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DE1029356B - Process for lowering the reduction temperature of metal oxides for the production of metal powders - Google Patents

Process for lowering the reduction temperature of metal oxides for the production of metal powders

Info

Publication number
DE1029356B
DE1029356B DEM31409A DEM0031409A DE1029356B DE 1029356 B DE1029356 B DE 1029356B DE M31409 A DEM31409 A DE M31409A DE M0031409 A DEM0031409 A DE M0031409A DE 1029356 B DE1029356 B DE 1029356B
Authority
DE
Germany
Prior art keywords
lowering
production
metal
reduction temperature
metal oxides
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.)
Pending
Application number
DEM31409A
Other languages
German (de)
Inventor
Dr Gerhard Naeser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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
Application filed by Mannesmann AG filed Critical Mannesmann AG
Priority to DEM31409A priority Critical patent/DE1029356B/en
Publication of DE1029356B publication Critical patent/DE1029356B/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • 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
    • C01B13/145—After-treatment of oxides or hydroxides, e.g. pulverising, drying, decreasing the acidity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Description

© 8» 509/381 4.58© 8 »509/381 4.58

Claims (1)

Patentanspruch:Claim: Verfahren zur Herabsetzung der Reduktionstemperatur und/oder Reduktionsdauer bei der Herstellung von Metallpulver durch Reduktion der entsprechenden Metalloxyde, dadurch gekennzeichnet, daß die MetaJlloxyde vor der Reduktion ein oder mehrmals bei Raumtemperatur gewalzt oder gehämmert werden.Process for lowering the reduction temperature and / or reduction time in the production of metal powder by reducing the corresponding metal oxides, characterized in that the MetaJlloxyde before the reduction be rolled or hammered one or more times at room temperature. In Betracht gezogene Druckschriften:
Deutsche Patentschrift Nr. 440 099;
österreichische Patentschrift Nr. 176 574;
britische Patentschrift Nr. 384 327;
USA.-Patentschrift Nr. 2 107 549.Considered publications:
German Patent No. 440 099;
Austrian Patent No. 176 574;
British Patent No. 384,327;
U.S. Patent No. 2,107,549. Hierzu 1 Blatt Zeichnungen1 sheet of drawings
DEM31409A 1956-08-15 1956-08-15 Process for lowering the reduction temperature of metal oxides for the production of metal powders Pending DE1029356B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM31409A DE1029356B (en) 1956-08-15 1956-08-15 Process for lowering the reduction temperature of metal oxides for the production of metal powders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM31409A DE1029356B (en) 1956-08-15 1956-08-15 Process for lowering the reduction temperature of metal oxides for the production of metal powders

Publications (1)

Publication Number Publication Date
DE1029356B true DE1029356B (en) 1958-05-08

Family

ID=7301226

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM31409A Pending DE1029356B (en) 1956-08-15 1956-08-15 Process for lowering the reduction temperature of metal oxides for the production of metal powders

Country Status (1)

Country Link
DE (1) DE1029356B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE440099C (en) * 1924-11-15 1927-01-24 Curt Kilian Process for the production of pig iron from dusty ores in a blast furnace
GB384327A (en) * 1931-05-19 1932-11-21 Wheadon Martin Grant Improvements in method of and apparatus for reducing metals from their oxides
US2107549A (en) * 1933-12-12 1938-02-08 Schmalfeldt Hans Process for the reduction of fine iron ores
AT176574B (en) * 1948-10-20 1953-11-10 Gerolf Dipl Ing Dr Strohmeier Process and device for the production of metals or metal alloys from fine-grained, metal-containing substances

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE440099C (en) * 1924-11-15 1927-01-24 Curt Kilian Process for the production of pig iron from dusty ores in a blast furnace
GB384327A (en) * 1931-05-19 1932-11-21 Wheadon Martin Grant Improvements in method of and apparatus for reducing metals from their oxides
US2107549A (en) * 1933-12-12 1938-02-08 Schmalfeldt Hans Process for the reduction of fine iron ores
AT176574B (en) * 1948-10-20 1953-11-10 Gerolf Dipl Ing Dr Strohmeier Process and device for the production of metals or metal alloys from fine-grained, metal-containing substances

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