Treatment of Benzene,Toluene and Xylene Contaminated Air in a Bioactive Foam Emulsion Reactor

CIESC Journal ›› 2010, Vol. 18 ›› Issue (1): 113-121.

Treatment of Benzene,Toluene and Xylene Contaminated Air in a Bioactive Foam Emulsion Reactor

Farshid Ghorbani Shahna^1,2, Faride Golbabaei¹, Javad Hamedi³, Hossein Mahjub⁴, Hossein Reza Darabi⁵, Seyed Jamaladdin Shahtaheri¹

1. Department of Occupational Health, School of Public Health&Institute of Public Health Research, Tehran, Iran;
2. Department of Occupational Health, School of Public Health, Centre of Health Research, Hamadan University of Medical Science, Hamadan, Iran;
3. Division of Microbiology, Department of Biology, Faculty of Science, University of Tehran, Iran;
4. Department of Biostatics&Epidemiology, School of Public Health, Centre of Health Research, Hamadan University of Medical Science, Hamadan, Iran;
5. Chemistry&Chemical Engineering Institute of Iran, Tehran, Iran

收稿日期:2009-02-16 修回日期:2009-06-04 出版日期:2010-02-28 发布日期:2010-12-30
通讯作者: Faride Golbabaei, E-mail: fgolbabaei@tums.ac.ir; fgolbabaei@yahoo.com
作者简介:
基金资助:

Treatment of Benzene,Toluene and Xylene Contaminated Air in a Bioactive Foam Emulsion Reactor

Farshid Ghorbani Shahna^1,2, Faride Golbabaei¹, Javad Hamedi³, Hossein Mahjub⁴, Hossein Reza⁵, Darabi¹

1. Department of Occupational Health, School of Public Health&Institute of Public Health Research, Tehran, Iran;
2. Department of Occupational Health, School of Public Health, Centre of Health Research, Hamadan University of Medical Science, Hamadan, Iran;
3. Division of Microbiology, Department of Biology, Faculty of Science, University of Tehran, Iran;
4. Department of Biostatics&Epidemiology, School of Public Health, Centre of Health Research, Hamadan University of Medical Science, Hamadan, Iran;
5. Chemistry&Chemical Engineering Institute of Iran, Tehran, Iran

Received:2009-02-16 Revised:2009-06-04 Online:2010-02-28 Published:2010-12-30
Supported by:

摘要/Abstract

摘要： A novel bioactive foam emulsion bioreactor for benzene,toluene and xylene(BTX)contaminated air streams treatment has been developed.The gas-liquid interfacial area by biocompatible foam and driving force for mass transfer by a water immiscible organic phase were increased in this reactor.The effect of several parameters such as gas residence time,oxygen content,and organic phase concentration on bioreactor performance was studied. Experimental results showed an average elimination capacity(EC)of 220 g·m^-3·h^-1 with removal efficiency(RE) of 89.59%for BTX inlet concentration of 1g·m^-3 at 15s gas residence time in the bioreactor.The statistical developed model predicted that the maximum elimination capacity of the reactor for BTX could be reached to 423.45g·m^-3·h^-1.Continues operation of the bioreactor with high EC and RE was demonstrated by optimizing the operational parameters of the bioreactor.Overall the results suggest that the bioreactor developed can be very effective systems to treat BTX vapors.

关键词: air pollution control, bioactive foamed reactor, biodegradation, BTX

Abstract: A novel bioactive foam emulsion bioreactor for benzene,toluene and xylene(BTX)contaminated air streams treatment has been developed.The gas-liquid interfacial area by biocompatible foam and driving force for mass transfer by a water immiscible organic phase were increased in this reactor.The effect of several parameters such as gas residence time,oxygen content,and organic phase concentration on bioreactor performance was studied. Experimental results showed an average elimination capacity(EC)of 220 g·m^-3·h^-1 with removal efficiency(RE) of 89.59%for BTX inlet concentration of 1g·m^-3 at 15s gas residence time in the bioreactor.The statistical developed model predicted that the maximum elimination capacity of the reactor for BTX could be reached to 423.45g·m^-3·h^-1.Continues operation of the bioreactor with high EC and RE was demonstrated by optimizing the operational parameters of the bioreactor.Overall the results suggest that the bioreactor developed can be very effective systems to treat BTX vapors.

Key words: air pollution control, bioactive foamed reactor, biodegradation, BTX

Farshid Ghorbani Shahna, Faride Golbabaei, Javad Hamedi, Hossein Mahjub, Hossein Reza Darabi, Seyed Jamaladdin Shahtaheri. Treatment of Benzene,Toluene and Xylene Contaminated Air in a Bioactive Foam Emulsion Reactor[J]. CIESC Journal, 2010, 18(1): 113-121.

Farshid Ghorbani Shahna, Faride Golbabaei, Javad Hamedi, Hossein Mahjub, Hossein Reza, Darabi, Seyed Jamaladdin Shahtaheri. Treatment of Benzene,Toluene and Xylene Contaminated Air in a Bioactive Foam Emulsion Reactor[J]. , 2010, 18(1): 113-121.

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Treatment of Benzene,Toluene and Xylene Contaminated Air in a Bioactive Foam Emulsion Reactor

Treatment of Benzene,Toluene and Xylene Contaminated Air in a Bioactive Foam Emulsion Reactor

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