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Removal of odors and VOCs in municipal solid waste comprehensive treatment plants using a novel three-stage integrated biofilter:Performance and bioaerosol emissions

引用

Frontiers of Environmental Science & Engineering 2021年第3期15卷 177-189页

作者： Jianwei Liu Peng Yue Nana Zang Chen Lu Xinyue Chen Beijing Engineering Research Center of Sustainable Urban Sewage System Construction and Risk Control Beijing University of Civil Engineering and ArchitectureBeijing 100044China Department of Environmental Science and Engineering Beijing University of Civil Engineering and ArchitectureBeijing 100044China

A novel three-stage integrated biofilter(TSIBF)composed of acidophilic bacteria reaction segment(ABRS),fungal reaction segment(FRS)and heterotrophic bacteria reaction segment(HBRS)was constructed for the treatment of odors and volatile organic compounds(VOCs)from municipal solid waste(MSW)comprehensive treatment *** performance,counts of predominant microorganisms,and bioaerosol emissions of a flill-scale TSIBF system were *** and stable removal efficiencies of hydrogen sulfide,ammonia and VOCs could be achieved with the TSIBF system,and the emissions of culturable heterotrophic bacteria,fungi and acidophilic sulfur bacteria were relatively *** removal efficiencies of different odors and VOCs,emissions of culturable microorganisms,and types of predominant microorganisms were different in the ABRS,FRS and HBRS due to the differences in reaction conditions and mass transfer in each *** emissions of bioaerosols from the TSIBF depended on the capture of microorganisms and their volatilization from the *** rational segmentation,filling of high-density packings and the accumulation of the predominant functional microorganisms in each segment enhanced the capture effect of the bioaerosols,thus reducing the emissions of microorganisms from the bioreactor.

关键词： Biofiltration Multi-stage biofilter Volatile organic compounds Waste gas treatment bioaerosol emissions

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