Recovery of the zinc contained in the residual solutions obtaine

Details Recovery of the zinc contained in the residual solutions obtaine Recovery of the zinc contained in the residual solutions obtaine

1977-04-01

1978-08-22

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

75101BE, 423100, 204233, C25C 116, C25D 2116, C25D 2122

Patent

active

041087445

ABSTRACT:
Process for the recovery of the zinc contained in the residual solutions obtained after electrolytic deposition by fixing the zinc (none of the other metals present in the solution being included in said complex), in the form of a complex by adding of a alkaline metal halide (sodium chloride preferred) to the residual solution adjusted to a low acidity, for example, by dialysis. The process permits the almost total recovery of zinc, and a large part of sulfuric acid.

REFERENCES:
patent: 3488184 (1970-01-01), Hesler
patent: 3488185 (1970-01-01), Oberhofer
patent: 3537845 (1970-11-01), Oberhofer
patent: 3929598 (1975-12-01), Stern et al.

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