BE728789A - - Google Patents

Info

Publication number
BE728789A
BE728789A BE728789DA BE728789A BE 728789 A BE728789 A BE 728789A BE 728789D A BE728789D A BE 728789DA BE 728789 A BE728789 A BE 728789A
Authority
BE
Belgium
Prior art keywords
sep
acid
masses
particles
carbide
Prior art date
Application number
Other languages
English (en)
French (fr)
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
Publication of BE728789A publication Critical patent/BE728789A/fr

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
    • C22B34/00Obtaining refractory metals
    • C22B34/30Obtaining chromium, molybdenum or tungsten
    • C22B34/36Obtaining tungsten
    • C22B34/365Obtaining tungsten from spent catalysts
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/90Carbides
    • C01B32/907Oxycarbides; Sulfocarbides; Mixture of carbides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/90Carbides
    • C01B32/914Carbides of single elements
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/90Carbides
    • C01B32/914Carbides of single elements
    • C01B32/921Titanium carbide
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/90Carbides
    • C01B32/914Carbides of single elements
    • C01B32/949Tungsten or molybdenum carbides
    • 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
    • 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
    • C22B7/006Wet processes
    • 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
    • C22B7/006Wet processes
    • C22B7/007Wet processes by acid leaching
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BE728789D 1969-02-21 1969-02-21 BE728789A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE728789 1969-02-21

Publications (1)

Publication Number Publication Date
BE728789A true BE728789A (enrdf_load_stackoverflow) 1969-08-01

Family

ID=3854317

Family Applications (1)

Application Number Title Priority Date Filing Date
BE728789D BE728789A (enrdf_load_stackoverflow) 1969-02-21 1969-02-21

Country Status (1)

Country Link
BE (1) BE728789A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US3438730A (en) Method of disintegrating sintered hard carbide masses
EP0973692B1 (fr) Procede d'enrichissement de sel brut
CN106414316B (zh) 处理失效固体火箭推进剂的方法
NO331463B1 (no) Fremstilling av aluminium/silisium-legeringer
EP0216688B1 (fr) Procédé de traitement de minerais de terres rares
BE728789A (enrdf_load_stackoverflow)
EP0216687B1 (fr) Procédé de traitement de minerais de terres rares
FR2659665A1 (fr) Procede d'affinage, notamment de decuivrage, du plomb.
CA1224335A (fr) Pretraitement a haute temperature au moyen d'une solution aqueuse alcaline de minerais a gangue argileuse contenant au moins un element valorisable
FR2475067A1 (fr) Procede pour la preparation d'un cristal de carbonate de sodium anhydre
JPH09328307A (ja) 不純ダイヤモンド粉末の精製法
JP2008223078A (ja) 高純度チタンの製造方法
US633489A (en) Compound for resharpening files.
US689292A (en) Process of preserving butter.
CA1304943C (fr) Procede pour la production de metaux par reduction de sels metalliques
US526322A (en) Method of reducing animal fat
EP0199617A1 (fr) Procédé de traitement de minerai carnallitique
EP1196369A1 (fr) Procede de fabrication d'acide adipique
FR2706440A1 (fr) Procédé pour la cristallisation de chlorate de sodium et masse solide granulaire à base de chlorate de sodium.
LU85784A1 (fr) Procede de traitement de scorie d'acierie,en vue de sa valorisation
US1739992A (en) Process of working up mixed shavings of white metal and red metal
BE899005A (fr) Procede de traitement de scorie d'acierie, en vue de sa valorisation
BE544119A (enrdf_load_stackoverflow)
WO2006082341A1 (fr) Procede et dispositif de cristallisation
CH431973A (fr) Procédé de traitement des déchets non tannés de l'industrie des peaux et cuirs, en vue de diminuer leur teneur en eau, d'assurer leur conservation, et de faciliter leur manutention et leur évolution ultérieures