DE69101795D1 - Ceroxyde mit hoher spezifischer Oberfläche. - Google Patents
Ceroxyde mit hoher spezifischer Oberfläche.Info
- Publication number
- DE69101795D1 DE69101795D1 DE69101795T DE69101795T DE69101795D1 DE 69101795 D1 DE69101795 D1 DE 69101795D1 DE 69101795 T DE69101795 T DE 69101795T DE 69101795 T DE69101795 T DE 69101795T DE 69101795 D1 DE69101795 D1 DE 69101795D1
- Authority
- DE
- Germany
- Prior art keywords
- ceria
- stabilizer
- stabilized
- mixture
- surface area
- 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
Links
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 abstract 7
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 abstract 7
- 239000000203 mixture Substances 0.000 abstract 3
- 239000003381 stabilizer Substances 0.000 abstract 3
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 229910052779 Neodymium Inorganic materials 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 239000012693 ceria precursor Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 150000004679 hydroxides Chemical class 0.000 abstract 1
- 229910052746 lanthanum Inorganic materials 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 229910052727 yttrium Inorganic materials 0.000 abstract 1
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
- 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
-
- 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
-
- 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
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/235—Cerium oxides or hydroxides
-
- 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
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/241—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
-
- 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
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/247—Carbonates
-
- 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
-
- 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
- C01P2006/13—Surface area thermal stability thereof at high temperatures
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Silicon Compounds (AREA)
- Dental Preparations (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48472790A | 1990-02-23 | 1990-02-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69101795D1 true DE69101795D1 (de) | 1994-06-01 |
| DE69101795T2 DE69101795T2 (de) | 1994-08-11 |
Family
ID=23925357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69101795T Expired - Lifetime DE69101795T2 (de) | 1990-02-23 | 1991-02-13 | Ceroxyde mit hoher spezifischer Oberfläche. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0444470B1 (de) |
| JP (1) | JPH04214026A (de) |
| AT (1) | ATE104875T1 (de) |
| DE (1) | DE69101795T2 (de) |
| ZA (1) | ZA909211B (de) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19714707A1 (de) * | 1997-04-09 | 1998-10-15 | Degussa | Sauerstoff speicherndes Material mit hoher Temperaturstabilität sowie Verfahren zu seiner Herstellung |
| JP4443685B2 (ja) * | 1999-09-10 | 2010-03-31 | 三井金属鉱業株式会社 | 排気ガス浄化用助触媒の製造方法 |
| US6492297B1 (en) | 2000-09-15 | 2002-12-10 | Engelhard Corporation | Catalyst composition for purifying exhaust gas |
| US7887714B2 (en) * | 2000-12-25 | 2011-02-15 | Nissan Chemical Industries, Ltd. | Cerium oxide sol and abrasive |
| DE10132442A1 (de) * | 2001-07-04 | 2003-01-23 | Studiengesellschaft Kohle Mbh | Katalysatoren auf Ceroxid-Basis und deren Verwendung zur katalytischen Verbrennung |
| US7094383B2 (en) | 2004-12-14 | 2006-08-22 | Ctci Foundation | Method for preparing pure, thermally stable and high surface area ceria |
| FR2917646B1 (fr) * | 2007-06-20 | 2011-06-03 | Anan Kasei Co Ltd | Oxyde mixte a haute surface specifique de cerium et d'autre terre rare, procede de preparation et utilisation en catalyse |
| US9901906B2 (en) | 2009-11-25 | 2018-02-27 | Solvay Special Chem Japan, Ltd. | Complex oxide, method for producing same and exhaust gas purifying catalyst |
| US20120309614A1 (en) | 2009-12-25 | 2012-12-06 | Anan Kasei Co., Ltd. | Complex oxide, method for producing same, and exhaust gas purifying catalyst |
| WO2012101871A1 (ja) * | 2011-01-25 | 2012-08-02 | コニカミノルタホールディングス株式会社 | 研磨材微粒子及びその製造方法 |
| EP2716361B1 (de) | 2011-06-01 | 2018-03-28 | Rhodia Operations | Komplexes oxid, herstellungsverfahren dafür und abgasreinigungskatalysator |
| JP5911483B2 (ja) | 2011-06-01 | 2016-04-27 | ロデイア・オペラシヨン | 複合酸化物、その製造法及び排ガス浄化用触媒 |
| KR20160104701A (ko) | 2013-12-30 | 2016-09-05 | 존슨 맛쎄이 퍼블릭 리미티드 컴파니 | 도핑된 세리아를 사용한 선택적 촉매 환원 과정 |
| WO2019042910A1 (en) | 2017-08-29 | 2019-03-07 | Rhodia Operations | MIXED OXIDE WITH ENHANCED REDOX PROPERTIES |
| WO2020038222A1 (en) | 2018-08-24 | 2020-02-27 | Rhodia Operations | A microporous aluminotitanosilicate crystalline zeolite, method of preparation and applications thereof |
| CN113023762B (zh) * | 2021-04-22 | 2023-05-05 | 南开大学 | 一种高效的黑色二氧化铈材料的制备方法 |
| CN115448354B (zh) * | 2022-09-16 | 2023-10-31 | 包头稀土研究院 | 二氧化铈颗粒及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS522892B2 (de) * | 1972-09-30 | 1977-01-25 | ||
| US3892836A (en) * | 1974-01-07 | 1975-07-01 | Int Harvester Co | Sintered NO{HD x {b reduction catalysts |
| US4008254A (en) * | 1975-08-08 | 1977-02-15 | Monsanto Company | Ceria catalyzed conversion of phenols to dibenzofurans in the presence of water vapor |
| FR2584388B1 (fr) * | 1985-07-03 | 1991-02-15 | Rhone Poulenc Spec Chim | Composition a base d'oxyde cerique, sa preparation et ses utilisations |
-
1990
- 1990-11-16 ZA ZA909211A patent/ZA909211B/xx unknown
-
1991
- 1991-02-13 DE DE69101795T patent/DE69101795T2/de not_active Expired - Lifetime
- 1991-02-13 AT AT9191101969T patent/ATE104875T1/de not_active IP Right Cessation
- 1991-02-13 EP EP91101969A patent/EP0444470B1/de not_active Expired - Lifetime
- 1991-02-21 JP JP3047341A patent/JPH04214026A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ZA909211B (en) | 1991-09-25 |
| JPH04214026A (ja) | 1992-08-05 |
| DE69101795T2 (de) | 1994-08-11 |
| EP0444470B1 (de) | 1994-04-27 |
| ATE104875T1 (de) | 1994-05-15 |
| EP0444470A1 (de) | 1991-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |