Functional graphene oxide nanosheets modified with cyclodextrins for removal of Bisphenol A from water

作     者：Zhi-Hao Chen Zhuang Liu Lei Zhang Quan-Wei Cai Jia-Qi Hu Wei Wang Xiao-Jie Ju Rui Xie Liang-Yin Chu Zhi-Hao Chen;Zhuang Liu;Lei Zhang;Quan-Wei Cai;Jia-Qi Hu;Wei Wang;Xiao-Jie Ju;Rui Xie;Liang-Yin Chu

作者机构：School of Chemical EngineeringSichuan UniversityChengdu 610065China State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu 610065China 

出 版 物：《Chinese Journal of Chemical Engineering》 (中国化学工程学报（英文版）)

年 卷 期：2021年第34卷第11期

页      面：79-87页

核心收录：

学科分类：081702[工学-化学工艺] 07[理学] 070205[理学-凝聚态物理] 08[工学] 0710[理学-生物学] 083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 1002[医学-临床医学] 1001[医学-基础医学(可授医学、理学学位)] 0817[工学-化学工程与技术] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 0702[理学-物理学] 

基　　金：the National Natural Science Foundation of China(21490582) 

主　　题：Adsorption separation b-Cyclodextrin Bisphenol A Graphene oxide nanosheets Dopamine 

摘      要：A novel type of functional graphene oxide nanosheets(GNs)modified with b-cyclodextrins(b-CDs)have been developed by coating dopamine-functionalized cyclodextrin(DACD)molecules on GNs for removing Bisphenol A(BPA)molecules from *** DACD molecules with both b-CD groups for achieving adsorption property and dopamine(DA)groups for achieving adhesion property are synthesized by grafting DA onto carboxymethyl-b-cyclodextrin(CmbCD).The proposed DACD molecules can be firmly coated on the surfaces of various inorganic and organic *** to the large specific surface area of GNs,DACD-coated GNs(DACD@GNs)are proposed for efficient adsorption separation of BPA molecules from *** to the host-gust complexation between the BPA molecules in water and b-CDs on DACD@GNs,the fabricated DACD@GNs exhibit excellent adsorption *** adsorption kinetics can be explained via the pseudo-second-order model *** experimental adsorption capacity of DACD@GNs is 11.29 mg·g^(-1) for ***,after the adsorption process,the DACD@GNs can be easily separated from aqueous solutions via vacuum filtration with porous membranes,and then regenerated by simply washing with *** proposed strategy in this study can be used for effectively functionalizing the surfaces of various substrates with functional b-CDs,which is highly promising in applications in the field of adsorption separations,especially water treatments.