FR1092902A - Procédé de production de métaux réfractaires - Google Patents

Procédé de production de métaux réfractaires

Info

Publication number
FR1092902A
FR1092902A FR1092902DA FR1092902A FR 1092902 A FR1092902 A FR 1092902A FR 1092902D A FR1092902D A FR 1092902DA FR 1092902 A FR1092902 A FR 1092902A
Authority
FR
France
Prior art keywords
production
refractory metals
refractory
metals
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.)
Expired
Application number
Other languages
English (en)
Inventor
Georges Pannier
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 filed Critical
Application granted granted Critical
Publication of FR1092902A publication Critical patent/FR1092902A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001Dry processes
    • C22B7/004Dry processes separating two or more metals by melting out (liquation), i.e. heating above the temperature of the lower melting metal component(s); by fractional crystallisation (controlled freezing)
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B35/00Obtaining beryllium
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
FR1092902D 1954-02-09 1954-02-09 Procédé de production de métaux réfractaires Expired FR1092902A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1092902T 1954-02-09

Publications (1)

Publication Number Publication Date
FR1092902A true FR1092902A (fr) 1955-04-28

Family

ID=9616266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1092902D Expired FR1092902A (fr) 1954-02-09 1954-02-09 Procédé de production de métaux réfractaires

Country Status (1)

Country Link
FR (1) FR1092902A (fr)

Similar Documents

Publication Publication Date Title
FR1184562A (fr) Procédé pour la production de composés acryliques
FR1144500A (fr) Procédé de production de métaux réfractaires
FR1171937A (fr) Procédé de production de la s-acétyl-glutathione
FR1170750A (fr) Procédé de production de cyanoalkylsilanes
FR1126794A (fr) Procédé de production d'hydrures métalliques
FR1169052A (fr) Procédé de production de gamma-cyanopropylsilanes
FR1138327A (fr) Procédé de production d'acylamino-amino-anthraquinones
FR1092902A (fr) Procédé de production de métaux réfractaires
FR1112494A (fr) Procédé de production de neutrocyanines
FR1105791A (fr) Procédé pour la production de perchloréthylène
FR1117083A (fr) Procédé de production de tétra-aza-porphines
FR1117082A (fr) Procédé de production de 2-amino-5-imino-pyrrolénines
FR1118222A (fr) Procédé de production de bis-sulfonamides
FR1223207A (fr) Procédé de production de thioacylhydrazones
FR1116674A (fr) Procédé de production de poudres métalliques
FR1135227A (fr) Procédé pour la production de métaux purs
FR1182449A (fr) Procédé pour la production de nu-nitroso-nu-alcoyl- et nu-nitroso-nu-cycloalcoyl-hydroxylamines
FR1120008A (fr) Procédé pour la production de tétrachlorofuranne
FR1179480A (fr) Procédé de production électrolytique de métaux réfractaires
FR1133540A (fr) Procédé pour la production de butadiène
FR1167648A (fr) Procédé de production de composés beta-aminovinylcarbonyliques
FR1106508A (fr) Procédé pour la production de diphénols
FR1139875A (fr) Procédé pour la production du magnésium
FR1118070A (fr) Procédé de production de pyridine-aldéhyde-thiosemicarbazones
FR1097472A (fr) Procédé de production de bis-guanyl-hydrazones