膜科学与技术

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Preparation and water treatment performance of MoS2/RGO composite separation membranes

Authors： LIU Xuan,LI Mingyang,YU Xiang,HUANG Chao

Units： 1.College of Engineering Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (2. Key Laboratory for Thin Film and Microfabrication of Ministry of Education, Shanghai Jiaotong University, Shanghai 200240, China

KeyWords： reduced graphene oxide; molybdenum disulfide; composite membrane; water treatment

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2023,43(4):145-153

Abstract：

In order to solve the problems of instability and low water flux of graphene oxide (GO) membranes, molybdenum disulfide (MoS2) nanosheets with reduced graphene oxide (RGO) were prepared by hydrothermal method in this paper, and MoS2/RGO composite membranes were prepared on polyethersulfone supported membranes by vacuum filtration. The results showed that when the mass ratio of MoS2 to RGO was 9:10, the prepared composite membranes exhibited a pure water flux of up to 35 L/(m2·h·MPa), which was 10.6 times higher than that of pure graphene oxide membranes, and achieved a retention rate of 86.7% for sodium sulfate, and 97.8% and 98.6% for methyl blue and Congo red, respectively, while the retention rates of different pH values, different The retention rate of Congo red at different pH values and concentrations reached over 95%. In addition, the membrane has been tested to have good stability and has great potential for application in water treatment composite membranes.

Funds：

国家自然科学基金（51005145、51075258）；上海市科学技术委员会项目(19DZ2254800)

AuthorIntro：

刘璇（1975—）女，山东登州人，副教授，研究方向为高性能水处理材料开发及性能研究。E-mail:xliu@shou.edu.cn

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