Title: Purifying process for waste liquid containing sodium rhodanate
Application Number: 93118047 Application Date: 1993.10.14
Publication Number: 1084828 Publication Date: 1994.04.06
Approval Pub. Date: Granted Pub. Date: 1995.08.09
International Classifi-cation: C01C3/20,C02F1/42
Applicant(s) Name: Acrylic Factory of Daqing Petrochemical Industry G Address: 163714
Inventor(s) Name: Liu Yuxian, Hou Yanggui
Attorney & Agent: MA HONGFA GAO YANGXIAN
Abstract:
     This invention relates to a treating method for waste water containing sodium thiocyanate. It uses weak-basic anion-exchange resin, the SCN- ion is removed from waste water through type-conversion, adsorption and scrubbing, and then the organic substance within it is removed through aeration so as to make the waste water reach the discharge standard.
Time: 9