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Dynamic Simulation of an Organic Compound Release in Wastewater Treatment

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Transient or intermittent releases of specific volatile or semi-volatile organic compounds are notmanaged well by existing predictive fate models such as TOXCHEM+ or Water9 because they are based on steady-state conditions. In this paper, dynamic modeling of a wastewater treatment system treating an accidental release of acetone is analyzed to determine peak emission rates and total mass loadings to air and effluent. Remedial actions such as nutrient addition to promote biomass growth for biodegradation, and use of off-line storage with slow return pumping to treatment are comparedto passive acceptance of the release in treatment. Certain remedial strategies prove more effective in minimizing air emissions and effluent releases than others, demonstrating the benefits of thedynamic modeling approach.

Document Type: Research Article


Publication date: 2006-01-01

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