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Title: Method for the reclamation of zinc from galvanizing baths

Abstract: Zinc is removed in a substantially pure form from the dross skimmings of galvanizing baths. The dross is poured into a mold and solidified. The solidified mold is then placed on a permeable base and in the substantial absence of agitation, reheated to a temperature of 420.degree. to 700.degree. C to melt out the zinc in an uncontaminated form.


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Inventors: Leonard, Ralph William (Pittsburgh, PA, US)

Application Number: 784004
Filing Date: 1977-04-04
Publication_date: 1978-02-21
Assignee: United States Steel Corporation (Pittsburgh, PA)
Primary Class(es): 75/655
Other Classes:
US Patent Ref:
831123Sep, 1906Wagner266/227.
1515140Nov, 1924Bornemann75/88.
1821105Sep, 1931McMeans266/227.

Other Refs:
Primary Examiner: Andrews, M. J.
Assistant Examiner:
Attorney: Greif; Arthur J.