Dynamic Simulation of Volatile Compound Transient Events at WWTPS
Abstract: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
Publication date: January 1, 2006
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