Abstract: Based on a large number of literature research,the preparation methods for environmental friendly chitosan-derived adsorption materials are systematically reviewed and the application of chitosan-derived adsorption materials in wastewater treatment are also described.This review also involves in the adsorption mechanism of chitosan-series adsorbents to heavy metal ions,the preparation method of the adsorbents and the application effect of the adsorbents in the treatment of Cu2+,Pb2+,CR2+ and other heavy metal ions.Based on this,the research status and direction about chitosan-based adsorbent are summarized and prospected in order to provide some theoretical references for the coming research.
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