C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/162, 204/76.
C25C 1/00 (2006.01) C25C 7/00 (2006.01) C25C 7/02 (2006.01)
Patent
CA 1103199
ABSTRACT OF THE DISCLOSURE The present invention provides a process for preventing the generation of a mist of electrolyte in the electrowinning metal recovery which is carried out by using an aqueous solution of a metal salt as an electrolyte and an insoluble electrode, wherein the electrode is surrounded with an inert woven fabric screen over the effective area of the electrode plate including the bottom edge of the electrode plate, up to a position above the level of electrolyte, in parallel with and in the vicinity of the electrode plate. The present invention also provides a means for recovering gas generated on the electrode, wherein part of an electrode beam, except for an electric contact part, and an elec- trode plate surrounded with an inert woven fabric screen are cover- ed and sealed with an inert, gas-impermeable film in such a manner that the film is close to the outer sides of the screen and the lower ends of the film is extended below the level of electrolyte, thereby recovering gases generated on the electrode and escaping through the mesh of the fabric screen through a gas outlet.
248542
Shinohara Yukio
Ueno Kuniki
Fetherstonhaugh & Co.
Mitsui Mining & Smelting Co. Ltd.
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