Molecularbiology study of dominant bacteria in the biofilms of biotricking filter for the purification of NOx in coal-fired flue gas

Author

Zou, Ping ; Bi, Xiao-yi ; Sun, Pei-Shi ; Wang, Jie ; Song, Zhao-qi ; Li, Wen-jun ; Zhou, En-ming

Author_Institution

Inst. of Eng. & Technol., Yunnan Univ., Kunming, China

fYear

2011

fDate

22-24 April 2011

Firstpage

3263

Lastpage

3266

Abstract

NOx is one of major air pollutants which cause acid rain. Bacterial population composition of biofilms in biotricking filter is analyzed with one culture-independent method by PCR-DGGE. It has been found that Nitrobacter sp., Acinetobacter sp, Thermomonas sp. and Chloroflexus sp., are the dominant species of biofilms. Nitrobacteria are the primary bacteria which oxidize NOx into NO₃^-. Autotrophic bacterium which acts on the nitrification is symbiotic with heterotrophic microbe in biotrickling filter.

Keywords

air pollution control; biotechnology; electrophoresis; flue gases; microorganisms; molecular biophysics; nitrogen compounds; purification; Acinetobacter sp; Chloroflexus sp; NO_x; Nitrobacter sp; Thermomonas sp; acid rain; autotrophic bacterium; biofilm; biotricking filter; coal-fired flue gas; denaturing gradient gel electrophoresis; dominant bacteria; molecular biology; nitrification; polymerase chain reaction; purification; Air pollution; DNA; Microorganisms; Strain; Symbiosis; NOx; PCR-DGGE; bio-purification coal-fired flue gas; biofilms; dominant bacteria;

fLanguage

English

Publisher

ieee

Conference_Titel

Electric Technology and Civil Engineering (ICETCE), 2011 International Conference on

Conference_Location

Lushan

Print_ISBN

978-1-4577-0289-1

Type

conf

DOI

10.1109/ICETCE.2011.5775216

Filename

5775216