Title: Produce industrial getatin by alburnums of blue vitriol leather
Application Number: 90105684 Application Date: 1990.06.15
Publication Number: 1048548 Publication Date: 1990.01.16
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C07K3/02,C07K15/06
Applicant(s) Name: Ye Zhi-yuan Address: 244000
Inventor(s) Name:
Attorney & Agent: SUN QINGFA
Abstract:
     This is a new technique of using leftover bits and pieces of blue vitriol leather for the production of industrial gelatin. It adopts once alkali treatment and once acid treatment, gelatin can be collected after neutralization. The whole production period needs only 7-10 days. The raw material is simple, easily to operate, the quality of the products is stable and the cost is lower. At the same time, Cr3 is recovered, no pollution of waste residue.
Time: 6