Hydroxyl functionalized polytriazole-co-polyoxadiazole as substrates for forward osmosis membranes.
作者： Phuoc H. H. Duong , Stefan Chisca , Pei-Ying Hong , Hong Cheng , Suzana P. Nunes
DOI: 10.1021/AM508387D
关键词:
摘要: Hydroxyl functionalized polytriazole-co-polyoxadiazole (PTA–POD) copolymers have been synthesized and cast as promising highly thermally stable, chemically resistant, antiorganic/biological fouling porous substrates for the fabrication of thin-film composite (TFC) forward osmosis (FO) membranes. The roles PTA/POD ratios in membrane substrates, TFC layers, FO performance investigated. This study demonstrates that substrate fabricated from copolymer containing 40 mol % PTA is optimal Compared to POD–TFC membrane, PTA–TFC exhibits a remarkable decrease structural parameter (S) more than 3.3 times. In addition, characterized by high water fluxes 24.9 LMH 47.2 using 1 M NaCl draw solution DI feed under pressure retarded (PRO) modes, respectively. polysulfone (PSU) supported TFC-FO similar cond...
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