Research on Treating Polymer Flooding Wastewater by Electrocatalysis-Photoelectro Catalysis Combined Technique
With the characteristics of high viscosity,high degree of emulsification,difficult oil-water separation and poor biodegradability,the polymer flooding wastewater was treated by electrocatalysis-photoelectrocatalysis combined technique.The results show that the retention time,pH and current density have obvious influence,while temperature has little effect on the treatment efficacy.COD and mass concentration of oil in the effluent are 40～55 mg/L,0.8～1.4 mg/L,respectively,when the wastewater with initial COD of 350～450 mg/L,mass concentration ofoil of25～30 mg/L is treated under the conditions ofpH of 5,current density of 30 mA/cm2,retention time of 12 min in electrocatalysis unit,while current density of 8 mA/cm2,retention time of 40 min in photoelectron catalysis unit,which met the requirements of DB 37/676-2007.
NETL
NSTL
万方数据
维普
