FR2413323A1 - Procede de preparation de particules d'alumine rehydratable mises en forme - Google Patents
Procede de preparation de particules d'alumine rehydratable mises en formeInfo
- Publication number
- FR2413323A1 FR2413323A1 FR7739896A FR7739896A FR2413323A1 FR 2413323 A1 FR2413323 A1 FR 2413323A1 FR 7739896 A FR7739896 A FR 7739896A FR 7739896 A FR7739896 A FR 7739896A FR 2413323 A1 FR2413323 A1 FR 2413323A1
- Authority
- FR
- France
- Prior art keywords
- alumina
- obtd
- particles
- catalysts
- medium
- 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.)
- Granted
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 6
- 239000002245 particle Substances 0.000 title abstract 4
- 239000003054 catalyst Substances 0.000 title abstract 3
- 239000002002 slurry Substances 0.000 title abstract 3
- 238000007493 shaping process Methods 0.000 title abstract 2
- 238000001354 calcination Methods 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 abstract 1
- 238000001723 curing Methods 0.000 abstract 1
- 238000001035 drying Methods 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
- B01J37/0009—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)
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
-
- 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
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/021—After-treatment of oxides or hydroxides
- C01F7/025—Granulation or agglomeration
-
- 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
- C01P2006/10—Solid density
-
- 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
-
- 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
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)
Abstract
L'INVENTION CONCERNE UN PROCEDE DE FABRICATION DE PARTICULES D'ALUMINE MISES EN FORME, CES PARTICULES POUVANT ETRE UTILISEES COMME CATALYSEURS ET SUPPORTS DE CATALYSEURS. ON ENVOIE UNE DISPERSION AQUEUSE D'ALUMINE DANS UN MILIEU IMMISCIBLE A L'EAU, CHAUFFE, CE QUI PROVOQUE LA MISE EN FORME ET LE DURCISSEMENT DE L'ALUMINE. CATALYSEURS ET SUPPORTS DE CATALYSEURS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7739896A FR2413323A1 (fr) | 1977-12-30 | 1977-12-30 | Procede de preparation de particules d'alumine rehydratable mises en forme |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7739896A FR2413323A1 (fr) | 1977-12-30 | 1977-12-30 | Procede de preparation de particules d'alumine rehydratable mises en forme |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2413323A1 true FR2413323A1 (fr) | 1979-07-27 |
FR2413323B1 FR2413323B1 (fr) | 1983-10-14 |
Family
ID=9199591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7739896A Granted FR2413323A1 (fr) | 1977-12-30 | 1977-12-30 | Procede de preparation de particules d'alumine rehydratable mises en forme |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2413323A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2506630A1 (fr) * | 1981-06-02 | 1982-12-03 | Mitsubishi Chem Ind | Catalyseur d'hydrogenation pour la desulfuration et l'elimination de metaux lourds |
EP0327721A2 (fr) * | 1988-02-09 | 1989-08-16 | Degussa Aktiengesellschaft | Pièces pressées à base d'oxyde d'aluminium pyrogéné, procédé pour leur préparation et leur utilisation |
WO1992019535A1 (fr) * | 1991-05-06 | 1992-11-12 | Alcan International Limited | Procede de production d'agglomerats a partir de poussieres resultant du traitement thermique de materiaux contenant de l'alumine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1231293A (fr) * | 1958-06-30 | 1960-09-28 | American Cyanamid Co | Procédé pour la préparation de nouveaux esters phosphorothioïques par réaction entre un sel phosphorothioate de dialkyle et une chlorométhylpyridazinone, et produits obtenus par ce procédé |
FR1231993A (fr) * | 1958-08-13 | 1960-10-04 | Basf Ag | Procédé pour la production de globules renfermant de l'alumine |
US3856708A (en) * | 1972-04-10 | 1974-12-24 | Reynolds Metals Co | Alumina catalyst support |
FR2299911A1 (fr) * | 1975-02-04 | 1976-09-03 | Kali Chemie Ag | Procede de fabrication de particules spheriques contenant de l'alumine et produits obtenus |
FR2351171A2 (fr) * | 1976-05-11 | 1977-12-09 | Combacal Clement | Procede et dispositif pour le traitement thermique de la vendange |
FR2351071A1 (fr) * | 1976-05-10 | 1977-12-09 | American Cyanamid Co | Aides d'extrusion pour l'alumine rehydratable |
-
1977
- 1977-12-30 FR FR7739896A patent/FR2413323A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1231293A (fr) * | 1958-06-30 | 1960-09-28 | American Cyanamid Co | Procédé pour la préparation de nouveaux esters phosphorothioïques par réaction entre un sel phosphorothioate de dialkyle et une chlorométhylpyridazinone, et produits obtenus par ce procédé |
FR1231993A (fr) * | 1958-08-13 | 1960-10-04 | Basf Ag | Procédé pour la production de globules renfermant de l'alumine |
US3856708A (en) * | 1972-04-10 | 1974-12-24 | Reynolds Metals Co | Alumina catalyst support |
FR2299911A1 (fr) * | 1975-02-04 | 1976-09-03 | Kali Chemie Ag | Procede de fabrication de particules spheriques contenant de l'alumine et produits obtenus |
FR2351071A1 (fr) * | 1976-05-10 | 1977-12-09 | American Cyanamid Co | Aides d'extrusion pour l'alumine rehydratable |
FR2351171A2 (fr) * | 1976-05-11 | 1977-12-09 | Combacal Clement | Procede et dispositif pour le traitement thermique de la vendange |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2506630A1 (fr) * | 1981-06-02 | 1982-12-03 | Mitsubishi Chem Ind | Catalyseur d'hydrogenation pour la desulfuration et l'elimination de metaux lourds |
EP0327721A2 (fr) * | 1988-02-09 | 1989-08-16 | Degussa Aktiengesellschaft | Pièces pressées à base d'oxyde d'aluminium pyrogéné, procédé pour leur préparation et leur utilisation |
EP0327721A3 (en) * | 1988-02-09 | 1989-10-18 | Degussa Aktiengesellschaft | Die-formed articles based on parogenic aluminium oxide, process for their production and their use |
WO1992019535A1 (fr) * | 1991-05-06 | 1992-11-12 | Alcan International Limited | Procede de production d'agglomerats a partir de poussieres resultant du traitement thermique de materiaux contenant de l'alumine |
Also Published As
Publication number | Publication date |
---|---|
FR2413323B1 (fr) | 1983-10-14 |
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