N,O-羧甲基壳聚糖复合纳滤膜的制备及其对酒厂发酵废水的截留效果

N,O-羧甲基壳聚糖复合纳滤膜的制备及其对酒厂发酵废水的截留效果

TQ02; N, O-carboxymethyl chitosan (NOCC) composite nanofiltration (NF) membranes were prepared by coating and cross-hnking. 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 th...

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Veröffentlicht in:中国化学工程学报（英文版） 2008, Vol.16 (2), p.209-213
Hauptverfasser: 苗晶, 李玲玲, 陈国华, 高从增, 董声雄
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container_issue 2
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container_title 中国化学工程学报（英文版）
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creator 苗晶
李玲玲
陈国华
高从增
董声雄
description TQ02; N, O-carboxymethyl chitosan (NOCC) composite nanofiltration (NF) membranes were prepared by coating and cross-hnking. 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 result-ing NF membranes for the color, chemical oxygen demand (CODCr), 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 pres- sure 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, C ODCr, TOC, and conductivity, respectively. The membrane was found to be stable over a 10-h operation for the fermentation effluent treatment.
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title N,O-羧甲基壳聚糖复合纳滤膜的制备及其对酒厂发酵废水的截留效果
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