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
Application number
DE1961S0072606
Other languages
German (de)
Other versions
DE1158949B (de
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR818760A external-priority patent/FR1257155A/fr
Priority claimed from FR819720A external-priority patent/FR1257842A/fr
Application filed filed Critical
Publication of DE1158949B publication Critical patent/DE1158949B/de
Application granted granted Critical
Publication of DE1158949C2 publication Critical patent/DE1158949C2/de
Granted legal-status Critical Current

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)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Furnace Details (AREA)
DES72606A 1960-02-17 1961-02-17 Verfahren und Vorrichtung zur Herstellung von feinteiligen Metall- oder Metalloidoxyden Granted DE1158949B (de)

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 (fr) 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 (fr)
CH (1) CH401089A (fr)
DE (1) DE1158949B (fr)
ES (1) ES264942A1 (fr)

Also Published As

Publication number Publication date
ES264942A1 (es) 1961-08-16
BE600325A (fr) 1961-08-17
CH401089A (fr) 1965-10-31
DE1158949B (de) 1963-12-12

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