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Title

Two liquid Phase Biofiltration for Removing n-Hexane from polluted Air

Year: 1382
COI: NICEC08_135
Language: EnglishView: 1,534
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Authors

Mohammad Hassan Fazaelipoor - Biotechnology Group,Chemical Engineering Department,Tarbiat modares University,Tehran,Iran
Seyed Abbas Shojaosadati - Biotechnology Group,Chemical Engineering Department,Tarbiat modares University,Tehran,Iran
Ebrahim Vasheghani Farahani - Biotechnology Group,Chemical Engineering Department,Tarbiat modares University,Tehran,Iran
Jafar Towfighi Darian - Biotechnology Group,Chemical Engineering Department,Tarbiat modares University,Tehran,Iran

Abstract:

Two equal size perlite based biofilters were used to investigate the effect of adding silicone oil to the bed of a biofilter for removal of n-hexane from contaminated air. Bed particles of the one of the biofilters partially coated with silicone oil. An n-hexane degrading bacterial culture was used as inoculum in both biofilters. The biofilters operated in parallel under the same conditions for 70 days. Results showed that the silicone oil added biofilter performed better than the other consistently during the investigation period .The maximum elimination capacity for silicone oil added biofilter was 167 gm-3h-1 compared to 114.9 gm-3h-1 for the biofilter without silicone oil. Response of the biofilters to step and pulse change at inlet concentration was also investigated. A new steady state was established within several minutes after a change at inlet cocentration. When the inlet concentration decreased suddenly ,the outlet concentration of of the silicone oil added biofilter was higher than the other for a short period of time due to desorption phenomenon.

Keywords:

Biofiltration, n-Hexane, Silicone oil

Paper COI Code

This Paper COI Code is NICEC08_135. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/48194/

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Fazaelipoor, Mohammad Hassan and Shojaosadati, Seyed Abbas and Vasheghani Farahani, Ebrahim and Towfighi Darian, Jafar,1382,Two liquid Phase Biofiltration for Removing n-Hexane from polluted Air,8th National Iranian Chemical Engineering Congress,Mashhad,https://civilica.com/doc/48194

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Type of center: دانشگاه دولتی
Paper count: 29,176
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