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Bentonite Modified by Allylamine Polymer for Adsorption of Amido Black 10B

Overview
Journal Polymers (Basel)
Publisher MDPI
Date 2019 Apr 10
PMID 30960486
Citations 5
Authors
Wenjuan Guo
Tingcheng Xia
Meishan Pei
Yankai Du
Luyan Wang
Affiliations
Soon will be listed here.
Abstract

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 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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