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Bioresour Technol

Title:		Performance evaluation and microbial community analysis of the biofilter for removing grease and volatile organic compounds in the kitchen exhaust fume
Author(s):		Yan Y; Wang M; Jin B; Yang J; Li S;
Address:		"School of Ecology and Environment, Zhengzhou University, Zhengzhou 450001, China. School of Environment and Energy, South China University of Technology, Guangzhou 510006, China. Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China. School of Ecology and Environment, Zhengzhou University, Zhengzhou 450001, China. Electronic address: lsy76@zzu.edu.cn"
Journal Title:		Bioresour Technol
Year:		2021
Volume:		20200917
Issue:
Page Number:		124132 -
DOI:		10.1016/j.biortech.2020.124132
ISSN/ISBN:		1873-2976 (Electronic) 0960-8524 (Linking)
Abstract:		"Corncob-based activated carbon has very good adsorption performance and can provide a favourable growing environment for microorganisms. In this study, a biofilter packed with corncob-based activated carbon was constructed to remove grease and total volatile organic compounds (TVOCs) in kitchen exhaust fume. Results show that the biofilter was suitable for the biodegradation of grease and VOCs, and the maximum elimination capacities (EC(max)) were 112 and 235 g/(m(3).h) at an empty bed residence time of 3.24 s, respectively. When the pH of the filler dropped to 5.0 +/- 0.2, the removal efficiencies (RE) of grease and TVOCs in the biofilter decreased to the minimum values (75% and 77%, respectively). The REmax were respectively 88 +/- 4% (for TVOC) at 70% filler moisture content and 90 +/- 3% (for grease) at 76% filler moisture content. Molecular characterization results showed Thermobacillus sp. as dominating microbial group in the packing media"
Keywords:		"Biodegradation, Environmental Charcoal Filtration *Microbiota *Volatile Organic Compounds Biofilter Grease Kitchen exhaust fume Thermobacillus sp.VOCs;"
Notes:		"MedlineYan, Yuxi Wang, Menglei Jin, Boqiang Yang, Jiao Li, Shunyi eng England 2020/09/25 Bioresour Technol. 2021 Jan; 319:124132. doi: 10.1016/j.biortech.2020.124132. Epub 2020 Sep 17"