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Waste Manag

Title:		Biofiltration treatment of odors from municipal solid waste treatment plants
Author(s):		Liu Q; Li M; Chen R; Li Z; Qian G; An T; Fu J; Sheng G;
Address:		"School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200072, PR China. qliu@shu.edu.cn"
Journal Title:		Waste Manag
Year:		2009
Volume:		20090317
Issue:		7
Page Number:		2051 - 2058
DOI:		10.1016/j.wasman.2009.02.002
ISSN/ISBN:		0956-053X (Print) 0956-053X (Linking)
Abstract:		"An in situ compost biofilter was established for the treatment of odors from biostabilization processing of municipal solid waste. The concentrations of total volatile organic compounds (VOCs) in odors and their components were measured. Biofilter media was characterized in terms of total carbon (TC), total nitrogen (TN), total phosphorus (TP), organic matter (OM), pH value and determination of bacterial colony structure. Gas chromatography-mass spectrometry (GC-MS) analysis showed that the main components of the produced gas were benzene, toluene, ethylbenzene and xylene (BTEX) along with other alkanes, alkenes, terpenes, and sulphur compounds. The compost biofilter had remarkable removal ability for alkylated benzenes (>80%), but poor removal for terpenes ( approximately 30%). Total VOC concentrations in odors during the biostabilization process period ranged from 0.7 to 87 ppmv, and the VOC removal efficiency of the biofilter varied from 20% to 95%. After about 140 days operation, TN, TC, TP and OM in compost were kept almost stable, but the dissolved N, NH(4)-N and NO(3)-N experienced an increase of 44.5%, 56.2% and 76.3%, respectively. Dissolved P decreased by 27.3%. The pH value experienced an increase in the early period and finally varied from 7.38 to 8.08. Results of bacterial colony in packing material indicated that bacteria and mold colony counts increased, but yeasts and actinomyces decreased along with biofilter operation, which were respectively, 3.7, 3.4, 0.04 and 0.07 times of their initial values"
Keywords:		"*Biodegradation, Environmental China Odorants/*prevention & control Organic Chemicals/analysis Soil Microbiology Volatilization *Waste Management;"
Notes:		"MedlineLiu, Qiang Li, Mi Chen, Rong Li, Zhengyue Qian, Guangren An, Taicheng Fu, Jiamo Sheng, Guoying eng Research Support, Non-U.S. Gov't 2009/03/14 Waste Manag. 2009 Jul; 29(7):2051-8. doi: 10.1016/j.wasman.2009.02.002. Epub 2009 Mar 17"