Process to separate and recover the solid and liquid phases from

Details Process to separate and recover the solid and liquid phases from Process to separate and recover the solid and liquid phases from

1975-04-21

1976-12-14

Kight, III, John

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

8 9415, 8 9417, C14C 106, C14C 108

Patent

active

039972909

ABSTRACT:
The present invention provides a process to separate and recover the solid and liquid phases from treatment baths of hides and skins. The solid phase contains valuable components used in a variety of industries providing a wide field of industrial applications. The liquid phase or treatment bath from hides and skins is practically used in indefinite forms to treat hides and skins and to prepare them for further tanning or preservation.
Practically no part of the treatment bath from hides and skins is wasted, and this involves a great saving of water and chemical agents such as salts, bases and acids that take part in the preparation of hides and skins. Besides, the environment is not contaminated as these harmful waste waters are not disposed of and gases, such as hydrosulfuric acid, can be recuperated.

REFERENCES:
patent: 2516806 (1950-07-01), Schneider
patent: 3194865 (1965-07-01), Fagan et al.
patent: 3741722 (1973-06-01), Elvrum

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