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Study on the Treatment of Acrylonitrile Wastewater by Fenton Reagent, Micro-electrolysis and Biological Contact Oxidation Process

ZOU Dong-lei, WANG Hong-yan, YANG Jin-ling, ZHANG Chun-li, ZHANG Guang-ming, ZHANG Si-xiang   

  1. College of Environment and Resources, Jilin University, Changchun 130026, China
  • Received:2006-04-10 Revised:1900-01-01 Online:2007-07-26 Published:2007-07-26
  • Contact: ZOU Dong-lei

Abstract: The combined process of Fenton reagent, Microelectrolysis and Biological contact oxidation is proposed to treat the Acrylonitrile wastewater. The optimal technological conditions and the effect of this process are discussed. The results show that by providing wastewaters pH of about 3 and reaction time of 2 hours, the quantity of H2O2 of 40 mL/L, the concentration of ferrous iron is 0.4 g/L, the effluent of microelectrolysis goes into Biological contact oxidation process, in which DO, HRT and volume load are 4.5 mg/L, 10 hours and 1.0 kg CODCr/(m3·d) respectively, satisfying the first grade of the national standard.

Key words: Acrylonitrile wastewater, Fenton reagent, micro-electrolysis, biological contact oxidation

CLC Number: 

  • X703
[1] ZOU Dong-lei, LI Meng, ZOU Hao-chen, FAN Dong-yan, SUN Ming-zheng. Treatment of Benzene in Simulated Polluted Groundwater by New Iron-Carbon Micro-Electrolysis Packing [J]. J4, 2010, 40(6): 1441-1445.
[2] ZOU Dong-lei, ZHANG Si-xiang, LING Xi, LIN Xue-yu. Study of Process of Treatment for Coating Wastewater [J]. J4, 2007, 37(2): 367-370.
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