膜蒸馏处理糠醛废水的实验研究

膜蒸馏处理糠醛废水的实验研究

张凤君¹,李卿¹,马玖彤²,于广菊³

1.吉林大学环境与资源学院,长春 130026;2.吉林大学化学学院，长春 130026;3.廊坊市环境保护站，河北廊坊 065000

收稿日期:2005-06-09 修回日期:1900-01-01 出版日期:2006-03-26 发布日期:2006-03-26
通讯作者: 张凤君

Experimental Study on Treatment of Furfural Wastewater with Membrane Distillation

ZHANG Feng-jun¹, LI Qing¹, MA Jiu-tong², YU Guang-ju³

1.College of Environment and Resources, Jilin Universty, Changchun 130026, China;2.College of Chemistry, Jilin Universty, Changchun 130026, China;3. Environmental Monitoring Station of Langfang, Langfang, Hebei 065000,China

Received:2005-06-09 Revised:1900-01-01 Online:2006-03-26 Published:2006-03-26
Contact: ZHANG Feng-jun

摘要/Abstract

摘要： 采用中空纤维膜蒸馏技术研究了糠醛废水的膜蒸馏处理效果，考察了料液相的温度、醋酸浓度、流速、吸收液浓度等因素对处理效果的影响。结果表明：在温差为15℃、料液的浓度为0.306 mol/mL时，速度为8 mL/min；吸收液的质量浓度为25 g/L时，速度为3 mL/min。运行12 h后，料液的pH值由开始的1.9升高为5.1，醋酸的去除率为76.3％，糠醛的去除率为40.1％。此过程可降低料液中糠醛和醋酸的含量，减小了低分子量有机酸对微生物危害的影响，为后续生物处理奠定了基础。

关键词: 中空纤维膜, 膜蒸馏, 糠醛, 醋酸

Abstract: The effect of removing HAc and furfural from the wastewater by using membrane distillation is introduced and the influence of some factors,such as temperature, pH and concentration of HAc, flow velocity, concentration of feed solution on the process of the membrane distillation is also discussed. The experimental results showed that the concentration and flow velocity of absorption solution can be up to 25 g/L and 3 mL/min respectively when the temperature difference is 15℃ and the concentration and flow velocity of feed solution is 0.306 mol/mL and 8 mL/min.When the experiment has run for 12 hours, the value of pH of feed solution can be raised from 1.9 to 5.1 and the removing rate of HAc and furfural can be up to 76.3% and 40.1% respectively. The results can decrease the concentration of HAc and furfural in the feed solution and minimize the effect of low molecular weight organic acid on the microbial damage, which will supply the basis for later microbial disposal.

Key words: hollow fiber membrane, membrane distillation, furfural, HAc

中图分类号:

TQ028.8

张凤君,李卿,马玖彤,于广菊. 膜蒸馏处理糠醛废水的实验研究[J]. J4, 2006, 36(02): 270-0273.

ZHANG Feng-jun, LI Qing, MA Jiu-tong, YU Guang-ju. Experimental Study on Treatment of Furfural Wastewater with Membrane Distillation[J]. J4, 2006, 36(02): 270-0273.

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