Enhancement of spiral nanofiltration membranes using gas sparging:application to MgSO4 solution
LIU Qijie, WANG Shu, GUO Zhujie, XIE Chengsheng
CIESC Journal . 2012, (12): 3920 -3926 .  DOI: 10.3969/j.issn.0438-1157.2012.12.026