Journal
DESALINATION AND WATER TREATMENT
Volume 56, Issue 2, Pages 452-462Publisher
DESALINATION PUBL
DOI: 10.1080/19443994.2014.938304
Keywords
Dibutyl phthalate; Vanillin; Chitosan; Microwave radiation; Adsorption kinetics
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Funding
- Natural Science Foundation of China [31270680]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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To remove dibutyl phthalate from aqueous solution with vanillin-modified chitosan beads (CTSV), the environmental materials (chitosan and vanillin) were prepared by the green chemistry modification technology of microwave radiation. Compared with unmodified chitosan powders and beads, this new material CTSV was characterized with satisfied adsorption capacity by scanning electron microscope and Fourier translation transform-infrared analyses. Dynamics investigation and isothermal research were conducted to clarify the adsorption process of the CTSV. Results suggested that the adsorption process could be well described by Freundlich model. Meanwhile, dynamics investigation showed that the adsorption equilibrium could be reached after an hour and the correlative coefficient of pseudo-second-order kinetic model was 0.9333.
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