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HERO ID
8116681
Reference Type
Journal Article
Title
Removal of multiple heavy metal ions using a macromolecule chelating flocculant xanthated chitosan
Author(s)
Yang, K; Wang, G; Liu, F; Wang, X; Chen, X
Year
2019
Is Peer Reviewed?
1
Journal
Water Science and Technology
ISSN:
0273-1223
EISSN:
1996-9732
Volume
79
Issue
12
Page Numbers
2289-2297
Language
English
PMID
31411583
DOI
10.2166/wst.2019.230
Web of Science Id
WOS:000481570100008
Abstract
In this paper, the removal performance and mechanism of xanthated chitosan (XCTS) towards heavy metal ions are investigated. XCTS possesses both strong chelating abilities and excellent flocculation properties, which can effectively remove several kinds of heavy metal ions, such as Cr3+, Cu2+, Mn2+, Ni2+, Pb2+ and Zn2+. It has a good potential for practical application. In a flocculation test of a mixed component solution, the removal rates of Cr3+, Cu2+ and Cd2+ reach 100%, 100% and 99.1%, respectively. The removal rates are significantly greater than that of a single component solution. It indicates that there is a synergistic effect between different metal ions. Moreover, the selectivity of XCTS for Cr3+ and Cu2+ is obviously superior to that for Cd2+; XCTS is easier to combine with the heavy metal ions belonging to hard acids.
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