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Thermally rearranged polymer membranes for desalination

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Abstract

Herein, we demonstrate thermally rearranged polybenzoxazole-co-imide (TR-PBOI) electrospun nanocomposite membranes for membrane distillation and membrane crystallization applications. We seek to demonstrate that a synergistic combination of TR polymers, porous nanofibrous membranes, and particle coating improves the long-term stability while maintaining high porosity and water flux. The fabricated membranes exhibit an excellent water flux (80 kg m(-2) h(-1)) and NaCl rejection (499.99%) with steady performance over more than 186 hours. In addition, for the first time, controlling the heterogeneous nucleation phenomena in membrane crystallization was clearly demonstrated using TR membrane morphology.We appreciate the financial support from the Nano Material Technology Development Program (2012M3A7B4049745) through the National Research Foundation (NRF) funded by the Ministry of Science, ICT and Future Planning

Topics: NANOFIBER MEMBRANES, HETEROGENEOUS NUCLEATION, FIBER MEMBRANES, RECENT PROGRESS, PVDF MEMBRANES, DISTILLATION, FABRICATION, POLYBENZOXAZOLE, CRYSTALLIZERS, ENERGY
Publisher: ROYAL SOC CHEMISTRY
Year: 2016
DOI identifier: 10.1039/c5ee03768a
OAI identifier: oai:repository.hanyang.ac.kr:20.500.11754/37088
Provided by: HANYANG Repository
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