Brief description of the tanning of the skins with trivalent chromium salts in the tanks, without any residual bath for reasons ecological

摘要

The tanning of the skins with trivalent chromium salts in the tanks, without any residual bath for reasons ecological. / p & & p & this makes it possible to avoid any contamination by the liquid spills, characterizes in that, in the tank or drum tanning treatment is carried out with a liquid phase practically limited has a quantity corresponding to the water of imbibition of the skins to the state of "triple.