Treatment of Chlorobenzene-Contaminated Gas Stream in a Biotrickling Filter Inoculated with Ralstonnia pickettii L2

Lan Zhou; Shi Gang Su; Li Li Zhang

doi:10.4028/www.scientific.net/AMM.700.253

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 700Treatment of Chlorobenzene-Contaminated Gas Stream...

Treatment of Chlorobenzene-Contaminated Gas Stream in a Biotrickling Filter Inoculated with Ralstonnia pickettii L2

Abstract:

Biotrickling filter (BTF) inoculated with Ralstonniapickettii L2 was established to treat waste gas containing chlorobenzene (CB). Results revealed BTF could achieve more than 80% removal efficiency of CB under the conditions of <0.6 g·m^-3inlet concentration and >30 s empty bed residence time (EBRT). The mass ratio of carbon dioxide produced to the mixture of benzene, toluene, and oxylene (BTo-X) removed was approximately 2.10, indicating that 89.5% mineralization of the incoming CB vapor. The degradation of CB in the BTF followed Michaelis-Menten kinetic model, and the maximum specific degradation rate (rmax) was 76.3g·m^-3·h^-1. AWCD values indicated that the microganisms in the BTF showed the high microbial metabolic activities. Real-time PCR indicated that Ralstoniapickettii L2 could still maintain its stability andactivity in the BTF under different conditions.

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Periodical:

Applied Mechanics and Materials (Volume 700)

Pages:

253-256

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.700.253

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Online since:

December 2014

Authors:

Lan Zhou, Shi Gang Su, Li Li Zhang

Keywords:

Chlorobenzene, Kinetic Model, Ralstonniapickettii L2, Real-Time PCR

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