Pervaporation dehydration of ethylene glycol/water mixture via hydrophilic polymer of intrinsic microporosity (PIM) derivatives

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dc.contributor.authorOh, Banseokko
dc.contributor.authorKim, Kyunamko
dc.contributor.authorKwon, YongSungko
dc.contributor.authorPark, You-Inko
dc.contributor.authorPark, Hosikko
dc.contributor.authorKoh, Dong-Yeunko
dc.date.accessioned2023-06-21T06:00:26Z-
dc.date.available2023-06-21T06:00:26Z-
dc.date.created2023-06-21-
dc.date.created2023-06-21-
dc.date.issued2023-08-
dc.identifier.citationJOURNAL OF MEMBRANE SCIENCE, v.680-
dc.identifier.issn0376-7388-
dc.identifier.urihttp://hdl.handle.net/10203/307398-
dc.description.abstractThe chemical process for manufacturing raw materials requires a substantial amount of organic solvent, and it is important to recover the solvent overused during the reaction. This work uses membrane pervaporation to recover ethylene glycol by dehydrating water from a mixture of ethylene glycol (EG) and water. As a feasible membrane material suitable for the dehydration of lean-EG/water (with a water content of 70-95 wt%), we suggest two hydrophilic derivatives from the polymer of intrinsic microporosity (PIM-1). Two PIM-derivatives, amidoxime-functionalized PIM (AO-PIM) and 2,4-diamino-1,3,5-triazine-functionalized PIM (DAT-PIM), were effectively produced through hydrophilic functional group modification and retained their intrinsic micropo-rosity based on a rigid and highly twisted polymer backbone. The PIM-derivatives showed increased water sorption capacity, resulting in tenfold greater water permeability of both PIM-derivative membranes than pure PIM-1. In addition, the modified membranes retained a water content of 99.9% in the permeate. This study demonstrated a simple method for modifying suitable dehydration materials while maintaining the original polymer's structural quality.-
dc.languageEnglish-
dc.publisherELSEVIER-
dc.titlePervaporation dehydration of ethylene glycol/water mixture via hydrophilic polymer of intrinsic microporosity (PIM) derivatives-
dc.typeArticle-
dc.identifier.wosid001002053500001-
dc.identifier.scopusid2-s2.0-85159197041-
dc.type.rimsART-
dc.citation.volume680-
dc.citation.publicationnameJOURNAL OF MEMBRANE SCIENCE-
dc.identifier.doi10.1016/j.memsci.2023.121707-
dc.contributor.localauthorKoh, Dong-Yeun-
dc.contributor.nonIdAuthorPark, You-In-
dc.contributor.nonIdAuthorPark, Hosik-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorPIM-1-
dc.subject.keywordAuthorHydrophilicity-
dc.subject.keywordAuthorEthylene glycol-
dc.subject.keywordAuthorPervaporation-
dc.subject.keywordAuthorDehydration-
dc.subject.keywordPlusHIGH-PERFORMANCE-
dc.subject.keywordPlusMEMBRANES-
dc.subject.keywordPlusSEPARATION-
dc.subject.keywordPlusREMOVAL-
dc.subject.keywordPlusRELAXATION-
dc.subject.keywordPlusALCOHOLS-
dc.subject.keywordPlusWATER-
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