膜蒸馏处理糠醛废水的实验研究

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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

Abstract

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

CLC Number:

TQ028.8

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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