DE1158949C2 - - Google Patents
Info
- Publication number
- DE1158949C2 DE1158949C2 DE1961S0072606 DES0072606A DE1158949C2 DE 1158949 C2 DE1158949 C2 DE 1158949C2 DE 1961S0072606 DE1961S0072606 DE 1961S0072606 DE S0072606 A DES0072606 A DE S0072606A DE 1158949 C2 DE1158949 C2 DE 1158949C2
- Authority
- DE
- Germany
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
- C01B33/182—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by reduction of a siliceous material, e.g. with a carbonaceous reducing agent and subsequent oxidation of the silicon monoxide formed
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/34—Obtaining zinc oxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR818760A FR1257155A (fr) | 1960-02-17 | 1960-02-17 | Porte-électrode pour fours électriques |
| FR819720A FR1257842A (fr) | 1960-02-26 | 1960-02-26 | Procédé et appareil pour la production d'oxydes à l'état de poussières dispersées |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1158949B DE1158949B (de) | 1963-12-12 |
| DE1158949C2 true DE1158949C2 (US06492441-20021210-C00072.png) | 1964-07-02 |
Family
ID=26185038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES72606A Granted DE1158949B (de) | 1960-02-17 | 1961-02-17 | Verfahren und Vorrichtung zur Herstellung von feinteiligen Metall- oder Metalloidoxyden |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE600325A (US06492441-20021210-C00072.png) |
| CH (1) | CH401089A (US06492441-20021210-C00072.png) |
| DE (1) | DE1158949B (US06492441-20021210-C00072.png) |
| ES (1) | ES264942A1 (US06492441-20021210-C00072.png) |
-
1961
- 1961-02-15 CH CH182561A patent/CH401089A/fr unknown
- 1961-02-16 ES ES0264942A patent/ES264942A1/es not_active Expired
- 1961-02-17 DE DES72606A patent/DE1158949B/de active Granted
- 1961-02-17 BE BE600325A patent/BE600325A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1158949B (de) | 1963-12-12 |
| ES264942A1 (es) | 1961-08-16 |
| CH401089A (fr) | 1965-10-31 |
| BE600325A (fr) | 1961-08-17 |
