国产纳滤膜在化工废水零排放中的应用研究
王思亮,王念军,刘磊,田仁俊

Research on application of domestic nanofiltration membranes in zero discharge of chemical wastewater
Siliang Wang,Nianjun Wang,Lei Liu,Renjun Tian
图4 纳滤系统pH对浓水中Ca2+、SO42-浓度的影响