NIMTE OpenIR  > 2018专题
Synthesis of novel graphene oxide-polyimide hollow fiber membranes for seawater desalination
Huang, Aisheng; Feng, Bo
2018
Source PublicationJOURNAL OF MEMBRANE SCIENCE
Volume548Pages:59-65
AbstractHollow fiber membranes are more favorable for the fabrication of membrane modules in industry because of its high membrane area to module volume ratios. In the present work, we reported the preparation of novel graphene oxide (GO)/polyimide (PI) hollow fiber membranes for the first time by direct spinning of a GO/PI suspension via a coaxial two-capillary spinning strategy. The structure and morphology of GO/PI hollow fiber membrane was characterized by using XRD, FT-IR and FESEM. The GO nanosheets can homogeneously be dispersed in the PI matrix to form continuous and robust membranes due to a good compatibility between GO and PI, and GO/PI hollow fiber membrane shows a typical asymmetric structure. The performances of the GO/PI hollow fiber membrane were evaluated for desalination of seawater by pervaporation. The GO/PI hollow fiber membrane displays excellent water permeability and salt rejection for desalination of different concentrations of seawater. At 90 degrees C, a high water flux (15.6 kg m(-2) h(-1)) and a high salt rejection (99.8%) can be obtained. Further, the GO/PI hollow fiber membrane displays a high stability for seawater desalination with a long time measurement.
KeywordMixed-matrix Membrane Water-purification Gas Separation Performance Composite Pervaporation Films Nanofiltration Dehydration Polysulfone
Subject AreaMaterials Science
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/16809
Collection2018专题
Recommended Citation
GB/T 7714
Huang, Aisheng,Feng, Bo. Synthesis of novel graphene oxide-polyimide hollow fiber membranes for seawater desalination[J]. JOURNAL OF MEMBRANE SCIENCE,2018,548:59-65.
APA Huang, Aisheng,&Feng, Bo.(2018).Synthesis of novel graphene oxide-polyimide hollow fiber membranes for seawater desalination.JOURNAL OF MEMBRANE SCIENCE,548,59-65.
MLA Huang, Aisheng,et al."Synthesis of novel graphene oxide-polyimide hollow fiber membranes for seawater desalination".JOURNAL OF MEMBRANE SCIENCE 548(2018):59-65.
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