Harvesting Microalgae Biomass Using Sulfonated Polyethersulfone (SPES)/PES Porous Membranes in Forward Osmosis Processes

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Harvesting Microalgae Biomass Using Sulfonated Polyethersulfone (SPES)/PES Porous Membranes in Forward Osmosis Processes ZHOU Qi1), 2), YANG Yang1), 2), WANG Xiaojuan1), 2), *, WANG Qun3), WANG Shuxin4), GAO Xueli1), 2), *, and GAO Congjie1), 2) 1) Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China 2) College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China 3) College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China 4) Zhaoyuan Marine and Fishery Supervision and Inspection Squadron, Zhaoyuan 265400, China (Received November 11, 2019; revised June 26, 2020; accepted September 24, 2020) © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2020 Abstract This study was performed to investigate the availability of forward osmosis (FO) for microalgae harvesting using sulfonated polyethersulfone (SPES)/PES porous membranes. In FO process, porous membranes (< 25.0 L m−2 h−1) exhibited more superior water flux than TFC FO membranes (