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首页> 外文期刊>Bioprocess and Biosystems Engineering >A bioactive foamed emulsion reactor for the treatment of benzene-contaminated air stream
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A bioactive foamed emulsion reactor for the treatment of benzene-contaminated air stream

机译：用于处理被苯污染的气流的生物活性泡沫乳液反应器

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摘要

An adapted bioactive foamed emulsion bio-reactor for the treatment of benzene vapor has been developed. In this reactor, bed clogging was resolved by bioactive foam as a substitute of packing bed for interfacial contact of liquid to gaseous phase. The pollutant solubility has been increased using biocompatible organic phase in liquid phase and this reactor can be applied for higher inlet benzene concentration. Experimental results showed a benzene elimination capacity (EC) of 220 g m~(-3) h~(-1) with removal efficiency (RE) of 85% for benzene inlet concentration of 1-1.2 g m~(-3) at 15 s gas residence time in bioreactor. Assessment of benzene concentration in liquid phase showed that a significant amount of transferred benzene mass has been biodegraded. By optimizing the operational parameters of bioreactor, continuous operationrnof bioreactor with high EC and RE was demonstrated. With respect to the results, this reactor has the potential to be applied instead of biofilter and biotrickling filters.
机译：已经开发了用于处理苯蒸气的适合的生物活性泡沫乳液生物反应器。在该反应器中，床堵塞通过生物活性泡沫代替了液相和气相的界面接触的填充床来解决。使用生物相容性有机相在液相中增加了污染物的溶解度，该反应器可用于更高的进口苯浓度。实验结果表明，在15 s内苯入口浓度为1-1.2 gm〜（-3）时，苯消除能力（EC）为220 gm〜（-3）h〜（-1），去除效率（RE）为85％。气体在生物反应器中的停留时间。液相中苯浓度的评估表明，大量转移的苯物质已被生物降解。通过优化生物反应器的运行参数，证明了具有高EC和RE的连续运行的生物反应器。关于结果，该反应器具有代替生物滤池和生物滴滤池的潜力。

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  • 来源
    《Bioprocess and Biosystems Engineering》 |2010年第2期|219-226|共8页
  • 作者

    Farshid Ghorbani Shahna; Faride Golbabaei; Javad Hamedi; Hossein Mahjub; Hossein Reza Darabi; Seyed Jamaleddin Shahtaheri;

  • 作者单位

    Department of Occupational Health, School of Public Health,Institute of Public Health Research, Tehran University of Medical Science, Enghelab Street, 16 Azar Ave,PB 14155-6446, Tehran, Iran;

    Department of Occupational Health, School of Public Health,Institute of Public Health Research, Tehran University of Medical Science, Enghelab Street, 16 Azar Ave,PB 14155-6446, Tehran, Iran;

    Division of Microbiology, Department of Biology,Faculty of Science, University of Tehran, Enghelab Street,Tehran, Iran;

    Department of Biostatics and Epidemiology,School of Public Health, Centre of Health Research,Hamadan University of Medical Science, Mahdieh Street,Shahid Fahmide Blv, PB 4171, Hamadan, Iran;

    Chemistry and Chemical Engineering Institute of Iran,Km 17 Tehran-Karaj Freeway. Pajoohesh Blv,PB 14335-186, Tehran, Iran;

    Department of Occupational Health, School of Public Health,Institute of Public Health Research, Tehran University of Medical Science, Enghelab Street, 16 Azar Ave,PB 14155-6446, Tehran, Iran;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    bioactive foamed reactor; benzene; air pollution control; biodegradation;

    机译：生物活性泡沫反应器;苯;空气污染控制;生物降解;

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