Method of regenerating acetate in a metal removal process

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iva metal

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23302R, 23302T, 23295R, 260436, 423512A, 562608, C01G 2114

Patent

active

045086885

ABSTRACT:
A process for separating lead includes the steps of dissolving a water insoluble lead salt in an acetate solution and precipitating the lead by treating the acetate solution with a sulfite so as to form an insoluble lead sulfite. The acetate is recovered by concentrating the solution and precipitating the acetate therefrom, drying the acetate crystals and dissolving them in methanol. The methanol is then evaporated leaving purified acetate crystals. The process is shown as part of a precious metal recovery system in the treatment of tankhouse slime.

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Chemical Abstracts 78(12), 74027w.

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