Preparation of free‐standing chitosan membranes for Chlorella vulgaris harvest and examination on suppression of algae‐fouling properties
作者： Peng Wu , Zhaokai Wang , Weiwei Liu , Masanao Imai
DOI: 10.1111/WEJ.12410
关键词:
摘要: Free‐standing chitosan membranes were prepared using genipin as crosslinker, several molecular weights of polyethylene glycol (PEG) a void‐forming agent. The membrane surface formation and polymer chain crosslinking confirmed through SEM FTIR, respectively. water flux was remarkably increased with increasing weight PEG employed in preparation composite (J∝[PEG(MW)]0.85), it appeared over 6000 Da PEG. During Chlorella vulgaris harvest membranes, focus made on algae‐fouling caused by the deposition cells extracellular organic matter, found that employing lower (under 10000 Da) had been maintaining high recovery after alternating filtration cycles, addition to PEG20000 containing membrane. exhibited better suppression properties. harvesting results indicated cell rejection rate reached above 98%.
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