Studies on Alcohol Permselective Performanceof a Novel Composite Membrane

Abstract

Abstract: In this paper, preferential separation of ethanol from aqueous solution through a novel composite chitoan membrane has been investigated for the first time. This novel composite membrane has a threelayer structure. The top layer is a thin dense film of chitosan, and the support layer is microporous polyacrylonitrile(PAN). Between the dense and microporous membrane, there is an intermolecular crosslinking layer. The results show that the novel composite membrane preferentially permeate ethanol at lower ethanol concentration in feed when it has been prepared under proper conditions. The membrane gives a separation factor of 6.8 and a flux of 900gm^-2h^-1at 5%(mass fraction) of ethanoL IN the feed at 20℃ .

Key words: Pervaporation, Novel composite membrane, Membrane for preferential separation of alcohol, Water-ethanol mixture

CLC Number:

O631

TrendMD:

WANG Xin-Ping, FENG Yun-Fang, SHEN Zhi-Quan, ZHANG Yi-Feng . Studies on Alcohol Permselective Performanceof a Novel Composite Membrane[J]. Chem. J. Chinese Universities, 1999, 20(6): 987.

[1]	BAI Lu, ZHANG Li-Ping*, QU Ping, GAO Yuan, QIN Zhu, SUN Su-Qin. Pervaporation Properties and Characterization of Poly( vinyl alcohol)/Cellulose Nanocrystal Composite Membranes [J]. Chem. J. Chinese Universities, 2011, 32(4): 984.
[2]	JIANG Zeng, WU Li-Guang*, ZHOU Zhi-Jun. Synthesis of AgCl Nanoparticles in W/O Microemulsion and Study of AgCl/GMA-MMA-AMPS Copolymer Organic-inorganic Hybrid Membranes [J]. Chem. J. Chinese Universities, 2011, 32(1): 10.
[3]	ZHANG Peng, QIAN Jin-Wen^*, XUAN Li-Jing, AN Quan-Fu. Pervaporation Performance of Polyelectrolyte PDDA/PSS Layer-by-layer Self-assembly Multilayer Membranes [J]. Chem. J. Chinese Universities, 2008, 29(9): 1885.
[4]	DONG Yong-Quan^1,2, ZHANG Lin¹*, HOU Tong-Gang¹, CHEN Huan-Lin¹, GAO Cong-Jie^1,3. Preparation and Pervaporation Properties of Blend Membranes of Poly-acrylamide/montmorillonite Nano-composite and Poly(vinyl alcohol) [J]. Chem. J. Chinese Universities, 2007, 28(12): 2422.
[5]	CHEN Hong-Liang, LI Xian-Shuo, LIU Jie, YANG Wei-Shen. Synthesis of High Performance Silicalite-1 Zeolite Membranes [J]. Chem. J. Chinese Universities, 2006, 27(1): 20.
[6]	ZHOU Li-Zhi, WANG Xing, CHENG Xiao-Wei, LONG Ying-Cai, PING Zheng-Hua . A Novel Hydrophilic Organo-inorganic Pervaporation Separation Membrane ——Preparation of Polyacrylamide Composits Membrane [J]. Chem. J. Chinese Universities, 2005, 26(3): 567.
[7]	QIAN Jin-Wen, WANG Li-Na, AN Quan-Fu, CHEN Huan-Lin . Preparation of Etherified β-Cyclodextrin and SelectivitYIN Its Blend Membrane for Xylene Isomers [J]. Chem. J. Chinese Universities, 2003, 24(6): 1106.
[8]	ZHOU Zhi-Jun, CHEN Huan-Lin, LIU Mo-E, ZHANG Ying . Pervaporation Dehydration of Alcohol with Polyelectrolyte Membrane [J]. Chem. J. Chinese Universities, 2001, 22(7): 1213.
[9]	ZHOU Ji-Qing, YE Yun-Fen, HU Xiao-Hua, PING Zheng-Hua. The Pervaporation Properties of the Interpenetrating Network Membrane of Poly(vinyl alcohol) and Poly(vinyl pyrrolidone)(Ⅱ) [J]. Chem. J. Chinese Universities, 2000, 21(2): 301.
[10]	WANG Xin-Ping, FENG Yun-Fang, SHEN Zhi-Quan. Preparation and Separation Properties of Sodium Alginate Composite Membrane with Interface Crosslinking [J]. Chem. J. Chinese Universities, 2000, 21(10): 1598.
[11]	HU Xiao-Hua, PING Zheng-Hua, ZHU Qing, DING Zhi-Ming, DING Ya-Di . Pervaporation Properties of Cross-linked PVA/PVP Blend Membrane(Ⅰ) [J]. Chem. J. Chinese Universities, 1998, 19(4): 647.
[12]	ZHONG Wei, LI Wen-Jun, GE Chang-Jie, CHEN Xin. Studies on Novel Acrylic Acid Crosslinked Chitosan Pervaporation Membrane(Ⅱ)──Pervaporation Separation of Ethanol-Water Mixtures [J]. Chem. J. Chinese Universities, 1996, 17(8): 1327.
[13]	ZHONG Wei, GE Chang-Jie, CHEN Xin, LI Wen-Jun. Studies on Novel Acrylic Acid Crosslinked Chitosan Pervaporation Membrane(Ⅰ)──Membrane Structure and Crosslinking Mechanism [J]. Chem. J. Chinese Universities, 1996, 17(3): 470.
[14]	PENG Ping, ZHANG Xiao-Ling, LI Xiao-Dong . Studies on Desalination by Pervaporation [J]. Chem. J. Chinese Universities, 1995, 16(7): 1122.
[15]	WANG Xin-Ping, SHEN Zhi-Quan, ZHANG Fu-Yao, LIN Rong-Xuan . Studies on Selective Separation of Ethanol by Pervaporation Through Poly(vinyl alcohol)/Chitosan Blend Membrane [J]. Chem. J. Chinese Universities, 1995, 16(6): 978.

Studies on Alcohol Permselective Performanceof a Novel Composite Membrane

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments