A facile two-step method to construct environmental-friendly Janus coconut wood membrane for oil/water separation

doi:10.1016/j.jwpe.2023.104434

CORC > 深海科学与工程研究所 > 中国科学院深海科学与工程研究所 > 深海科学研究部 > 深海极端环境模拟研究实验室

	A facile two-step method to construct environmental-friendly Janus coconut wood membrane for oil/water separation
	Yu, Wanfei 1; Hou, Xue 1,2; Zhang, Yanping 1; Wan, Weimin 1; Gao, Peng 1; Yan, Zihao 1; Li, Jianbao 1
刊名	JOURNAL OF WATER PROCESS ENGINEERING
	2023-12-01
卷号	56 页码:12
关键词	Janus coconut wood membrane Asymmetric wettability Chemical stability Selective oil/water separation Gel spraying
ISSN号	2214-7144
DOI	10.1016/j.jwpe.2023.104434
通讯作者	Hou, Xue(houx@idsse.ac.cn) ; Li, Jianbao(ljb_555@163.com)
英文摘要	The Janus structure and the super hydrophilicity of cellulose inspired to develop of low-cost and environmentally friendly Janus membrane materials with opposite wetting behavior for unidirectional water/oil transport and selective water/oil separation. However, it remains a challenge to prepare pollution-free, fluoride-free, low-cost Janus membranes in a simple way. A facile two-step top-down approach is utilized to prepare the Janus coconut wood (JCW) membrane using natural coconut wood in the transverse direction as raw material. The lignin and hemicellulose were removed from the coconut wood to prepare super-hydrophilic coconut wood (SCW). The SCW was then sprayed with hydrophobic silica gel to form a super-hydrophobic surface on one side which the water contact angle reached 153.4 degrees. It was observed that the Janus membrane maintained chemical stability in highly saline and varied pH conditions, as well as at a long friction distance. Meanwhile, Janus coconut wood membrane oil/water separation devices readily achieve on-demand unidirectional oil/water transportation due to their superior separation efficiency of over 98 % and separation flux of over 4125 L/m2 & sdot;h. The Janus coconut wood membrane provides a practical and effective solution for separating the oil/water mixture.
资助项目	Natural Science Foun-dation of China[52172086] ; Hainan Provincial Joint Project of Sanya Yazhou Bay Science and Technology City[2021JJLH0038]
WOS关键词	NANOFIBROUS MEMBRANES ; OIL ; GLASS ; MESH
WOS研究方向	Engineering ; Water Resources
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:001110894800001
资助机构	Natural Science Foun-dation of China ; Hainan Provincial Joint Project of Sanya Yazhou Bay Science and Technology City
内容类型	期刊论文
源URL	[http://ir.idsse.ac.cn/handle/183446/10697]
专题	深海科学研究部_深海极端环境模拟研究实验室
通讯作者	Hou, Xue; Li, Jianbao
作者单位	1.Hainan Univ, Coll Mat & Chem Engn, State Key Lab Marine Resource Utilizat South China, Haikou 570228, Peoples R China 2.Chinese Acad Sci, Inst Deep Sea Sci & Engn, CAS Key Lab Expt Study Deep Sea Extreme Condit, Sanya 572000, Hainan, Peoples R China
推荐引用方式 GB/T 7714	Yu, Wanfei,Hou, Xue,Zhang, Yanping,et al. A facile two-step method to construct environmental-friendly Janus coconut wood membrane for oil/water separation[J]. JOURNAL OF WATER PROCESS ENGINEERING,2023,56:12.
APA	Yu, Wanfei.,Hou, Xue.,Zhang, Yanping.,Wan, Weimin.,Gao, Peng.,...&Li, Jianbao.(2023).A facile two-step method to construct environmental-friendly Janus coconut wood membrane for oil/water separation.JOURNAL OF WATER PROCESS ENGINEERING,56,12.
MLA	Yu, Wanfei,et al."A facile two-step method to construct environmental-friendly Janus coconut wood membrane for oil/water separation".JOURNAL OF WATER PROCESS ENGINEERING 56(2023):12.