FR2178799A1 - Granular boron - by reducing volative boron cpd with hydrogen in fluidised boron bed - Google Patents
Granular boron - by reducing volative boron cpd with hydrogen in fluidised boron bedInfo
- Publication number
- FR2178799A1 FR2178799A1 FR7212260A FR7212260A FR2178799A1 FR 2178799 A1 FR2178799 A1 FR 2178799A1 FR 7212260 A FR7212260 A FR 7212260A FR 7212260 A FR7212260 A FR 7212260A FR 2178799 A1 FR2178799 A1 FR 2178799A1
- Authority
- FR
- France
- Prior art keywords
- boron
- cpd
- bed
- gas
- granules
- 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
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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/02—Boron; Borides
- C01B35/023—Boron
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7212260A FR2178799A1 (en) | 1972-04-07 | 1972-04-07 | Granular boron - by reducing volative boron cpd with hydrogen in fluidised boron bed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7212260A FR2178799A1 (en) | 1972-04-07 | 1972-04-07 | Granular boron - by reducing volative boron cpd with hydrogen in fluidised boron bed |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2178799A1 true FR2178799A1 (en) | 1973-11-16 |
FR2178799B1 FR2178799B1 (fr) | 1974-08-02 |
Family
ID=9096504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7212260A Granted FR2178799A1 (en) | 1972-04-07 | 1972-04-07 | Granular boron - by reducing volative boron cpd with hydrogen in fluidised boron bed |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2178799A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0363743A2 (fr) * | 1988-10-11 | 1990-04-18 | Ethyl Corporation | Préparation de bore de haute pureté |
WO1991004227A1 (fr) * | 1989-09-12 | 1991-04-04 | Institut Strukturnoi Makrokinetiki Akademii Nauk Sssr | Procede d'obtention de bore sous forme de poudre |
WO2021240074A1 (fr) | 2020-05-25 | 2021-12-02 | Centre National De La Recherche Scientifique | Préparation du bore alpha rhomboédrique en présence d'une source de carbone |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB926362A (en) * | 1958-06-25 | 1963-05-15 | Wacker Chemie Gmbh | Process for the production of metals or metalloids or mixtures or alloys thereof in a very pure state |
-
1972
- 1972-04-07 FR FR7212260A patent/FR2178799A1/fr active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB926362A (en) * | 1958-06-25 | 1963-05-15 | Wacker Chemie Gmbh | Process for the production of metals or metalloids or mixtures or alloys thereof in a very pure state |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0363743A2 (fr) * | 1988-10-11 | 1990-04-18 | Ethyl Corporation | Préparation de bore de haute pureté |
EP0363743A3 (fr) * | 1988-10-11 | 1991-07-03 | Ethyl Corporation | Préparation de bore de haute pureté |
WO1991004227A1 (fr) * | 1989-09-12 | 1991-04-04 | Institut Strukturnoi Makrokinetiki Akademii Nauk Sssr | Procede d'obtention de bore sous forme de poudre |
WO2021240074A1 (fr) | 2020-05-25 | 2021-12-02 | Centre National De La Recherche Scientifique | Préparation du bore alpha rhomboédrique en présence d'une source de carbone |
Also Published As
Publication number | Publication date |
---|---|
FR2178799B1 (fr) | 1974-08-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Dalgarno et al. | The formation of interstellar molecules from negative ions | |
EP0073590A3 (fr) | Générateur d'une atmosphère microaérophile | |
ES330858A1 (es) | Un procedimiento ciclico para separar hidrogeno de una mezcla gaseosa. | |
FR2405744B1 (fr) | ||
FR2178799A1 (en) | Granular boron - by reducing volative boron cpd with hydrogen in fluidised boron bed | |
ES463923A1 (es) | Un metodo para almacenar y subsiguientemente liberar hidro- geno gaseoso. | |
GB1202689A (en) | Bearings | |
ES440048A1 (es) | Un metodo para la preparacion de fenil-metil-carbinol. | |
ES468300A1 (es) | Procedimiento para la preparacion de 1,2-dicloroetano. | |
JPS5576891A (en) | Production of methoxysilane | |
JPS57129817A (en) | Manufacture of trichlorosilane | |
JPS57128642A (en) | Synthesis of oxygen-containing organic compound | |
ES347426A1 (es) | Procedimiento de fabricacion de acetato de vinilo. | |
US3092589A (en) | Method of preparing a catalyst used in the polymerization of ethylene | |
JPS5211197A (en) | Granulation of fine grain fluorite | |
GB1285119A (en) | Process for the manufacture of methallyl acetate | |
JPS52111557A (en) | Production of cyclic ether | |
ES438732A1 (es) | Procedimiento para la obtencion de acetoxibutanal. | |
GB725642A (en) | Production of anhydrous formaldehyde | |
GB1147727A (en) | Process for producing polyethylene | |
JPS5425289A (en) | Molded catalyst for exchange reaction of water-hydrogen system hydrogen isotope and method of producing same | |
JPS5697245A (en) | Preparation of carboxylic acid | |
GB940029A (en) | Process for the preparation of granular anion exchange resins | |
JPS5210893A (en) | Process for production of granular fluorite and hydrogen fluoride from the granular fluorite | |
US2706729A (en) | Method for preparing melamine from |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |