期刊
POLYMERS
卷 11, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/polym11030502
关键词
bentonite; adsorbent; polyallyl amines; Amido black 10B
资金
- National Natural Science Foundation of China [51672106, 21802052]
- Key Research and Development Program of Shandong Province [2017GGX70104]
The main object of this work is to remove Amido black 10B using a new type of bentonite-based adsorbent with cationic groups by the modification of polyallyl amines between the interlayers of bentonite. Fourier transform infrared, X-ray diffraction, thermogravimetric analysis, and scanning electron microscopy were used to characterize the functionalized bentonite. A series of batch adsorption experiments were performed. The maximum adsorption amount was 144.08 mg g(-1) when the pH was 2 and the contact time was 120 min. In addition, the equilibrium isotherm data were analyzed using Langmuir and Freundlich isotherm models, while only the Langmuir model could provide a high correlation. Therefore, this study provided a new functionalized bentonite as a low-cost adsorbent for dye removal from water.
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