GB168097A - Treatment of copper nickel matte - Google Patents

Treatment of copper nickel matte

Info

Publication number
GB168097A
GB168097A GB1089520A GB1089520A GB168097A GB 168097 A GB168097 A GB 168097A GB 1089520 A GB1089520 A GB 1089520A GB 1089520 A GB1089520 A GB 1089520A GB 168097 A GB168097 A GB 168097A
Authority
GB
United Kingdom
Prior art keywords
caustic soda
nickel
sodium
mixture
copper
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
GB1089520A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1089520A priority Critical patent/GB168097A/en
Publication of GB168097A publication Critical patent/GB168097A/en
Expired 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • C22B23/025—Obtaining nickel or cobalt by dry processes with formation of a matte or by matte refining or converting into nickel or cobalt, e.g. by the Oxford process

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

Finely-divided copper-nickel matte or a mixture of copper and nickel sulphides, is heated with powdered caustic soda or with a mixture of caustic soda and sodium carbonate, common salt, sodium sulphate, sodium sulphide, or lime, and with or without the addition of a small proportion of powdered coal. The operation may be performed in an open or closed vessel, or in a rarefied or inert atmosphere, or in hydrogen. Sulphides, hydrosulphides, and thiosulphates of sodium are formed and metallic copper and nickel are precipitated. Lime, with or without the addition of other salts, may be used instead of caustic soda, the temperature required being higher than in the case of caustic soda. The mixture of metals may be treated with sulphuric acid for the formation of nickel sulphate. Reference has been directed by the Comptroller to Specification 499/93.
GB1089520A 1920-04-20 1920-04-20 Treatment of copper nickel matte Expired GB168097A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1089520A GB168097A (en) 1920-04-20 1920-04-20 Treatment of copper nickel matte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1089520A GB168097A (en) 1920-04-20 1920-04-20 Treatment of copper nickel matte

Publications (1)

Publication Number Publication Date
GB168097A true GB168097A (en) 1921-08-22

Family

ID=9976285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1089520A Expired GB168097A (en) 1920-04-20 1920-04-20 Treatment of copper nickel matte

Country Status (1)

Country Link
GB (1) GB168097A (en)

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