Bentonite-Copolymer Composite for Removing Basic Fuchsin

Abstract:

Basic Fuchsin (BF) is a toxic triphenylmethane dye with molecular formula C₂₀H₂₀ClN₃, which is easy to caused serious public health problems. There is a need to develop a cost effective method for its removal from the wastewater containing BF. Here, a novel composite polymer adsorbent, poly (maleic anhydride - acrylic acid - vinyl acetate)/Na-bentonite composite cross-linked with N,N'-methylenebisacrylamide was prepared by in situ copolymerization. The polymer adsorbent (NaB-PMAVM) was characterized and applied to remove BF. It was found that the removal of BF reached to 95.96%. The adsorption isotherms and kinetics were best-fit with the Freundlich isotherm model and the pseudo-second-order kinetic, respectively.

• Periodical: Key Engineering Materials (Volume 726)
• Pages: 345-349
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.726.345
• Online since: January 2017
• Authors: Yu Feng He*, Hong Li, Zhen Hua Zhang, Ting Jun Lu, Rong Min Wang
• Keywords: Adsorption, Composite Adsorbent, Na-Bentonite Based Polymer, Removing Basic Fuchsin

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