FI896265A0 - Cerium oxide with improved morphological characteristics and method of preparation - Google Patents
Cerium oxide with improved morphological characteristics and method of preparationInfo
- Publication number
- FI896265A0 FI896265A0 FI896265A FI896265A FI896265A0 FI 896265 A0 FI896265 A0 FI 896265A0 FI 896265 A FI896265 A FI 896265A FI 896265 A FI896265 A FI 896265A FI 896265 A0 FI896265 A0 FI 896265A0
- Authority
- FI
- Finland
- Prior art keywords
- morphological characteristics
- preparation
- cerium oxide
- improved morphological
- oxide
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C01F17/30—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/04—Compounds with a limited amount of crystallinty, e.g. as indicated by a crystallinity index
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/60—Compounds characterised by their crystallite size
-
- 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
-
- 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
- C01P2006/14—Pore volume
-
- 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
- C01P2006/16—Pore diameter
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Catalysts (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Cosmetics (AREA)
- Glass Compositions (AREA)
Abstract
A ceric oxide with new morphological characteristics. The invention also applies to one of the processes for obtaining the said oxide. The process of the invention is characterised in that a ceric hydroxide prepared by hydrolysis of a solution of a cerium(IV) salt in a basic medium is subjected to a thermal treatment in solvent before the calcining operation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8817069 | 1988-12-23 | ||
FR8817069A FR2640954B1 (en) | 1988-12-23 | 1988-12-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI896265A0 true FI896265A0 (en) | 1989-12-22 |
FI97374B FI97374B (en) | 1996-08-30 |
FI97374C FI97374C (en) | 1996-12-10 |
Family
ID=9373335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI896265A FI97374C (en) | 1988-12-23 | 1989-12-22 | Cerium oxide with improved morphological properties and process for its preparation |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0388567B1 (en) |
JP (1) | JPH0832555B2 (en) |
KR (1) | KR920007596B1 (en) |
AT (1) | ATE120436T1 (en) |
AU (1) | AU639425B2 (en) |
BR (1) | BR8906721A (en) |
CA (1) | CA2006563C (en) |
DE (1) | DE68921977T2 (en) |
ES (1) | ES2072913T3 (en) |
FI (1) | FI97374C (en) |
FR (1) | FR2640954B1 (en) |
NO (1) | NO178854C (en) |
ZA (1) | ZA899764B (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2677347B1 (en) * | 1991-06-05 | 1993-08-20 | Rhone Poulenc Chimie | COMPOSITION BASED ON CERIC OXIDE, ITS PREPARATION AND USES THEREOF. |
FR2684662B1 (en) * | 1991-12-09 | 1994-05-06 | Rhone Poulenc Chimie | COMPOSITION BASED ON CERIC OXIDE, PREPARATION AND USE. |
JP5168527B2 (en) * | 2001-01-18 | 2013-03-21 | 株式会社豊田中央研究所 | Oxide powder and production method thereof |
CN1290770C (en) * | 2001-09-07 | 2006-12-20 | 阿南化成株式会社 | Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification |
ATE345747T1 (en) | 2003-01-23 | 2006-12-15 | Dinkelacker Wolfgang | BONE IMPLANT AND METHOD FOR THE PRODUCTION THEREOF |
KR100682233B1 (en) * | 2004-07-29 | 2007-02-12 | 주식회사 엘지화학 | Cerium Oxide Powder and Process for Producing the Same |
JP4561975B2 (en) * | 2004-09-14 | 2010-10-13 | 第一稀元素化学工業株式会社 | Ceria sol and method for producing the same |
FR2962431B1 (en) | 2010-07-07 | 2018-01-19 | Rhodia Operations | COMPOSITION BASED ON OXIDES OF CERIUM, NIOBIUM AND, POSSIBLY, ZIRCONIUM AND ITS USE IN CATALYSIS. |
FR2965189A1 (en) | 2010-09-29 | 2012-03-30 | Rhodia Operations | PROCESS FOR TREATING GAS CONTAINING NITROGEN OXIDES (NOX) USING AS CATALYST A COMPOSITION BASED ON CERIUM OXIDE AND NIOBIUM OXIDE |
JP5589996B2 (en) * | 2011-09-12 | 2014-09-17 | 株式会社日立製作所 | Carbon dioxide capture material |
CN102992384B (en) * | 2012-12-12 | 2014-07-23 | 黑龙江大学 | Preparation method of triangular prism-shape ceric oxide |
WO2015054828A1 (en) | 2013-10-15 | 2015-04-23 | Rhodia Operations | Process for forming primary, secondary or tertiary amine via direct amination reaction |
JP6450841B2 (en) | 2014-11-10 | 2019-01-09 | ローディア オペレーションズ | Method for forming amines by direct amination reaction |
EP3020689A1 (en) | 2014-11-12 | 2016-05-18 | Rhodia Operations | Cerium oxide particles and method for production thereof |
RU2707291C2 (en) | 2014-12-22 | 2019-11-26 | Родиа Операсьон | Catalysts for oxidising cycloalkanes and method of producing alcohols and ketones |
WO2016183769A1 (en) | 2015-05-18 | 2016-11-24 | Rhodia Operations | Process for oxidation of alcohols using oxygen-containing gases |
EP3746418A1 (en) | 2018-01-30 | 2020-12-09 | Basf Se | Method for oxidation of cycloalkanes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2559754A1 (en) * | 1984-02-20 | 1985-08-23 | Rhone Poulenc Spec Chim | CERIC OXIDE WITH NEW MORPHOLOGICAL CHARACTERISTICS AND METHOD OF OBTAINING THE SAME |
FR2559755A1 (en) * | 1984-02-20 | 1985-08-23 | Rhone Poulenc Spec Chim | CERIC OXIDE WITH NEW MORPHOLOGICAL CHARACTERISTICS AND METHOD OF OBTAINING THE SAME |
FR2583736B1 (en) * | 1985-06-20 | 1987-08-14 | Rhone Poulenc Spec Chim | NOVEL CERIUM IV COMPOUND AND PREPARATION METHOD THEREOF. |
FR2593195B1 (en) * | 1986-01-22 | 1988-08-12 | Centre Nat Rech Scient | NOVEL PARTICULATE RARE EARTH OXIDE COMPOSITIONS, THEIR PREPARATION AND THEIR APPLICATION |
FR2596381B1 (en) * | 1986-03-26 | 1988-05-27 | Rhone Poulenc Chimie | CERIC OXIDES WITH NEW MORPHOLOGICAL CHARACTERISTICS AND PROCESS FOR OBTAINING THEM |
FR2608583B1 (en) * | 1986-12-19 | 1990-12-07 | Rhone Poulenc Chimie | CERIC OXIDE WITH NEW MORPHOLOGICAL CHARACTERISTICS AND PROCESS FOR OBTAINING SAME |
FR2617154B1 (en) * | 1987-06-29 | 1990-11-30 | Rhone Poulenc Chimie | PROCESS FOR OBTAINING CERIC OXIDE AND CERIC OXIDE WITH NEW MORPHOLOGICAL CHARACTERISTICS |
FR2640953B1 (en) * | 1988-12-23 | 1991-02-08 | Rhone Poulenc Chimie |
-
1988
- 1988-12-23 FR FR8817069A patent/FR2640954B1/fr not_active Expired - Lifetime
-
1989
- 1989-12-19 EP EP89403539A patent/EP0388567B1/en not_active Expired - Lifetime
- 1989-12-19 DE DE68921977T patent/DE68921977T2/en not_active Expired - Lifetime
- 1989-12-19 AT AT89403539T patent/ATE120436T1/en not_active IP Right Cessation
- 1989-12-19 ES ES89403539T patent/ES2072913T3/en not_active Expired - Lifetime
- 1989-12-20 AU AU47104/89A patent/AU639425B2/en not_active Ceased
- 1989-12-20 ZA ZA899764A patent/ZA899764B/en unknown
- 1989-12-20 NO NO895150A patent/NO178854C/en unknown
- 1989-12-22 CA CA002006563A patent/CA2006563C/en not_active Expired - Lifetime
- 1989-12-22 KR KR1019890019269A patent/KR920007596B1/en not_active IP Right Cessation
- 1989-12-22 JP JP1331457A patent/JPH0832555B2/en not_active Expired - Lifetime
- 1989-12-22 BR BR898906721A patent/BR8906721A/en not_active IP Right Cessation
- 1989-12-22 FI FI896265A patent/FI97374C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900009443A (en) | 1990-07-04 |
FR2640954B1 (en) | 1991-03-29 |
FI97374B (en) | 1996-08-30 |
ZA899764B (en) | 1990-09-26 |
ES2072913T3 (en) | 1995-08-01 |
FI97374C (en) | 1996-12-10 |
AU639425B2 (en) | 1993-07-29 |
FR2640954A1 (en) | 1990-06-29 |
JPH02221119A (en) | 1990-09-04 |
NO178854C (en) | 1996-06-19 |
NO895150D0 (en) | 1989-12-20 |
NO895150L (en) | 1990-06-25 |
DE68921977T2 (en) | 1995-09-28 |
EP0388567A1 (en) | 1990-09-26 |
CA2006563A1 (en) | 1990-06-23 |
EP0388567B1 (en) | 1995-03-29 |
JPH0832555B2 (en) | 1996-03-29 |
DE68921977D1 (en) | 1995-05-04 |
AU4710489A (en) | 1990-06-28 |
NO178854B (en) | 1996-03-11 |
BR8906721A (en) | 1990-09-11 |
CA2006563C (en) | 2001-02-06 |
ATE120436T1 (en) | 1995-04-15 |
KR920007596B1 (en) | 1992-09-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: RHONE-POULENC CHIMIE |