Dynamic Adsorption Properties of Quaternary Ammonium Ion Polyacrylonitrile Fiber on Dyes

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Abstract The quaternary ammonium ion polyacrylonitrile fiber adsorbent was prepared by quaternization of fiber. It was used to remove anionic dyes in water, and the dynamic adsorption performance of adsorbent on methyl orange was studied. The influence of concentration of methyl orange wastewater, height of adsorption column and flow rate on the breakthrough curve was investigated. Thomas model, Yoon-Nelson model and BDST model were used to fit these experimental data in order to predict the dynamic adsorption capacity, 50% and 10% breakthrough time of adsorbent when the concentration and flow rate changed. The prediction results are basically consistent with the experimental results, indicating that these three models can simulate the dynamic adsorption well in the actual industrial wastewater treatment.

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	Articles by authors
	Wang Lu
	Feng Jingjing
	Tao Minli

Keywords： anionic dye； dynamic adsorption； Thomas model； Yoon-Nelson model； BDST model

Received 2019-03-18;

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Wang Lu, Feng Jingjing, Tao Minli.Dynamic Adsorption Properties of Quaternary Ammonium Ion Polyacrylonitrile Fiber on Dyes[J] Chemcial Industry and Engineering, 2020,V37(2): 73-79

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