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DE113281T1 - Verfahren zur reduktion von metallischen verbindungen unter verwendung von polyolen und auf diese weise hergestelltes metallisches pulver. - Google Patents

Verfahren zur reduktion von metallischen verbindungen unter verwendung von polyolen und auf diese weise hergestelltes metallisches pulver.

Info

Publication number
DE113281T1
DE113281T1 DE198383402484T DE83402484T DE113281T1 DE 113281 T1 DE113281 T1 DE 113281T1 DE 198383402484 T DE198383402484 T DE 198383402484T DE 83402484 T DE83402484 T DE 83402484T DE 113281 T1 DE113281 T1 DE 113281T1
Authority
DE
Germany
Prior art keywords
glycol
salt
polyol
starting product
cobalt
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
DE198383402484T
Other languages
English (en)
Inventor
Fernand F-75019 Paris Fievet
Michel F-94200 Ivry Figlarz
Jean-Pierre F-91450 Soisy-Sur-Seine Lagier
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.)
Universite Paris Diderot Paris 7
Original Assignee
Universite Paris Diderot Paris 7
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 Universite Paris Diderot Paris 7 filed Critical Universite Paris Diderot Paris 7
Publication of DE113281T1 publication Critical patent/DE113281T1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/16—Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
  • Catalysts (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Claims (14)

Europ. Patentanmeldung 83 402 484.6 No. 0 113 281 Universite Paris VTI Patentansprüche
1. Verfahren zurELüssigphasenreduktion einer festen Zubereitung, ausgewählt aus den Oxyden, Hydroxiden oder Metallsalzen, dadurch gekennzeichnet, daß man die Reduktion in einem Polyol durchführt und die feste Metallzubereitung ausgewählt ist aus der Gruppe bestehend aus Gold, Palladium, Platin, Iridium, Osmium, Kupfer, Silber, Nickel, Kobalt, Blei und Cadmium, wobei eine Suspension des Ausgangsmaterials in einem bei Reaktionstemperatur flüssigen Polyol oder Polyolgemisch auf eine Temperatur von mindestens 85° C
liert.
85° C erwärmt und den gebildeten Metallniederschlag iso- ι
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man bei einer Temperatur von mindestens 100° C, insbesondere 100 bis 350° C arbeitet.
3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Polyol ein aliphatisches Glykol oder ein Polyäther des entsprechenden Glykols ist, das bei der Reaktionstemperatur flüssig ist.
4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß das Glykol ein Alkylenglykol ist, das bis 6 Kohlenstoffatome in der Hauptkette besitzt, oder ein Polyalkylenglykol, das von diesen Alkylenglykolen abgeleitet ist, darstellt.
5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß das Glykol ausgewählt ist aus der Gruppe bestehend aus Äthylenglykol, Propylenglykole, Butandiole, Dipropylenglykol und den bei Reaktionstemperatur flüssigen PoIyäthylenglykolen.
6. Verfahrennach Anspruch 5, dadurch gekennzeichnet, daß das Polyäthylenglykol ausgewählt ist aus Diäthylenglykol, Triäthylenglykol,- Tetraäthylenglykol und Polyäthylenglykol 300.
7. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Polyol Glycerol ist.
8. Verfahren nach den vorhergehenden Ansprüchen, dadurch gekennzeichnet, daß das Ausgangsprodukt Nickelhydroxid Ni(OH)0 oder ein Nickelsalz ist.
9. Verfahren nach den Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß das Ausgangsprodukt Kupferoxid Cu(OH)2, ein Kupferoxid CuO oder Cu2O oder ein Kupfersalz ist.
10. Verfahren nach den Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß das Ausgangsprodukt ein Silbersalz ist.
11. Verfahren nach den Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß das Ausgangsprodukt Kobalthydroxid Co(OH)2, Kobaltoxid Co,0^ oder ein Kobaltsalz ist.
12. Verfahren nach den Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß das Ausgangsprodukt Bleioxid oder ein Bleirsalz ist.
13. Verfahren nach den Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß das Ausgangsprodukt Cadmiumhydroxid
Cd(OH)2 oder ein Cadmiumsalz ist.
14. Metallpulver, dadurch gekennzeichnet, daß sie nach dem Verfahren gemäß einem der vorhergehenden Ansprüche erhalten worden sind.
DE198383402484T 1982-12-21 1983-12-20 Verfahren zur reduktion von metallischen verbindungen unter verwendung von polyolen und auf diese weise hergestelltes metallisches pulver. Pending DE113281T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8221483A FR2537898A1 (fr) 1982-12-21 1982-12-21 Procede de reduction de composes metalliques par les polyols, et poudres metalliques obtenues par ce procede

Publications (1)

Publication Number Publication Date
DE113281T1 true DE113281T1 (de) 1985-08-29

Family

ID=9280354

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8383402484T Expired DE3372939D1 (en) 1982-12-21 1983-12-20 Process for reducing metallic compounds using polyols, and metallic powders produced thereby
DE198383402484T Pending DE113281T1 (de) 1982-12-21 1983-12-20 Verfahren zur reduktion von metallischen verbindungen unter verwendung von polyolen und auf diese weise hergestelltes metallisches pulver.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8383402484T Expired DE3372939D1 (en) 1982-12-21 1983-12-20 Process for reducing metallic compounds using polyols, and metallic powders produced thereby

Country Status (6)

Country Link
US (1) US4539041A (de)
EP (1) EP0113281B1 (de)
JP (1) JPS59173206A (de)
AT (1) ATE28810T1 (de)
DE (2) DE3372939D1 (de)
FR (1) FR2537898A1 (de)

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JPS59173206A (ja) 1984-10-01
ATE28810T1 (de) 1987-08-15
US4539041A (en) 1985-09-03
JPH0424402B2 (de) 1992-04-27
FR2537898B1 (de) 1985-04-26
FR2537898A1 (fr) 1984-06-22
EP0113281A1 (de) 1984-07-11
EP0113281B1 (de) 1987-08-12

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