摘要
采用改性Hummers法以天然鳞片石墨制备氧化石墨烯,再经水热反应在氧化石墨烯片层中原位生成纳米级TiO_2,制备TiO_2插层氧化石墨烯(TiO_2/GO)。将TiO_2/GO粉末添加到PAN溶液中,通过静电纺丝法制备含TiO_2/GO的PAN纳米纤维膜。研究了TiO_2/GO及TiO_2/GO/PAN对亚甲基蓝的降解性能。采用TEM、SEM、XRD对降解前后样品性质进行了表征。结果表明,TiO_2/GO对亚甲基蓝具有良好的重复降解性能,随着降解次数的增加,其降解效率逐渐减弱,含TiO_2/GO的PAN纳米纤维膜对亚甲基蓝具有良好的吸附和光催化效果。
Graphene oxide (GO) is prepared from natural flake graphite by modified Hummers method.Nano-titamum dioxide is synthesized in situ in the flake layer of GO by hydrothermal reaction.Intercalation of titanium dioxide with graphene oxide (TiO2/GO) is prepared.The PAN nanofiber membrane containing TiO2/GO is prepared by electrospinning method with the PAN solution containing TiO2/GO powder.The degradation of Methylene Blue by TiO2/GO and TiO2/GO/PAN is studied.The properties of samples before and after degradation are characterized by TEM,SEM and XRD.The results show that TiO2/GO has a good repetitive degradation performance for Methylene Blue,and its degradation efficiency gradually decreases with the increase of degradation cycles.The PAN nanofiber membrane containing TiO2/GO has excellent adsorption and photocatalytic property for Methylene Blue.
作者
王成
蒋叶群
姚理荣
WANG Cheng;JIANG Ye-qun;YAO Li-rong(Zhejiang Fashion Institute of Technology,Ningbo 315211,China;Nantong University,Nantong 226019,China)
出处
《印染》
北大核心
2019年第2期16-21,共6页
China Dyeing and Finishing
基金
浙江省优质校建设项目(01501205002055)
宁波市特色学院建设项目(01501106005008)
宁波市"一带一路"国家职业教育合作发展重点建设项目
关键词
印染废水
纳米纤维膜
亚甲基蓝
光催化
腈纶
dyeing and finishing wastewater
nanofiber membrane
Methylene Blue
photocatalytic degradation
acrylic
