Preparation of N,O-carboxymethyl Chitosan Composite Nanofiltration Membrane and Its Rejection Performance for the Fermentation Effluent from a Wine Factory

›› 2008, Vol. 16 ›› Issue (2): 209-213.

• SEPARATION SCIENCE & ENGINEERING • Previous Articles Next Articles

Preparation of N,O-carboxymethyl Chitosan Composite Nanofiltration Membrane and Its Rejection Performance for the Fermentation Effluent from a Wine Factory

MIAO Jing^1,2, LI Lingling³, CHEN Guohua⁴, GAO Congjie⁴, DONG Shengxiong¹

1. College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China;
2. School of Environmental Science and Engineering, Ocean University of China, Qingdao 266003, China;
3. School of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
4. School of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China

Received:2006-11-24 Revised:2007-09-11 Online:2008-04-28 Published:2008-04-28
Supported by:
the Special Funds for Major State Basic Research Program of China(2003CB615706)

Preparation of N,O-carboxymethyl Chitosan Composite Nanofiltration Membrane and Its Rejection Performance for the Fermentation Effluent from a Wine Factory

苗晶^1,2, 李玲玲³, 陈国华⁴, 高从堦⁴, 董声雄¹

1. College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China;
2. School of Environmental Science and Engineering, Ocean University of China, Qingdao 266003, China;
3. School of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
4. School of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China

通讯作者: MIAO Jing,E-mail:miaojing9986@yahoo.com.cn
基金资助:
the Special Funds for Major State Basic Research Program of China(2003CB615706)

Abstract

Abstract: N,O-carboxymethyl chitosan(NOCC)composite nanofiltration(NF)membranes were prepared by coating and cross-linking.The fermentation effluent from a wine factory was treated with the resulting NOCC/polysulfone(PSF)composite NF membranes.The permeate flux and the removal efficiencies of the resulting NF membranes for the color,chemical oxygen demand(COD_Cr),total organic carbon(TOC),and conductivity of the fermentation effluent were investigated in relation to the driving pressure,the feed flow,and the operation time.The permeate flux and the removal efficiencies were found to increase with the increase of the driving pressure or the feed flow.At 0.40 MPa and ambient temperature the removal efficiencies were 95.5%,70.7%,72.6%, and 31.6%for color,COD_Cr,TOC,and conductivity,respectively.The membrane was found to be stable over a 10h operation for the fermentation effluent treatment.

Key words: N,O-carboxymethyl chitosan, composite nanofiltration membranes, fermentation effluent, removal efficiencies

摘要： N,O-carboxymethyl chitosan(NOCC)composite nanofiltration(NF)membranes were prepared by coating and cross-linking.The fermentation effluent from a wine factory was treated with the resulting NOCC/polysulfone(PSF)composite NF membranes.The permeate flux and the removal efficiencies of the resulting NF membranes for the color,chemical oxygen demand(COD_Cr),total organic carbon(TOC),and conductivity of the fermentation effluent were investigated in relation to the driving pressure,the feed flow,and the operation time.The permeate flux and the removal efficiencies were found to increase with the increase of the driving pressure or the feed flow.At 0.40 MPa and ambient temperature the removal efficiencies were 95.5%,70.7%,72.6%, and 31.6%for color,COD_Cr,TOC,and conductivity,respectively.The membrane was found to be stable over a 10h operation for the fermentation effluent treatment.

关键词: N,O-carboxymethyl chitosan, composite nanofiltration membranes, fermentation effluent, removal efficiencies

MIAO Jing, LI Lingling, CHEN Guohua, GAO Congjie, DONG Shengxiong. Preparation of N,O-carboxymethyl Chitosan Composite Nanofiltration Membrane and Its Rejection Performance for the Fermentation Effluent from a Wine Factory[J]. , 2008, 16(2): 209-213.

苗晶, 李玲玲, 陈国华, 高从堦, 董声雄. Preparation of N,O-carboxymethyl Chitosan Composite Nanofiltration Membrane and Its Rejection Performance for the Fermentation Effluent from a Wine Factory[J]. , 2008, 16(2): 209-213.

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Preparation of N,O-carboxymethyl Chitosan Composite Nanofiltration Membrane and Its Rejection Performance for the Fermentation Effluent from a Wine Factory

Preparation of N,O-carboxymethyl Chitosan Composite Nanofiltration Membrane and Its Rejection Performance for the Fermentation Effluent from a Wine Factory

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