Title: Process for extracting vinegar (including acetic acid) from waste wine-distilling liquid
Application Number: 98116981 Application Date: 1998.07.30
Publication Number: 1243876 Publication Date: 2000.02.09
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C12J1/00
Applicant(s) Name: Hou Hancheng Address: 644000
Inventor(s) Name:
Attorney & Agent:
Abstract:
     A process for extracting vinegar (including acetic acid) from the waste liquid after distilling wine includes such steps as oxidizing the reduction matter in the waste liquid with oxidant, adding alkali to neutralize acetic acid in it, filtering deposited matter containing amino acids and protein, concentrating filtrate, acidifying with inorganic acid, and distilling out vinegar (including acetic acid).
Time: 8