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    Real-Time Monitoring and Forecasting of Odor after Dewatering in Wastewater Treatment

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    No. of downloads: 1684

    Date
    2006-12-08
    Author
    Janpengpen, Ampun
    Advisor
    Baecher, Gregory B
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    Abstract
    District of Columbia Water and Sewer Authority (DCWASA) operates an advanced wastewater treatment plant that treats approximately 370 mgd of wastewater and generates over 400,000 wet tons of biosolids each year. The reduction of biosolids odors at the plant before distribution to the field sites is therefore, a high priority. Each unit process of a wastewater treatment plant has the potential to generate odor-causing compounds. Total Reduced Sulfur is one of the main components of the odor-generated by wastewater treatment facilities and is the dewatered solids emissions monitored by this study. Many studies have indicated that odors are generated from the upstream processes and from storage, but this research presents information about the odors arising after dewatering. It demonstrates a statistical model that forecasts which factors are significant contributions to odors and which can be used to forecast biosolids odor. The model indicates that secondary west odd blanket depth is the most significant factor for odor level after dewatering and at the depth more than 1.8 ft will be caused more odors. In addition, this research provides basic information to compare odor after lime addition which is the next phase of research, and this model can assist DCWASA to schedule routes for distribution of biosolids to field sites.
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    http://hdl.handle.net/1903/4210
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    • Civil & Environmental Engineering Theses and Dissertations
    • UMD Theses and Dissertations

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    DRUM is brought to you by the University of Maryland Libraries
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