Full TGIF Record # 43667
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/1065657X.1997.10701892
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Publication Type:
i
Refereed
Author(s):Brown, K. W.; Thomas, J. C.; Whitney, F.
Author Affiliation:Brown & Thomas: Texas A&M University, Soil and Crop Sciences Department, College Station, Texas. Whitney: Texas Agricultural Experiment Station, Texas A&M University System, College Station, Texas.
Title:Fate of volatile organic compounds and pesticides in composted municipal solid waste
Section:Research
Other records with the "Research" Section
Source:Compost Science & Utilization. Vol. 5, No. 4, Autumn 1997, p. 6-14.
# of Pages:9
Publishing Information:Emmaus, PA: JG Press
Keywords:TIC Keywords: Volatile organic compounds; Fate; Composts; Captan; Lindane; Sewage sludge; Degradation
Abstract/Contents:"Composting of municipal solid waste (MSW) has many advantages including volume reduction, reduced atmospheric emissions of methane from landfills, and the potential for beneficial use of the end product. Information about the fate of volatile organic chemicals (VOCs) which are commonly present in MSW is needed to protect the environment from undesirable emissions. To achieve this goal, the present study was undertaken to evaluate the fate of four VOCs (benzene, carbon tetrachloride, dichlorobenzene, and xylene) and two pesticides (Captan and Lindane) added to simulated MSW. Volatile organic chemicals were added at three concentrations while pesticides were tested at a single concentration. All of the treatments were replicated three times and composted in 200 L aerated static pile composters. The composters were specially equipped with pumps and flow meters to aerate the feedstock at 1.12-1.68 m³/hr, sorption filters to collect volatile organic chemicals from the exiting air stream, and leachate collection vessels. The feedstock was selected to be representative of MSW after the majority of recyclable metal and glass had been removed and was spiked with organic chemicals known to commonly occur in MSW. The results showed that the majority of VOCs present in the feedstock were lost via volatilization in the initial 48 hours of composting. Concentrations of VOCs were below detection limits after one week of composting in both the leachate and compost. Thus, while aerated pile composting is effective in removing VOCs from the feedstock, the exiting air stream will need to be monitored for approximately one week and possibly treated to meet environmental quality standards. Aerobic composting reduced the initial concentrations of 275 mg/kg each of Captan and Lindane to final concentrations of 53.8 and 158.9 mg/kg, respectively, after five weeks of composting. This corresponds to half lives of 1.5 and four weeks during composting for Captan and Lindane respectively. All concentrations of both pesticides were below detection limits in all samples of air, condensate and leachate, indicating that none of the pesticides were volatilized and all were retained by the MSW until they biodegraded."
Language:English
References:7
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Brown, K. W., J. C. Thomas, and F. Whitney. 1997. Fate of volatile organic compounds and pesticides in composted municipal solid waste. Compost Sci. Util. 5(4):p. 6-14.
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Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1080/1065657X.1997.10701892
    Last checked: 10/01/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: TD 796.5 .C584
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