石墨烯(GN)材料作为一种新型的碳质吸附材料,具有耐高温、比表面积高以及良好的化学稳定性等特点,在污水处理方面具有很好的应用前景。综述了GN、形成GN的中间材料氧化石墨烯(GO)以及它们的复合材料在污水处理方面的研究进展。着重介绍了GN和GO的制备方法,分析讨论了GN和GO表面官能团与污水中重金属离子、染料和有机分子等污染物的相互作用机理及影响因素,并指出了GN和GO在环境修复方面的研究现状、存在的问题及发展方向,为未来GN和GO在污染物处理方面的应用提供了一些思路。
Graphene as a new carbonaceous adsorption material has high temperature resistance,large specific surface area and good chemical stability.Graphene based materials have been widely used for the adsorption of pollutants in water,and it is a good adsorbent for the treatment of sewage.The research progress of gaphene,graphene oxide and their composites in wastewater treatment were reviewed.The preparation of graphene/graphene oxide composites were introduced in detail.The interaction mechanism and influence factors between the surface functional groups of graphene/graphene oxide and the heavy metal ions,dyes and organic molecules in wastewater were discussed.The existing problems and promising trends of graphene/graphene oxide in environment remediation were also proposed.Some ideas were provided for the application of graphene/graphene oxide in the treatment of pollutants.
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基金资助
国家自然科学基金(21377063)
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