期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 461, 期 -, 页码 151-157出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2014.07.027
关键词
Chitosan; Sorption; Iron ions; Dissolved oxygen
资金
- European Social Fund Agency EUREKA project E!5808 BIOSOEX [VP1-3.1-SMM-06-V-01-003]
The Fe(II) and Fe(III) ions uptake by chitosan is distinguished by rapid sorption kinetics in comparison with that of other heavy metals such as Cu(II) and Ni(II). The correlation between the kinetics of dissolved oxygen and Fe(II) ions sorption by chitosan points to the different sorption mechanisms for Fe(II) and Fe(III). The consumption of dissolved oxygen corresponds to the sorbed Fe(II) quantities indicating its conversion to Fe(III). Only Fe(III) is sorbed by chitosan. The sorption proceeds by the interaction of these ions with -OH groups of chitosan. (C) 2014 Elsevier B.V. All rights reserved.
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