FI76057C - Foerfarande foer framstaellning av ceriumoxid med en specifik yta av minst 85 + 5 m2/g och ceriumoxid. - Google Patents
Foerfarande foer framstaellning av ceriumoxid med en specifik yta av minst 85 + 5 m2/g och ceriumoxid. Download PDFInfo
- Publication number
- FI76057C FI76057C FI850672A FI850672A FI76057C FI 76057 C FI76057 C FI 76057C FI 850672 A FI850672 A FI 850672A FI 850672 A FI850672 A FI 850672A FI 76057 C FI76057 C FI 76057C
- Authority
- FI
- Finland
- Prior art keywords
- cerium
- process according
- temperature
- cerium oxide
- specific surface
- Prior art date
Links
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 35
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 35
- ITZXULOAYIAYNU-UHFFFAOYSA-N cerium(4+) Chemical class [Ce+4] ITZXULOAYIAYNU-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000001354 calcination Methods 0.000 claims abstract description 15
- 239000002244 precipitate Substances 0.000 claims abstract description 14
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 11
- 239000007864 aqueous solution Substances 0.000 claims abstract description 10
- 230000007062 hydrolysis Effects 0.000 claims abstract description 9
- 230000002378 acidificating effect Effects 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 5
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 37
- 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 claims description 18
- 239000000243 solution Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052684 Cerium Inorganic materials 0.000 claims description 8
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 239000012429 reaction media Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 150000000703 Cerium Chemical class 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000012266 salt solution Substances 0.000 claims description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 239000012267 brine Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 3
- KKFPIBHAPSRIPB-UHFFFAOYSA-N cerium(3+);oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Ce+3].[Ce+3] KKFPIBHAPSRIPB-UHFFFAOYSA-N 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- -1 nitrate ions Chemical class 0.000 description 3
- 238000002407 reforming Methods 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- XQTIWNLDFPPCIU-UHFFFAOYSA-N cerium(3+) Chemical compound [Ce+3] XQTIWNLDFPPCIU-UHFFFAOYSA-N 0.000 description 2
- WTVAYLQYAWAHAX-UHFFFAOYSA-J cerium(4+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Ce+4] WTVAYLQYAWAHAX-UHFFFAOYSA-J 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- UNJPQTDTZAKTFK-UHFFFAOYSA-K cerium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Ce+3] UNJPQTDTZAKTFK-UHFFFAOYSA-K 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006704 dehydrohalogenation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/276—Nitrates
-
- 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
- C01P2002/77—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by unit-cell parameters, atom positions or structure diagrams
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- 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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8402506 | 1984-02-20 | ||
| FR8402506A FR2559754A1 (fr) | 1984-02-20 | 1984-02-20 | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI850672A0 FI850672A0 (fi) | 1985-02-19 |
| FI850672L FI850672L (fi) | 1985-08-21 |
| FI76057B FI76057B (fi) | 1988-05-31 |
| FI76057C true FI76057C (fi) | 1988-09-09 |
Family
ID=9301172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI850672A FI76057C (fi) | 1984-02-20 | 1985-02-19 | Foerfarande foer framstaellning av ceriumoxid med en specifik yta av minst 85 + 5 m2/g och ceriumoxid. |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US4663137A (https=) |
| EP (1) | EP0153227B1 (https=) |
| JP (3) | JPS60239323A (https=) |
| KR (1) | KR910010126B1 (https=) |
| AT (1) | ATE37856T1 (https=) |
| AU (1) | AU571650B2 (https=) |
| BR (1) | BR8500717A (https=) |
| CA (1) | CA1257071A (https=) |
| DE (1) | DE3565518D1 (https=) |
| DK (1) | DK75285A (https=) |
| FI (1) | FI76057C (https=) |
| FR (1) | FR2559754A1 (https=) |
| NO (1) | NO165753C (https=) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2559755A1 (fr) * | 1984-02-20 | 1985-08-23 | Rhone Poulenc Spec Chim | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
| FR2559754A1 (fr) * | 1984-02-20 | 1985-08-23 | Rhone Poulenc Spec Chim | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
| FR2583736B1 (fr) * | 1985-06-20 | 1987-08-14 | Rhone Poulenc Spec Chim | Nouveau compose de cerium iv et son procede de preparation. |
| FR2584388B1 (fr) * | 1985-07-03 | 1991-02-15 | Rhone Poulenc Spec Chim | Composition a base d'oxyde cerique, sa preparation et ses utilisations |
| FR2593195B1 (fr) * | 1986-01-22 | 1988-08-12 | Centre Nat Rech Scient | Nouvelles compositions particulaires d'oxyde de terre rare, leur preparation et leur application |
| FR2596380B1 (fr) * | 1986-03-26 | 1991-09-27 | Rhone Poulenc Chimie | Nouveau compose de cerium iv et son procede de preparation |
| FR2596381B1 (fr) * | 1986-03-26 | 1988-05-27 | Rhone Poulenc Chimie | Oxydes ceriques a nouvelles caracteristiques morphologiques et leur procede d'obtention |
| FR2608583B1 (fr) * | 1986-12-19 | 1990-12-07 | Rhone Poulenc Chimie | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
| US4839146A (en) * | 1987-04-15 | 1989-06-13 | General Motors Corporation | Catalyst for simultaneous NO decomposition and CO oxidation under cycled operating conditions |
| FR2616769B1 (fr) * | 1987-06-17 | 1990-11-30 | Rhone Poulenc Chimie | Procede d'obtention d'un oxyde de terre rare et produit obtenu |
| FR2617153B1 (fr) * | 1987-06-26 | 1991-04-05 | Rhone Poulenc Chimie | Procede d'obtention d'un oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques |
| US5174984A (en) * | 1987-06-29 | 1992-12-29 | Rhone-Poulenc Chimie | Ceric oxide with new morphological characteristics and method for obtaining same |
| FR2632945B1 (fr) * | 1988-06-15 | 1991-02-08 | Rhone Poulenc Chimie | Procede d'obtention d'un oxyde cerique de grande surface specifique |
| EP0300853B1 (fr) * | 1987-06-29 | 1991-09-18 | Rhone-Poulenc Chimie | Procédé d'obtention d'un oxyde cérique |
| FR2617154B1 (fr) * | 1987-06-29 | 1990-11-30 | Rhone Poulenc Chimie | Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques |
| FR2640954B1 (https=) * | 1988-12-23 | 1991-03-29 | Rhone Poulenc Chimie | |
| US5279789A (en) * | 1988-12-23 | 1994-01-18 | Rhone-Poulenc Chimie | Ceric oxide particulates having improved morphology |
| DE3902913A1 (de) * | 1989-02-01 | 1990-08-09 | Degussa | Traegermaterial fuer platingruppenmetall-haltige dreiweg-katalysatoren mit verringerter neigung zur h(pfeil abwaerts)2(pfeil abwaerts)s-emission |
| US5063193A (en) * | 1990-06-06 | 1991-11-05 | General Motors Corporation | Base metal automotive exhaust catalysts with improved activity and stability and method of making the catalysts |
| FR2684662B1 (fr) * | 1991-12-09 | 1994-05-06 | Rhone Poulenc Chimie | Composition a base d'oxyde cerique, preparation et utilisation. |
| FR2698346B1 (fr) * | 1992-11-25 | 1995-01-27 | Rhone Poulenc Chimie | Agrégat de cristallites d'oxyde cérique, procédé d'obtention et son utilisation pour réduire les résidus de combustion. |
| JP2746861B2 (ja) * | 1995-11-20 | 1998-05-06 | 三井金属鉱業株式会社 | 酸化セリウム超微粒子の製造方法 |
| WO1997029510A1 (fr) * | 1996-02-07 | 1997-08-14 | Hitachi Chemical Company, Ltd. | Abrasif d'oxyde de cerium, microplaquette semi-conductrice, dispositif semi-conducteur, procede pour les produire et procede pour polir les substrats |
| RU2162821C2 (ru) * | 1999-05-05 | 2001-02-10 | Всероссийский научно-исследовательский институт химической технологии | Способ выделения церия (+4) из азотнокислого раствора редкоземельных элементов |
| TW528796B (en) | 2000-12-13 | 2003-04-21 | Mitsui Mining & Amp Smelting C | Cerium-based abrasive and method of evaluating the same |
| KR100417530B1 (ko) * | 2001-04-09 | 2004-02-05 | (주)케이.씨.텍 | 직경이 50-100㎚인 미세 산화세륨 입자의 제조방법 |
| US20040234438A1 (en) * | 2001-09-07 | 2004-11-25 | Lianxin Dai | Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification |
| US7025943B2 (en) * | 2002-05-15 | 2006-04-11 | The Curators Of The University Of Missouri | Method for preparation of nanometer cerium-based oxide particles |
| JP4561975B2 (ja) * | 2004-09-14 | 2010-10-13 | 第一稀元素化学工業株式会社 | セリアゾル及びその製造方法 |
| WO2006119311A2 (en) * | 2005-05-02 | 2006-11-09 | Symyx Technologies, Inc. | High surface area metal and metal oxide materials and methods of making same |
| JP5024562B2 (ja) * | 2006-03-31 | 2012-09-12 | 株式会社豊田中央研究所 | 固体粒子高接触体、固体粒子高接触体基材、及びそれらの製造方法 |
| SG170807A1 (en) * | 2006-04-27 | 2011-05-30 | Asahi Glass Co Ltd | Fine particles of oxide crystal and slurry for polishing which contains the fine particles |
| EP2066767B1 (en) * | 2006-09-05 | 2015-10-21 | Cerion LLC | Cerium dioxide nanoparticle-containing fuel additive |
| 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 |
| JP5279183B2 (ja) * | 2006-10-12 | 2013-09-04 | 第一稀元素化学工業株式会社 | セリウム系酸化物の製造方法 |
| KR101050136B1 (ko) * | 2006-11-20 | 2011-07-19 | 주식회사 엘지화학 | 유기용매를 이용한 산화세륨 분말의 제조방법 및 상기분말을 포함하는ｃｍｐ슬러리 |
| US8349764B2 (en) | 2007-10-31 | 2013-01-08 | Molycorp Minerals, Llc | Composition for treating a fluid |
| US20090107925A1 (en) * | 2007-10-31 | 2009-04-30 | Chevron U.S.A. Inc. | Apparatus and process for treating an aqueous solution containing biological contaminants |
| FR2962431B1 (fr) | 2010-07-07 | 2018-01-19 | Rhodia Operations | Composition a base d'oxydes de cerium, de niobium et, eventuellement, de zirconium et son utilisation en catlyse. |
| FR2965189A1 (fr) | 2010-09-29 | 2012-03-30 | Rhodia Operations | Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base d'oxyde de cerium et d'oxyde de niobium |
| JP5862578B2 (ja) | 2011-01-25 | 2016-02-16 | コニカミノルタ株式会社 | 研磨材微粒子及びその製造方法 |
| JP2013126928A (ja) * | 2011-12-19 | 2013-06-27 | Shin-Etsu Chemical Co Ltd | 酸化セリウムの回収方法 |
| RU2495147C9 (ru) * | 2012-09-13 | 2013-12-10 | Открытое акционерное общество "Нижнекамскнефтехим" | Способ извлечения церия |
| US10143661B2 (en) | 2013-10-17 | 2018-12-04 | Cerion, Llc | Malic acid stabilized nanoceria particles |
| CN109153000A (zh) * | 2016-05-16 | 2019-01-04 | 日立化成株式会社 | 吸附剂、二氧化碳的除去方法、二氧化碳除去装置、以及二氧化碳除去系统 |
| RU2646416C2 (ru) * | 2016-07-18 | 2018-03-05 | Федеральное государственное унитарное предприятие "Институт химических реактивов и особо чистых химических веществ Национального исследовательского центра "Курчатовский институт" (НИЦ "Курчатовский институт"-ИРЕА) | Способ получения высокочистого раствора нитрата церия (iii) |
| CN112275274A (zh) * | 2020-10-27 | 2021-01-29 | 河南师范大学 | 一种用于亚胺合成的微介孔氧化铈催化剂的制备方法 |
| US11548791B2 (en) | 2020-11-24 | 2023-01-10 | Lynas Rare Earths Limited | Materials, methods and techniques for generating doped cerium oxide |
| EP4304984A1 (en) * | 2021-03-12 | 2024-01-17 | Rhodia Operations | Cerium oxide particles, making process thereof and use thereof in chemical mechanical polishing |
| CN115228396B (zh) * | 2022-07-26 | 2024-02-02 | 宣城市晶和环保新材料科技有限公司 | 一种纳米铈溶胶的制备方法 |
| CN116870189A (zh) * | 2023-06-19 | 2023-10-13 | 五邑大学 | 一种介孔纳米材料及其制备方法和应用 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE154010C (https=) * | ||||
| GB488008A (en) * | 1936-12-10 | 1938-06-29 | Degussa | A process for the production of cerium compounds |
| BE433407A (https=) * | 1938-04-13 | 1939-04-29 | ||
| FR859854A (fr) * | 1938-09-06 | 1940-12-31 | Produits Chim Terres Rares Soc | Procédé d'obtention de bioxyde de cérium |
| US3770422A (en) * | 1971-06-11 | 1973-11-06 | Rockwell International Corp | Process for purifying eu and yb and forming refractory compounds therefrom |
| JPS5340077A (en) * | 1976-09-25 | 1978-04-12 | Osukaa Kougiyou Kk | Method of continuous manufacturing of mat for bathroom |
| SU833525A1 (ru) * | 1979-07-27 | 1981-05-30 | Институт Общей И Неорганической Химии Анбелорусской Ccp | Способ получени двуокиси цери |
| FR2472601A1 (fr) * | 1979-12-27 | 1981-07-03 | Rhone Poulenc Ind | Procede de fabrication de compositions de polissage a base de cerium |
| DE3005137A1 (de) * | 1980-02-12 | 1981-08-20 | Degussa Ag, 6000 Frankfurt | Cerhaltige faellungskieselsaeure, verfahren zu deren herstellung, sowie zu elastomeren haertbare massen, die die cerhaltige faellungskieselsaeure enthalten |
| US4356106A (en) * | 1980-05-09 | 1982-10-26 | United Kingdom Atomic Energy Authority | Cerium compounds |
| DE3271142D1 (en) * | 1981-08-07 | 1986-06-19 | Atomic Energy Authority Uk | Cerium compounds |
| US4545923A (en) * | 1982-06-11 | 1985-10-08 | Rhone-Poulenc Inc. | Process for preparing colloidal ceric oxide and complexes thereof with free organic acids |
| JPS6030686A (ja) * | 1983-07-30 | 1985-02-16 | Yakult Honsha Co Ltd | 乳酸桿菌属の細菌に供与ｄνａを導入する方法 |
| FR2559754A1 (fr) * | 1984-02-20 | 1985-08-23 | Rhone Poulenc Spec Chim | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
-
1984
- 1984-02-20 FR FR8402506A patent/FR2559754A1/fr active Pending
-
1985
- 1985-02-11 DE DE8585400216T patent/DE3565518D1/de not_active Expired
- 1985-02-11 AT AT85400216T patent/ATE37856T1/de not_active IP Right Cessation
- 1985-02-11 EP EP85400216A patent/EP0153227B1/fr not_active Expired
- 1985-02-15 BR BR8500717A patent/BR8500717A/pt not_active IP Right Cessation
- 1985-02-18 NO NO850630A patent/NO165753C/no not_active IP Right Cessation
- 1985-02-19 AU AU38949/85A patent/AU571650B2/en not_active Ceased
- 1985-02-19 CA CA000474661A patent/CA1257071A/fr not_active Expired
- 1985-02-19 FI FI850672A patent/FI76057C/fi not_active IP Right Cessation
- 1985-02-19 DK DK75285A patent/DK75285A/da not_active Application Discontinuation
- 1985-02-20 US US06/703,558 patent/US4663137A/en not_active Expired - Lifetime
- 1985-02-20 JP JP60030685A patent/JPS60239323A/ja active Granted
- 1985-02-21 KR KR1019850001076A patent/KR910010126B1/ko not_active Expired
-
1989
- 1989-12-29 US US07/459,361 patent/US5017352A/en not_active Expired - Lifetime
-
1992
- 1992-07-13 JP JP4206990A patent/JPH0660015B2/ja not_active Expired - Fee Related
-
1995
- 1995-08-28 JP JP7240457A patent/JP2655138B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU571650B2 (en) | 1988-04-21 |
| EP0153227B1 (fr) | 1988-10-12 |
| AU3894985A (en) | 1985-08-29 |
| KR910010126B1 (ko) | 1991-12-17 |
| FR2559754A1 (fr) | 1985-08-23 |
| US5017352A (en) | 1991-05-21 |
| DK75285A (da) | 1985-08-21 |
| JPH0672711A (ja) | 1994-03-15 |
| BR8500717A (pt) | 1985-10-08 |
| NO850630L (no) | 1985-08-21 |
| JPS60239323A (ja) | 1985-11-28 |
| JP2655138B2 (ja) | 1997-09-17 |
| JPH0660015B2 (ja) | 1994-08-10 |
| ATE37856T1 (de) | 1988-10-15 |
| FI850672L (fi) | 1985-08-21 |
| JPH08310812A (ja) | 1996-11-26 |
| JPH0324478B2 (https=) | 1991-04-03 |
| DE3565518D1 (en) | 1988-11-17 |
| FI850672A0 (fi) | 1985-02-19 |
| KR850007049A (ko) | 1985-10-30 |
| EP0153227A1 (fr) | 1985-08-28 |
| FI76057B (fi) | 1988-05-31 |
| DK75285D0 (da) | 1985-02-19 |
| NO165753C (no) | 1991-04-10 |
| NO165753B (no) | 1990-12-27 |
| CA1257071A (fr) | 1989-07-11 |
| US4663137A (en) | 1987-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI76057B (fi) | Foerfarande foer framstaellning av ceriumoxid med en specifik yta av minst 85 + 5 m2/g och ceriumoxid. | |
| FI76058B (fi) | Foerfarande foer framstaellning av ceriumoxid med en specifik yta av minst 85 + 5 m2/g och ceriumoxid. | |
| Jalalah et al. | Comparative study on photocatalytic performances of crystalline α-and β-Bi2O3 nanoparticles under visible light | |
| Haber et al. | The structure and redox properties of vanadium oxide surface compounds | |
| CN102351242A (zh) | 一种溶剂热法制备单相钛酸铋Bi2Ti2O7的方法 | |
| Albrbar et al. | Visible-light active mesoporous, nanocrystalline N, S-doped and co-doped titania photocatalysts synthesized by non-hydrolytic sol-gel route | |
| JPS6256322A (ja) | 酸化第二セリウムを主体とする組成物及びそれらの製造方法 | |
| JP4191044B2 (ja) | ジルコニウム及びチタンをベースとする酸化物を調製する方法、この方法により得られる酸化物、及びこの酸化物の触媒としての使用 | |
| WO2005070832A1 (ja) | 酸化物固溶体粉末 | |
| Abbas et al. | Effect of annealing time on structural and optical proprieties of mercury (Hg+ 2) doped TiO2 thin films elaborated by sol-gel method for future photo-catalytic application | |
| Pan et al. | Zinc titanium glycolate acetate hydrate and its transformation to zinc titanate microrods: Synthesis, characterization and photocatalytic properties | |
| JP2006256912A (ja) | 表面修飾されたセリア・ジルコニア系水和酸化物、その酸化物及びそれらの製造方法並びに用途 | |
| JP7361679B2 (ja) | アルミナ材料 | |
| Sokolov et al. | Synthesis of nanosized zirconium dioxide, cobalt oxide and related phases in supercritical CO2 fluid | |
| Onoda et al. | Low temperature phosphoric acid treatment of zinc oxide for nobel white pigments | |
| JP2005170775A (ja) | 酸化物粉末及びその製造方法並びに排気ガス浄化用触媒 | |
| Fidelus et al. | Microstructural and Optical Characterization of TiO2 Doped with Ytterbium Synthesized by Sol–Gel and Solar Physical Vapor Deposition Process | |
| JPH10212122A (ja) | ジルコニア微粉末及びその製造方法 | |
| CN108654619B (zh) | 一种钴基费托合成催化剂及其制备方法 | |
| JP7595231B1 (ja) | シリカアルミナおよびその製造方法 | |
| JP2021513945A (ja) | 無機酸化物 | |
| Khalameida et al. | The interaction between barium and titanium oxides under mechanochemical, hydrothermal and microwave treatments and properties of prepared products | |
| JP2024013195A (ja) | 排ガス浄化触媒 | |
| Rusdi et al. | SYNTHESIS OF CERIA NANOPARTICLES: EFFECT OF ALCOHOL/WATER RATIO ON THE MORPHOLOGY AND CRYSTAL STRUCTURE | |
| Khoshkhan et al. | Synthesis and characterization of sub-micron alumina by combustion of aluminum complexes with acetylacetone and salicylaldehyde |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: RHONE-POULENC SPECIALITES CHIMIQUES |