Metal treatment – Compositions – Fluxing
Patent
1997-02-04
1998-09-22
Andrews, Melvyn
Metal treatment
Compositions
Fluxing
423101, 423622, 205305, B23K 3534
Patent
active
058109463
ABSTRACT:
A method for the production of zinc ammonium chloride complex salts for use as galvanizing fluxes by heating waste materials captured from industrial processes containing zinc in a reducing atmosphere, leaching the resultant captured waste materials in an ammonium chloride solution resulting in a first product solution and a first undissolved materials, adding zinc metal to the first product solution resulting in a second product solution and a second undissolved materials, and adding additional ammonium chloride and/or hydrochloric acid to the second product solution resulting in the production of zinc ammonium chloride complex salts for use as galvanizing fluxes.
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Cudahy Michael W.
Myerson Allan S.
Andrews Melvyn
Metals Recycling Technologies Corp.
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