Method of electrolytically recovering zinc

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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204119, 204293, C25B 1103, C25C 116

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043648070

ABSTRACT:
A lead alloy anode for a cell for the electrowinning or electrolytic recovery of zinc consists of 0.05 to 0.25% by weight strontium and/or 0.05 to 0.1% by calcium in combination with 0.1 to 0.5 silver, balance lead. The cell is used in a method for the recovery of zinc at, for example, a current density of 160 to 630 amp/m.sup.2, a temperature of 30.degree. to 46.degree. C. and an electrolyte containing 40 to 70 g/l zinc and 165 to 220 g/l sulfuric acid.

REFERENCES:
patent: 4272339 (1981-06-01), Knight et al.
Chemical Abstracts, vol. 82, No. 20, May 19, 1975, Columbus, Ohio, USA (G. S. Kiryakov, "Prospective Improvements in Lead-Based Anodes", p. 398, col. 1, Abstract 130938r).
Chemical Abstracts, vol. 84, No. 16, Apr. 19, 1976, Columbus, Ohio, USA (G. Z. Kiryakov, "Lead Alloy", p. 293, col. 1, Abstract 110019e).
The Journal of Applied Chemistry of the USSR, vol. 24 II, 1951, pp. 1429-1439, (English translation), "Stability of Anodes of Lead . . . ", by G. Z. Kiryakov and V. V. Stender.
The Journal of Applied Chemistry of the USSR vol. 24, II, 1951, pp. 1429-139 (English translation) "Stability of Anodes of Lead . . . by G. Z. Kiryakov and V. V. Stender.
The Journal of Applied Chemistry in the USSR vol. 26I, 1953, pp. 847-849 (English translation) I. A. "Role of Lead Dioxide Films . . . " by G. Z. Kiryakov and Korchmarek
Blei und Bleilegierungen by Wilhelm Hofmann Germany, 1952, Springer-Verlag, pp. 285-288.

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