process for tanning of hides and beef consumption and depletion of chromium in tanning advance fleets

摘要

the wapping of bovine hides, according to the invention, allows kicking leather with chromium salts without being spaltuite,the purpose uses a mixture of organic acids dicarboxilici private, residual (70 - 80% glutaric acid, succinic acid 8..10% adipic acid 12.20%, traces of iron, copper, chromium, calcium, magnesium) in the form of 50% 50% free acid and sodium salt thereof, depending on the type of cattle hides brite offers chromein the form of cr2o3 and the mixture of 50% dicarboxilici acids, their salts savinesti type and 50% sodium.