Title: Method for purifying waste liquid containing sodium thiocyanate by simulating moving bed
Application Number: 94101544 Application Date: 1994.03.07
Publication Number: 1095044 Publication Date: 1994.11.16
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C01C3/20,C02F1/42
Applicant(s) Name: Daqing Inst. of Petro-chemical General Factory, Ch Address: 163352
Inventor(s) Name: Zhao Zhihe, Lu Dizhu
Attorney & Agent: GAO YANGXIAN
Abstract:
     The present invention relates to a method using ion retarding resin analog moving bed to purify waste liquid containing sodium thiocyanate. Its impurity deprivation ratio is up to 80-90%, and percentage loss of NaSCN is 3-5%, product purity is 98-99%. Said method is a simple, easy, high-efficiency and low-cost method for purifying sodium thiocyanate.
Time: 4