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A modeling approach for VOC emissions from sewers

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Experimental and computational studies were completed to assess volatile organic compound (VOC) emissions from wastewater collection systems. Deuterated chloroform solutions were released into two operating collection systems as a VOC tracer. Downstream sampling of the sewer headspace and wastewater was performed and samples were analyzed by mass spectrometry. Results were used to evaluate a twophase finite volume model for VOC interphase mass transfer and emissions for uniform reaches in sewers. Differences between predicted and experimental average steady-state concentrations were less than 30%, quite adequate for emission estimation purposes given other uncertainties in wastewater characteristics. The model described in this paper is intended to serve as a screening tool to identify conditions leading to emissions of VOCs from collection systems. The modeling approach can also serve as a basis for more advanced computational solutions as the knowledge base associated with VOCs in sewers improves.
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Keywords: collection systems; emissions; mass transfer; model; volatile organic compounds

Document Type: Research Article

Publication date: 1992-07-01

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  • Water Environment Research (WER) is published monthly, including an annual Literature Review. A subscription to WER includes access to the latest content back to 1992, as well as access to fast track articles. An individual subscription is valid for 12 months from month of purchase.

    Water Environment Research (WER) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.

    Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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