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In this paper, the effects of PPESK concentration, and additives of PEO–PPO–PEO, oxalic acid/PEO–PPO–PEO, nano-TiO2/oxalic acid/PEO–PPO–PEO on membrane performances and arsenic adsorption properties were investigated. Compared with single additive of PEO–PPO–PEO, oxalic acid/PEO–PPO–PEO or nano-TiO2/oxalic acid/PEO–PPO–PEO had better pore-forming ability. It was found that PPESK membranes with additives...
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