Design and Practical Application of Mine Water Zero Discharge Treatment Project
According to the characteristics of high salinity and high hardness of the mine water,this project design adopted the combined process of caustic soda-soda ash softening and hard removal,ultrafiltration,reverse osmosis desalination and electrodialysis advanced treatment.The operation results show that the recovery rate of mine water is over 88%,the total salt removal rate is over 96.8%,the mass concentration of TDS(Total Dissolved Solid)of produced water is about 500 mg/L,and the total cost per ton of water treatment is equivalent to 36.22 yuan.All indicators of produced water meet the water quality standards of mine water,power plant water and greening water,and the system runs stably and has good effluent effect.
high mineralizationhigh hardnessmine waterzero emission
NETL
NSTL
万方数据
