C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/76
C25C 1/14 (2006.01) C22B 25/04 (1985.01)
Patent
CA 1239613
ABSTRACT OF THE DISCLOSURE The present invention provides a process for the recovery of tin from starting materials or concentrates of oxide or oxide sulphide, low in tin content. The process comprises the decomposition of the starting material by melting with potassium hydroxide under inert gas or in air, and then leaching with water. Following such leaching metallic tin is then recovered electrolytically.
482249
Hanusch Kunibert
Krajewski Wolfgang
Johnson Douglas S. Q.c.
Preussag Aktiengesellschaft Metall
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