Journal
CARBOHYDRATE POLYMERS
Volume 72, Issue 2, Pages 326-333Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2007.08.019
Keywords
dialdehyde starch; dialdehyde starch aminothiazole; Cu (II); adsorption
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Novel Schiff base type starch dialdehyde aminothiazole (DASAT) was synthesized by the reaction of aminothiazole and dialdehyde starch (DAS) from periodate oxidized corn starch. The DASAT was characterized by element analysis, FT-IR spectra and SEM. DASATs with different DS (0.29,0.46 and 0.78) of arninothiazole were prepared and their adsorption properties for Cu (II) ions from aqueous solution were investigated. Batch adsorption experiments were carried out as a function of adsorption time, pH, initial Cu (II) ions concentration and temperature. The adsorption follows the Langmuir isotherm and the adsorption capacity increases with the increasing DS of the DASAT. Moreover, the adsorption process is endothermic, and higher temperature is favorable to the adsorption of Cu (II) ions. (c) 2007 Elsevier Ltd. All rights reserved.
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