Super-hydrophobic PTFE hollow fiber membrane fabricated by electrospinning of Pullulan/PTFE emulsion for membrane deamination

doi:10.1016/j.seppur.2020.118186

	Super-hydrophobic PTFE hollow fiber membrane fabricated by electrospinning of Pullulan/PTFE emulsion for membrane deamination
	Pang, Haoliang 1,2,3; Tian, Kaixun 1; Li, Yuping 2,3; Su, Chunlei 2,3; Duan, Feng 2,3; Xu, Yang 2,3
刊名	SEPARATION AND PURIFICATION TECHNOLOGY
	2021-11-01
卷号	274 页码:7
关键词	PTFE Pullulan Hollow fiber membrane Electrospinning Membrane deamination
ISSN号	1383-5866
DOI	10.1016/j.seppur.2020.118186
英文摘要	Polytetrafluoroethylene (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.
资助项目	National Science Foundation of China[21976180] ; National Science Foundation of China[51878645] ; Provincial Key Research and Development Plan of Hunan Province of China[2018SK2018]
WOS关键词	AMMONIA REMOVAL ; NANOFIBER MEMBRANES ; DISTILLATION ; PERFORMANCE ; SEPARATION ; FILM
WOS研究方向	Engineering
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000668911200009
资助机构	National Science Foundation of China ; Provincial Key Research and Development Plan of Hunan Province of China
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/49325]
专题	中国科学院过程工程研究所
通讯作者	Tian, Kaixun; Li, Yuping
作者单位	1.Xiangtan Univ, Coll Environm & Resources, Xiangtan 411105, Hunan, Peoples R China 2.Chinese Acad Sci, Beijing Engn Res Ctr Proc Pollut Control, Inst Proc Engn, Div Environm Technol & Engn, Beijing 100190, Peoples R China 3.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
推荐引用方式 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.