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Amine‐Terminated PAN Membranes as Anion‐Adsorber Materials
Author(s) -
Glass Sarah,
Mantel Tomi,
Appold Michael,
Sen Sitashree,
Usman Muhammad,
Ernst Mathias,
Filiz Volkan
Publication year - 2021
Publication title -
chemie ingenieur technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.365
H-Index - 36
eISSN - 1522-2640
pISSN - 0009-286X
DOI - 10.1002/cite.202100037
Subject(s) - membrane , arsenate , polyacrylonitrile , amine gas treating , adsorption , chemistry , ultrafiltration (renal) , chromate conversion coating , zeta potential , ion exchange , inorganic chemistry , chemical engineering , polymer , polymer chemistry , organic chemistry , chromatography , ion , arsenic , chromium , nanoparticle , biochemistry , engineering
Anion‐adsorbing membranes provide an interesting possibility to remove toxic arsenate and chromate from drinking water. A promising way to prepare anion‐exchange materials is to introduce positively charged amine groups on polymers. In this study, polyacrylonitrile (PAN) ultrafiltration membranes were modified with amine functionalities on the membranes. The success of the modifications was demonstrated using infrared spectroscopy and zeta potential measurements. Additionally, the arsenate adsorption was analyzed. The modified membrane showed arsenate adsorption 5 times higher than the pristine PAN membrane.