconia powder |
US8883865B2 (en) | 2006-09-05 | 2014-11-11 | Cerion Technology, Inc. | Cerium-containing nanoparticles |
US10435639B2 (en) | 2006-09-05 | 2019-10-08 | Cerion, Llc | Fuel additive containing lattice engineered cerium dioxide nanoparticles |
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FR2955098B1 (fr) | 2010-01-11 | 2014-09-05 | Rhodia Operations | Composition a base d'oxydes de zirconium, de cerium et d'une autre terre rare a temperature maximale de reductibilite reduite, procede de preparation et utilisation dans le domaine de la catalyse. |
FR2959735B1 (fr) | 2010-05-06 | 2012-06-22 | Rhodia Operations | Composition a base d'oxydes de zirconium, de cerium d'au moins une autre terre rare, a porosite specifique, procede de preparation et utilisation en catalyse. |
FR2967993B1 (fr) | 2010-11-30 | 2018-04-06 | Rhodia Operations | Composition a base d'oxyde de zirconium et d'au moins un oxyde d'une terre rare autre que le cerium, a porosite specifique, ses procedes de preparation et son utilisation en catalyse |
FR2973793A1 (fr) * | 2011-04-08 | 2012-10-12 | Rhodia Operations | Composition a base d'oxydes de zirconium, de cerium, d'au moins une terre rare autre que le cerium et de silicium, procedes de preparation et utilisation en catalyse |
FR2976574B1 (fr) | 2011-06-17 | 2013-05-31 | Rhodia Operations | Composition a base d'oxydes de cerium, de zirconium et d'une autre terre rare a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse. |
FR2977582B1 (fr) * | 2011-07-04 | 2014-07-11 | Rhodia Operations | Composition consistant en un oxyde mixte de zirconium et de cerium a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse |
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GB201518996D0 (en) | 2015-10-27 | 2015-12-09 | Magnesium Elektron Ltd | Zirconia-based compositions for use as three-way catalysts |
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JP2022515640A (ja) | 2018-12-28 | 2022-02-21 | ローディア オペレーションズ | 酸化セリウム粒子及びその製造方法 |
CN113164920A (zh) | 2018-12-28 | 2021-07-23 | 罗地亚经营管理公司 | 氧化铈用于制备贫NOx捕集催化组合物的用途以及使用该组合物处理排气的方法 |
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EP3927464A1 (en) * | 2020-02-27 | 2021-12-29 | Neo Performance Materials (Singapore), PTE. LTD. | Compositions containing zirconium and cerium and methods for preparing same using oxalic acid and an alcohol |
BR112022017111A2 (pt) * | 2020-03-16 | 2022-11-16 | Neo Performance Mat Singapore Pte Ltd | Composições contendo zircônio e cério e métodos para preparar as mesmas usando ácido oxálico e secagem supercrítica |
KR20220028810A (ko) * | 2020-08-31 | 2022-03-08 | 주식회사 엘지화학 | 세리아-지르코니아 복합 산화물의 제조방법, 세리아-지르코니아 복합 산화물, 이를 포함하는 촉매 및 부타디엔의 제조방법 |
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CN113813954B (zh) * | 2021-09-26 | 2023-06-20 | 南京大学 | 一种层状CeO2-x材料及其制备方法和应用 |
CN114177902B (zh) * | 2021-12-14 | 2023-09-15 | 西华师范大学 | 一种具有微米级大孔的铈锆固溶体及其制备方法和应用 |
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FR2699524B1 (fr) * | 1992-12-21 | 1995-02-10 | Rhone Poulenc Chimie | Composition à base d'un oxyde mixte de cérium et de zirconium, préparation et utilisation. |
JP3041662B2 (ja) * | 1993-06-21 | 2000-05-15 | 三徳金属工業株式会社 | 酸素吸収・放出能を有する複合酸化物、その製造法、及びその使用方法 |
DE4437252A1 (de) * | 1994-10-18 | 1996-04-25 | Basf Ag | Katalysator und Verfahren für die katalytische oxidative Dehydrierung von Alkylaromaten und Paraffinen |
US5958827A (en) * | 1995-12-07 | 1999-09-28 | Toyota Jidosha Kabushiki Kaisha | Solid solution particle of oxides, a process for producing the same and a catalyst for purifying exhaust gases |
FR2748740B1 (fr) * | 1996-05-15 | 1998-08-21 | Rhone Poulenc Chimie | Composition a base d'oxyde de cerium et d'oxyde de zirconium a haute surface specifique et a capacite elevee de stockage d'oxygene, procede de preparation et utilisation en catalyse |
BR9712315A (pt) * | 1996-10-15 | 2001-01-23 | Rhodia | Ëxodos de cério e zircÈnico, óxidos misturados e soluções sólidas tenddo estabelidade térmica aperfeiçoada para catálide de sistemas de gás de descarga e método de produção |
-
1998
- 1998-04-01 WO PCT/US1998/006437 patent/WO1998045212A1/en not_active Application Discontinuation
- 1998-04-01 AU AU68760/98A patent/AU6876098A/en not_active Abandoned
-
1999
- 1999-10-01 NO NO994794A patent/NO994794L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1998045212A1 (en) | 1998-10-15 |
NO994794D0 (no) | 1999-10-01 |
AU6876098A (en) | 1998-10-30 |
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