Treatment of sulfide-limed pelts in acid baths

Details Treatment of sulfide-limed pelts in acid baths Treatment of sulfide-limed pelts in acid baths

1977-05-03

1978-08-08

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Treatment of untanned skins or hides

8 941R, 8 9418, 8 9425, C14C 100, C14C 108

Patent

active

041054024

ABSTRACT:
A method of treating sulfide-limed pelts in improved acid treating baths for purposes of de-liming, bating, pickling, or pre-tanning is disclosed. The improved baths contain water-soluble salts of manganese, cobalt, nickel, titanium, or zirconium, which salts discourage hydrogen sulfide formation during the acid treatment.

REFERENCES:
strack, W., Das Leder, 1967, 18, pp. 233-235.
Zehender, F., "Oxidation of Sulfide-Sulfur with Manganese Salt", Chem. Abs., 1970, 73 (No. 8).

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