氧化石墨烯材料在污水处理中的应用研究进展

Research progress in the application of graphene oxide materials in wastewater treatment

氧化石墨烯材料具有巨大的比表面积、良好的亲水性和优异的吸附性能,在污水处理方面具有广阔的应用前景。综述了氧化石墨烯在污水处理方面的研究进展,重点分析了氧化石墨烯材料对污水中有机物、重金属和染料的吸附机理和吸附效果;氧化石墨烯作为吸附材料时其效果和成本都优于普通吸附材料;着重阐述了氧化石墨烯对水体污染物吸附性能的影响因素,如初始pH、氧化石墨烯投加量、污染物初始浓度、溶液温度等。总结了氧化石墨烯应用于污水处理时的适宜环境和条件,为未来氧化石墨烯在污水处理方面的应用提供一些思路。

Graphene oxide materials have broad application prospects in wastewater treatment due to their large specific surface area,good hydrophilicity and excellent adsorption properties. The research progress of graphene oxide materials in wastewater treatment was reviewed. The adsorption mechanism and adsorption effect of graphene oxide on three main components in sewage-organic matter,heavy metals and dyes were emphatically analyzed. Compared with the common adsorbent materials,it is found that graphene oxide as an adsorption material has better effect and less cost than ordinary adsorption materials. Then the factors influencing the adsorption of graphene oxide on water pollution,such as initial pH,dosage of graphene oxide,initial concentration of pollutants,solution temperature,etc.were elaborated in details. The most suitable environment and conditions for the application of graphene oxide materials in wastewater treatment were summarized. It provides some ideas for the future application of graphene oxide materials in wastewater treatment.