AU599362B2 - Ceric oxides with novel morphological characteristics - Google Patents
Ceric oxides with novel morphological characteristics Download PDFInfo
- Publication number
- AU599362B2 AU599362B2 AU70604/87A AU7060487A AU599362B2 AU 599362 B2 AU599362 B2 AU 599362B2 AU 70604/87 A AU70604/87 A AU 70604/87A AU 7060487 A AU7060487 A AU 7060487A AU 599362 B2 AU599362 B2 AU 599362B2
- Authority
- AU
- Australia
- Prior art keywords
- cerium
- temperature
- compound
- ceric oxide
- calcination
- 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.)
- Ceased
Links
- 230000000877 morphologic effect Effects 0.000 title description 4
- 239000011148 porous material Substances 0.000 claims abstract description 41
- 238000001354 calcination Methods 0.000 claims abstract description 28
- 229910052684 Cerium Inorganic materials 0.000 claims description 116
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 116
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 69
- 150000001875 compounds Chemical class 0.000 claims description 62
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 61
- 229940044927 ceric oxide Drugs 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 239000000243 solution Substances 0.000 claims description 45
- 239000002244 precipitate Substances 0.000 claims description 37
- 238000001035 drying Methods 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 30
- 238000006460 hydrolysis reaction Methods 0.000 claims description 30
- 230000007062 hydrolysis Effects 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 238000002360 preparation method Methods 0.000 claims description 26
- 238000009826 distribution Methods 0.000 claims description 25
- 229910002651 NO3 Inorganic materials 0.000 claims description 20
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 15
- 238000001246 colloidal dispersion Methods 0.000 claims description 14
- 239000002585 base Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 239000012266 salt solution Substances 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 12
- 239000012429 reaction media Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- 238000007669 thermal treatment Methods 0.000 claims description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 239000003637 basic solution Substances 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 4
- 238000010908 decantation Methods 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 230000000368 destabilizing effect Effects 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 abstract description 3
- 239000000084 colloidal system Substances 0.000 description 22
- 239000012153 distilled water Substances 0.000 description 22
- 239000002609 medium Substances 0.000 description 20
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 15
- 239000000908 ammonium hydroxide Substances 0.000 description 15
- 239000000047 product Substances 0.000 description 13
- 238000004458 analytical method Methods 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 11
- 239000007787 solid Substances 0.000 description 9
- 239000011521 glass Substances 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000002386 leaching Methods 0.000 description 5
- 229910000420 cerium oxide Inorganic materials 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 4
- -1 sulphate ions Chemical class 0.000 description 4
- 150000000703 Cerium Chemical class 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 description 2
- 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 description 2
- ZXKXJHAOUFHNAS-UHFFFAOYSA-N fenfluramine hydrochloride Chemical compound [Cl-].CC[NH2+]C(C)CC1=CC=CC(C(F)(F)F)=C1 ZXKXJHAOUFHNAS-UHFFFAOYSA-N 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000006704 dehydrohalogenation reaction Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 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
- 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
-
- 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
-
- 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
- B01J35/615—100-500 m2/g
-
- 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
- B01J35/63—Pore volume
- B01J35/633—Pore volume less than 0.5 ml/g
-
- 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
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
-
- 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
- B01J35/66—Pore distribution
- B01J35/67—Pore distribution monomodal
-
- 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
- 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
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Cephalosporin Compounds (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Colloid Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Glass Compositions (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8604347 | 1986-03-26 | ||
| FR8604347A FR2596381B1 (fr) | 1986-03-26 | 1986-03-26 | Oxydes ceriques a nouvelles caracteristiques morphologiques et leur procede d'obtention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU7060487A AU7060487A (en) | 1987-10-01 |
| AU599362B2 true AU599362B2 (en) | 1990-07-19 |
Family
ID=9333571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU70604/87A Ceased AU599362B2 (en) | 1986-03-26 | 1987-03-25 | Ceric oxides with novel morphological characteristics |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5064628A (https=) |
| EP (1) | EP0239478B1 (https=) |
| JP (2) | JPH0692253B2 (https=) |
| KR (1) | KR910010127B1 (https=) |
| AT (1) | ATE79839T1 (https=) |
| AU (1) | AU599362B2 (https=) |
| BR (1) | BR8701982A (https=) |
| CA (1) | CA1332780C (https=) |
| DE (1) | DE3781299T2 (https=) |
| ES (1) | ES2051761T3 (https=) |
| FR (1) | FR2596381B1 (https=) |
| GR (1) | GR3006271T3 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU639425B2 (en) * | 1988-12-23 | 1993-07-29 | Rhone-Poulenc Chimie | Ceric oxide and a process for its production |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2608583B1 (fr) * | 1986-12-19 | 1990-12-07 | Rhone Poulenc Chimie | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
| 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 |
| FR2617154B1 (fr) * | 1987-06-29 | 1990-11-30 | Rhone Poulenc Chimie | Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques |
| EP0300853B1 (fr) * | 1987-06-29 | 1991-09-18 | Rhone-Poulenc Chimie | Procédé d'obtention d'un oxyde cérique |
| FR2632945B1 (fr) * | 1988-06-15 | 1991-02-08 | Rhone Poulenc Chimie | Procede d'obtention d'un oxyde cerique de grande surface specifique |
| FR2621576B1 (fr) * | 1987-10-09 | 1990-01-05 | Rhone Poulenc Chimie | Dispersion colloidale d'un compose de cerium iv en milieu aqueux et son procede de preparation |
| FR2623793B1 (fr) * | 1987-11-30 | 1991-06-07 | Rhone Poulenc Chimie | Procede de preparation de granules a base d'oxyde de titane, de zirconium, ou de cerium et produits ainsi obtenus |
| FR2628655B1 (fr) * | 1988-03-16 | 1990-07-20 | Pro Catalyse | Support de catalyseur et catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ceux-ci |
| FR2640611A1 (fr) * | 1988-12-16 | 1990-06-22 | Rhone Poulenc Chimie | Oxyde de terre rare a nouvelles caracteristiques morphologiques et son procede d'obtention |
| US5279789A (en) * | 1988-12-23 | 1994-01-18 | Rhone-Poulenc Chimie | Ceric oxide particulates having improved morphology |
| FR2646843B1 (fr) * | 1989-05-10 | 1991-12-13 | Rhone Poulenc Chimie | Zircone microporeuse et son procede de preparation |
| FR2719502B1 (fr) * | 1994-05-09 | 1996-06-07 | Rhone Poulenc Chimie | Dispersion colloïdale à base d'oxyde de cérium et d'oxyde de titane son procédé de préparation, son application au revêtement de substrats et substrats ainsi revêtus. |
| EP1020223A3 (en) * | 1999-01-12 | 2001-09-12 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Porous material and production process thereof, catalyst comprising the porous material and process for purifying exhaust gas |
| US6187824B1 (en) * | 1999-08-25 | 2001-02-13 | Nyacol Nano Technologies, Inc. | Zinc oxide sol and method of making |
| TW528796B (en) * | 2000-12-13 | 2003-04-21 | Mitsui Mining & Amp Smelting C | Cerium-based abrasive and method of evaluating the same |
| TWI272249B (en) * | 2001-02-27 | 2007-02-01 | Nissan Chemical Ind Ltd | Crystalline ceric oxide sol and process for producing the same |
| US6863825B2 (en) | 2003-01-29 | 2005-03-08 | Union Oil Company Of California | Process for removing arsenic from aqueous streams |
| DE10337199A1 (de) * | 2003-08-13 | 2005-03-10 | Degussa | Ceroxidpulver |
| US7553465B2 (en) * | 2005-08-12 | 2009-06-30 | Degussa Ag | Cerium oxide powder and cerium oxide dispersion |
| JP4982692B2 (ja) * | 2006-03-17 | 2012-07-25 | Ｄｏｗａエレクトロニクス株式会社 | 触媒用酸化セリウム粉体およびｄｐｆ |
| US7648548B2 (en) * | 2006-05-10 | 2010-01-19 | Corning Incorporated | High porosity cordierite composition |
| 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 |
| US8066874B2 (en) | 2006-12-28 | 2011-11-29 | Molycorp Minerals, Llc | Apparatus for treating a flow of an aqueous solution containing arsenic |
| US8349764B2 (en) | 2007-10-31 | 2013-01-08 | Molycorp Minerals, Llc | Composition for treating a fluid |
| US8252087B2 (en) | 2007-10-31 | 2012-08-28 | Molycorp Minerals, Llc | Process and apparatus for treating a gas containing a contaminant |
| US9233863B2 (en) | 2011-04-13 | 2016-01-12 | Molycorp Minerals, Llc | Rare earth removal of hydrated and hydroxyl species |
| JP5589996B2 (ja) * | 2011-09-12 | 2014-09-17 | 株式会社日立製作所 | 二酸化炭素捕捉材 |
| US9975787B2 (en) | 2014-03-07 | 2018-05-22 | Secure Natural Resources Llc | Removal of arsenic from aqueous streams with cerium (IV) oxide compositions |
| EP3020689A1 (en) * | 2014-11-12 | 2016-05-18 | Rhodia Operations | Cerium oxide particles and method for production thereof |
| CN109195699A (zh) * | 2016-05-16 | 2019-01-11 | 日立化成株式会社 | 吸附剂、二氧化碳的除去方法、二氧化碳除去器以及空调装置 |
| EP3459624A4 (en) * | 2016-05-16 | 2020-01-15 | Hitachi Chemical Co., Ltd. | ABSORPTION AGENT, CARBON DIOXIDE REMOVAL METHOD, CARBON DIOXIDE REMOVAL DEVICE, AND CARBON DIOXIDE REMOVAL SYSTEM |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5910286A (en) * | 1985-06-20 | 1986-12-24 | Rhone-Poulenc Specialites Chimiques | Cerium IV colloids and a method of manufacture |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3761571A (en) * | 1970-02-10 | 1973-09-25 | Atomic Energy Authority Uk | Production of ceria |
| DD145853A3 (de) * | 1973-12-03 | 1981-01-14 | Adolf Kaller | Verfahren zur herstellung grobkoer iger zusammenballungen feinkristalliner cerdioxidhydrat |
| DE2857146T1 (de) * | 1977-11-01 | 1980-12-04 | Atomic Energy Authority Uk | Production of dispersions |
| SU833525A1 (ru) * | 1979-07-27 | 1981-05-30 | Институт Общей И Неорганической Химии Анбелорусской Ccp | Способ получени двуокиси цери |
| DE3271142D1 (en) * | 1981-08-07 | 1986-06-19 | Atomic Energy Authority Uk | Cerium compounds |
| 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 |
| FR2608583B1 (fr) * | 1986-12-19 | 1990-12-07 | Rhone Poulenc Chimie | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
-
1986
- 1986-03-26 FR FR8604347A patent/FR2596381B1/fr not_active Expired
-
1987
- 1987-03-18 AT AT87400601T patent/ATE79839T1/de not_active IP Right Cessation
- 1987-03-18 ES ES87400601T patent/ES2051761T3/es not_active Expired - Lifetime
- 1987-03-18 DE DE8787400601T patent/DE3781299T2/de not_active Expired - Fee Related
- 1987-03-18 EP EP87400601A patent/EP0239478B1/fr not_active Expired - Lifetime
- 1987-03-25 AU AU70604/87A patent/AU599362B2/en not_active Ceased
- 1987-03-25 CA CA000532914A patent/CA1332780C/fr not_active Expired - Fee Related
- 1987-03-25 JP JP62069282A patent/JPH0692253B2/ja not_active Expired - Fee Related
- 1987-03-26 KR KR1019870002809A patent/KR910010127B1/ko not_active Expired
- 1987-03-26 BR BR8701982A patent/BR8701982A/pt not_active IP Right Cessation
-
1990
- 1990-02-22 US US07/485,852 patent/US5064628A/en not_active Expired - Fee Related
-
1992
- 1992-11-18 GR GR920402629T patent/GR3006271T3/el unknown
-
1998
- 1998-05-07 JP JP10139224A patent/JP2905194B2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5910286A (en) * | 1985-06-20 | 1986-12-24 | Rhone-Poulenc Specialites Chimiques | Cerium IV colloids and a method of manufacture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU639425B2 (en) * | 1988-12-23 | 1993-07-29 | Rhone-Poulenc Chimie | Ceric oxide and a process for its production |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3781299T2 (de) | 1993-03-18 |
| BR8701982A (pt) | 1988-01-12 |
| KR910010127B1 (ko) | 1991-12-17 |
| US5064628A (en) | 1991-11-12 |
| CA1332780C (fr) | 1994-11-01 |
| JP2905194B2 (ja) | 1999-06-14 |
| EP0239478A2 (fr) | 1987-09-30 |
| FR2596381A1 (fr) | 1987-10-02 |
| DE3781299D1 (de) | 1992-10-01 |
| ATE79839T1 (de) | 1992-09-15 |
| EP0239478B1 (fr) | 1992-08-26 |
| GR3006271T3 (https=) | 1993-06-21 |
| JPH0692253B2 (ja) | 1994-11-16 |
| AU7060487A (en) | 1987-10-01 |
| EP0239478A3 (en) | 1987-12-09 |
| ES2051761T3 (es) | 1994-07-01 |
| KR870008791A (ko) | 1987-10-20 |
| JPS62275022A (ja) | 1987-11-30 |
| JPH1143325A (ja) | 1999-02-16 |
| FR2596381B1 (fr) | 1988-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU599362B2 (en) | Ceric oxides with novel morphological characteristics | |
| AU596802B2 (en) | The preparation and use of a ceric oxide based composition | |
| JP2787540B2 (ja) | ジルコニウム及びセリウムの混合酸化物を基とする組成物、その合成方法並びに使用方法 | |
| JP3016865B2 (ja) | 混合セリウムないしジルコニウム酸化物，並びにこれらの製造方法及び使用方法 | |
| RU2445268C2 (ru) | Смешанный оксид церия и другого редкоземельного элемента с высокой удельной площадью поверхности, способ его получения и использование в катализе | |
| EP0153228B1 (fr) | Oxyde cérique à nouvelles caractéristiques morphologiques et son procédé d'obtention | |
| JP3490456B2 (ja) | 酸化ジルコニウムと酸化セリウムを基材とした組成物、その製造法及び用途 | |
| US6506705B2 (en) | Composition based on cerium oxide or on cerium and zirconium oxides, in the extruded form, process for the preparation thereof and use thereof as catalyst | |
| US5002747A (en) | Process for obtaining ceric oxide | |
| JP5722790B2 (ja) | 複合酸化物、その製造法及び排ガス浄化用触媒 | |
| JPH08310812A (ja) | 新規な形態的特徴を有する酸化第二セリウム | |
| US20110257006A1 (en) | Method for preparing a structured porous material comprising nanoparticles of metal 0 imbedded in the walls thereof | |
| US20060115397A1 (en) | Composition based on zirconium oxide and oxides of cerium, lanthanum and of another rare earth, a method for preparing same and use thereof as catalyst | |
| JP2000505771A (ja) | 押出成形された形状の酸化セリウムに基づく組成物又は酸化セリウム及び酸化ジルコニウムに基づく組成物、その製法並びに触媒としてのその使用法 | |
| US20170348633A1 (en) | Gas separation device with nanocomposite membrane | |
| AU598525B2 (en) | Cerium iv compound | |
| 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 | |
| US7297321B2 (en) | Supermicroporous metal oxides | |
| CA2070507C (fr) | Composition a base d'oxyde cerique, sa preparation et ses utilisations | |
| CN102826568A (zh) | 纳米晶zsm-5沸石团簇的制备方法以及由该方法制得的纳米晶zsm-5沸石团簇 | |
| CN107151022A (zh) | 一种介孔p-im-5分子筛及制备方法与应用 | |
| US8075867B2 (en) | Method for manufacturing a nanoporous framework and a nanoporous framework thus produced | |
| CN120229749A (zh) | 一种制备大孔容高胶溶高纯拟薄水铝石的方法 | |
| Arfaoui et al. | Synthesis and characterization of hydroxy-chromium pillared bentonite | |
| CN119565584A (zh) | 一种低硅掺杂拟薄水铝石和氧化铝制备方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |