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中南大学学报(英文版). 2021, (06)

Preparation of chitosan modified fly ash under acid condition and its adsorption mechanism for Cr（VI） in waterEnglish Full Text

JIANG Chun-lu;WANG Rui;CHEN Xing;ZHENG Liu-gen;CHENG Hua;School of Resource and Environmental Engineering, Anhui Province Engineering Laboratory for Mine Ecological Remediation, Anhui University;College of Geoscience and Surveying Engineering, China University of Mining ＆ Technology (Beijing);

Abstract: Chitosan-coated fly ash（CWF） was prepared by the acid leaching-coating method.Chitosan and fly ash were crosslinked in the solution of acetic acid and sulfuric acid.The microstructure of CWF was conducted by scanning electron microscope（SEM） and X-ray diffraction（XRD）.The removal of Cr（Ⅵ） from water by CWF was studied by adsorption experiments.The composite prepared by the experiment developed a pore structure and a crystal structure similar to SiO2 and chitosan chain-like coating was... More
Keywords：

chitosan; fly ash（CWF）; Cr（VI）; adsorption; modification;

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc; (B) Chemistry/ Metallurgy/ Environment/ Mine Industry

  • Subject：

    Fuel Chemistry Industry; Environment Science and Resources Utilization; Organic Chemical Industry

  • Classification Code：

    X703;TQ426;TQ536.4

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