Abstract：
:Substantial amounts of industrial, agricultural, medical and domestic water worldwide are polluted by different types of contaminants. Removing these contaminants from effluent by adsorbent materials made from abundant, inexpensive polysaccharides is a feasible and promising approach to deal with this problem. In the present study, pectin blended with four other types of anionic polysaccharides, including alginate, carrageenan, xylan and xanthan, were crosslinked with zinc acetate and formed into thin films. In addition, a negatively charged polyelectrolyte, poly(4-styrenesulfonic acid-co-maleic acid) sodium salt (PSSMA) was coated on the film surface with the goal of increasing the capture of cationic contaminants. The average film thickness was measured by a digital micrometer. Surface morphologies and element analysis were obtained by energy dispersive spectroscopy connected with scanning electron microscopy. The swelling ratio and the mechanical properties of the films were investigated in relationship to their composition and PSSMA coating. The sorption of model cationic pollutants clearly improved for coated films and showed to be predominantly based on the interaction of positively and negatively charged groups between film/coating and contaminants.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Li M,Buschle-Diller Gdoi
10.1016/j.ijbiomac.2017.03.091subject
Has Abstractpub_date
2017-08-01 00:00:00pages
481-489eissn
0141-8130issn
1879-0003pii
S0141-8130(16)32234-6journal_volume
101pub_type
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
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更新日期：2020-07-15 00:00:00
