| 电渗析治理糠醛废水过程性能的研究 |
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| 引用本文： | 陈玉莲,张和,周广浚.电渗析治理糠醛废水过程性能的研究[J].环境科学学报,1993,13(4):428-434. |
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| 作者姓名： | 陈玉莲 张和 周广浚 |
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| 作者单位： | 太原工业大学化工系 030024
(陈玉莲，张和)，太原工业大学化工系 030024(周广浚) |
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| 摘 要： | 糖醛废水含１．０％－２．５％的乙酸，直接外排，污染环境，浪费资源，通过３０－８０对膜，４００ｍｍ×８００ｍｍ隔板组装的电渗析器中型试验，脱除其中９５％以上的水，回收得到浓度为２０％的乙酸，再经萃取，精馏得到９９％工业乙酸，治理后的废水含酸量小于０．０２％，可安全排放或回用。对影响极限电流，过程效率的因素进行了探讨，导出工艺特性的经验式，提出相应特性常数。
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| 关 键 词： | 电渗析 膜分离 废水处理 呋喃甲醛 |
| 收稿时间： | 1991/11/19 0:00:00 |
TECHNICAL CHARACTERIZATION OF FURFURAL WASTEWATER TREATMENT BY ELECTRODIALYSIS |
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| Chen Yulian,Zhang He and Zhou Guangjun.TECHNICAL CHARACTERIZATION OF FURFURAL WASTEWATER TREATMENT BY ELECTRODIALYSIS[J].Acta Scientiae Circumstantiae,1993,13(4):428-434. |
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| Authors: | Chen Yulian Zhang He and Zhou Guangjun |
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| Institution: | Department of Chemical Engineering, Taiyuan University of Technology, 030024,Department of Chemical Engineering, Taiyuan University of Technology, 030024 and Department of Chemical Engineering, Taiyuan University of Technology, 030024 |
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| Abstract: | The treatment of furfural wastewater containing acetic acid of 1%-2.5% by electrodialysis was investigated at pilot-scale operation using a 400 mm x 800mm electrodialyzer with 30-80 pairs of membrane modules. The concentration in wastewater was less than 0.02% and the concentration of recovered acetic acid reached 20%, which could be used to produce industrial-graded acetic acid of 99% by extraction and distillation. The effects on the limiting current and the process efficiency were studied. The experimental formulas describing the technical characteristics were presented. The parameters thus obtained provide reliable bases for the safe operation and the scale-up design. |
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| Keywords: | furfural wastewater treatment electrodialysis membrane separation acetic acid |
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