Research progress of adsorption of dyes in wastewater by chitosan/graphene oxide aerogel
As chitosan/grapheme oxide(CS/GO)aerogel has characteristics of strong adsorption capability,large specific surface area,abundant functional groups,good mechanical stability,and so on,it has been studied and widely applied in dyestuff-containing wastewater treatment.The preparation methods of CS/GO aerogel in-cludes:hydrothermal,crosslinking,templating and stem grafting,were introduced,and the mechanism of CS/GO aerogel adsorbing dyes was explored.The cyclic utilization performance of CS/GO aerogel was elaborated,the challenges the said material face when optimizing the adsorption capability,were pointed out;besides,the devel-opment prospected of it in the field of dyestuff adsorption in the future was expected.
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