Hydrophobic polydimethylsiloxane thin-film composite membranes for the efficient pervaporative desalination of seawater and brines

Giuseppe Genduso, Anton Missinne,Zain Ali,Wojciech Ogieglo,Bart Van der Bruggen,Ingo Pinnau

Separation and Purification Technology（2022）

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摘要

•A PDMS composite membrane showed water flux of ~70 kg m-2 h-1 in pervaporation mode.•A PDMS membrane displayed better performance than hydrophilic polyamide RO membranes.•The presence of salt in the feed reduced the water flux for all membrane types.•PDMS-based membranes were less affected than hydrophilic membranes by salt in feed.

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关键词

Seawater desalination,Brine desalination,Pervaporation,Polydimethylsiloxane,Thin-film composite membrane

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