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Dynamic Simulation of Volatile Compound Transient Events at WWTPS

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Transient or intermittent releases of specific volatile or semi-volatile organic compounds are not managed well by existing predictive fate models such as TOXCHEM+ or Water9 because they are based on steady-state conditions. In this paper, two scenarios for treatment of transient organic compound concentrations are studied using dynamic simulation:

Remedial actions (such as nutrient addition biodegradation, and use of off-line storage with slow return pumping to treatment) are compared to passive acceptance of the release in treatment.

For covered processes, strategies for managing headspace concentrations which may approach lower explosive limits are examined. Certain remedial strategies prove more effective in minimizing air emissions and effluent releases than others, demonstrating the benefits of the dynamic modeling approach.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864706783761121

Publication date: January 1, 2006

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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