Electrogalvanizing utilizing primary and secondary zinc sources

Details Electrogalvanizing utilizing primary and secondary zinc sources Electrogalvanizing utilizing primary and secondary zinc sources

1985-01-31

1985-11-12

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204119, 75101BE, 75110, 75120, 423 95, 423100, 423128, 423145, 423166, C25C 322

Patent

active

045526290

ABSTRACT:
A hydrometallurgical process is provided to electrogalvanize steel, utilizing primary and secondary zinc sources. The process consists of leaching the feed in a mildly acidic solution. The zinc is selectively recovered from the leach liquor in a solvent extraction system and thereafter stripped from the solvent using a stronger acidic solution to provide a strip solution which is fed to an electrogalvanizing bath for electrogalvanizing steel products, e.g., sheet steel, using insoluble anodes. Acidic solutions and organic solvent are recycled in the process.

REFERENCES:
patent: 4362607 (1982-12-01), Ritcey et al.
patent: 4421616 (1983-12-01), Bjune et al.
patent: 4465569 (1984-08-01), Bjune et al.

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