Field Applications for NOx Removal from Flue Gas in a Biotrickling Filter by Chelatococcus daeguensis TAD1

In this study, effects of the initial nitrate, oxygen and carbon sources on the nitrification and denitrification rate were studied in a lab-scale biotrickling filter (l-BF) inoculated with Chelatococcus daeguensis TAD1, and the maximum nitrification and denitrification rate achieved to 30.08 mg-N/L...

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Published in:Aerosol and Air Quality Research 2013-12, Vol.13 (6), p.1824-1831
Main Authors: Yang, Yunlong, Huang, Shaobin, Zhang, Yongqing, Xu, Fuqian
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Huang, Shaobin
Zhang, Yongqing
Xu, Fuqian
description In this study, effects of the initial nitrate, oxygen and carbon sources on the nitrification and denitrification rate were studied in a lab-scale biotrickling filter (l-BF) inoculated with Chelatococcus daeguensis TAD1, and the maximum nitrification and denitrification rate achieved to 30.08 mg-N/L/h and 100.8 mg-N/L/h, respectively. Thereafter, C. daeguensis TAD1 was initially inoculated into a pilot-scale biotrickling filter (p-BF) to remove NO x from the real flue gas of a coal-fired power plant, and a high removal efficiency of 86.7% at about 45–50°C was obtained. Analysis by PCR-DGGE showed that TAD1 was predominant in the biofilm of l-BF, whereas TAD1 in the biofilm of p-BF coexisted with other microbes to remove NO x together. Overall, the present study demonstrated that C. daeguensis TAD1 was firstly found to be one of the best candidates for the efficient treatment of NO x on a large scale under high flue gas temperature.
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title Field Applications for NOx Removal from Flue Gas in a Biotrickling Filter by Chelatococcus daeguensis TAD1
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