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Super-hydrophobic PTFE hollow fiber membrane fabricated by electrospinning of Pullulan/PTFE emulsion for membrane deamination
Pang, Haoliang1,2,3; Tian, Kaixun1; Li, Yuping2,3; Su, Chunlei2,3; Duan, Feng2,3; Xu, Yang2,3
2021-11-01
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
Volume274Pages:7
AbstractPolytetrafluoroethylene (PTFE) is increasingly used in membrane applications due to its excellent thermal stability, resistance to chemical degradation and strong hydrophobicity. However, it is difficult to prepare high flux membranes by conventional technology due to its high melt viscosity and solvent resistance. Here, a environment-friendly technology is used to fabricate PTFE hollow fiber membrane via emulsion electrospinning. Pullulan is dope into the PTFE emulsion and employ as the binder of PTFE particles to facilitate the formation of the as-spun PTFE-Pullulan hollow fiber membrane. The expected PTFE hollow fiber membrane is obtained after sintering of the as-spun membrane. No organic solvent is used and no pollutant is discharged during the preparation process. The prepared PTFE hollow fiber membrane shows excellent properties such as superhydrophobicity (contact angle > 150 degrees), high porosity (85%) and excellent mechanical properties (Young's modulus of 39 MPa and fracture strain of 245%). In the deamination test, the experimental mass transfer coefficient of the PTFE hollow fiber membrane reaches 2.4*10(-5) m/s when the pH is 11, which is 1.6-2.4 times as that of the commercial membrane. The self-made PTFE hollow fiber membrane shows great potential in the application of membrane deamination.
KeywordPTFE Pullulan Hollow fiber membrane Electrospinning Membrane deamination
DOI10.1016/j.seppur.2020.118186
Language英语
WOS KeywordAMMONIA REMOVAL ; NANOFIBER MEMBRANES ; DISTILLATION ; PERFORMANCE ; SEPARATION ; FILM
Funding ProjectNational Science Foundation of China[21976180] ; National Science Foundation of China[51878645] ; Provincial Key Research and Development Plan of Hunan Province of China[2018SK2018]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Science Foundation of China ; Provincial Key Research and Development Plan of Hunan Province of China
WOS IDWOS:000668911200009
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/49326
Collection中国科学院过程工程研究所
Corresponding AuthorTian, Kaixun; Li, Yuping
Affiliation1.Xiangtan Univ, Coll Environm & Resources, Xiangtan 411105, Hunan, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Beijing Engn Res Ctr Proc Pollut Control, Inst Proc Engn, Div Environm Technol & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Pang, Haoliang,Tian, Kaixun,Li, Yuping,et al. Super-hydrophobic PTFE hollow fiber membrane fabricated by electrospinning of Pullulan/PTFE emulsion for membrane deamination[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2021,274:7.
APA Pang, Haoliang,Tian, Kaixun,Li, Yuping,Su, Chunlei,Duan, Feng,&Xu, Yang.(2021).Super-hydrophobic PTFE hollow fiber membrane fabricated by electrospinning of Pullulan/PTFE emulsion for membrane deamination.SEPARATION AND PURIFICATION TECHNOLOGY,274,7.
MLA Pang, Haoliang,et al."Super-hydrophobic PTFE hollow fiber membrane fabricated by electrospinning of Pullulan/PTFE emulsion for membrane deamination".SEPARATION AND PURIFICATION TECHNOLOGY 274(2021):7.
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