Document Type : Original Article
1 Hangzhou Normal University Qianjiang College, Zhejiang Hangzhou 310018, China
2 Zhejiang Tianchuan Environmental Production and Technology Co., Ltd, Hangzhou 310015, China
3 School of Engineering, Hangzhou Normal University, Zhejiang Hangzhou 311121, China
A pilot-scale microfiltration poly-vinylidene fluoride (PVDF) layer with numerous vent sizes about 0.1 ㎛ and 0.05 ㎛ has been performed after sediment utilizing a poly-silicate iron (PSI) as coagulant has been manufactured and utilized. Feculence has been released totally and organic material, humic essences, and metals (Al, Fe) have been released nicely by the practical system. Therefore, it has been deduced that a velum with dense skin has been more practical for decreasing velum sediment than a velum by analogous structure though the former nominal pore size of about 0.05 ㎛ has been less than that of the latter of about 0.1 ㎛. It has yet stayed for study the results on velum sediment of the relations among organic and oxidized inorganic materials like Fe and Mn that happen in pre chlorination.
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