Electro-assisted regeneration of ion exchange resins
Electro-assisted regeneration(EAR)for the mixed bed of strongly acidic cation.and weakly basic anion.exchange resins with the AI(OH)3 suspension as regenerant in a three-compartment eell was investigated.The experimental results showed that the effect of resins regeneration was stricfly dependent of the applied voltage.the operation time and the feed regenerant flow rate.Tap water was treated by the regenerated mixed resins bv EAR.ne amount of the eftuent was reached 50 times volume of the resins bed,and the conductivity was less than 1.0us/cm.Compared to the conventional electro-regeneration(ER),the amount of the effluent with EAR was 1,000mL larger than that by ER under the same conditions which were the applied voltage of 60 V,the operation time of 4 h and the feed flow rate of0.2 mL/s.Moreover.the outlet conductivity was significantly lower than that bv ER.EAR overcalTle the ER shortage of the low regeneration efficiency.
Electro-assisted regeneration Al form resins Desalination Al(OH)3
LIU ZhiGang WANG Ying LI YanSheng CHANG Hui
School of Environmental & Chemical Engineering,Dalian Jiaotong University,Dalian 116021,China
国际会议
西安
英文
741-747
2008-05-15（万方平台首次上网日期，不代表论文的发表时间）