Application of a triblock copolymer additive modified polyvinylidene fluoride membrane for effective oil/water separation.

ABSTRACT: A hollow fibre membrane was fabricated by blending polyvinylidene fluoride (PVDF) with a triblock copolymer additive polymer that has both hydrophilic and oleophobic surface properties. The novel membrane was characterized and examined for oil/water separation under various system conditions, including different cross-flow rate, feed temperature, trans-membrane pressure, and its rejection and cleaning efficiency, etc. By applying the membrane into the filtration of synthesized oil/water emulsion, the membrane constantly achieved an oil rejection rate of above 99%, with a relatively constant permeate flux varied in the range of 68.9-59.0 l m^-2 h^-1. More importantly, the fouling of the used membrane can be easily removed by simple water flushing. The membrane also demon

SUBMITTER: Shen SS 

PROVIDER: S-EPMC5990766 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature