| 混凝剂后絮凝对超滤反渗透膜系统影响的研究 | 
| 杨军,周婕,张楠,徐海波 | 
| Effect of Re-flocculation of coagulant on ultrafiltration and reverse osmosis membrane system | 
| Jun YANG,Jie ZHOU,Nan ZHANG,Haibo XU | 
| 图2 调节pH对上清液中铝离子残留浓度的影响 | 
| Fig. 2 Effect of adjusting pH on residual concentration of aluminum ion in supernatant | 
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