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Dynamic simulation of wastewater treatment processes was used to select among several options for startup operation of an industrial effluent treatment plant. A covered anaerobic lagoon treating the effluent of a food processing facility needed to be drained for repairs, without shutting down the factory. As a further complication, the factory effluent flow was discontinuous, leading to a complex set of options for the timing of the draining/treatment. Dynamic simulation technology was successfully used to simulate the process, and to evaluate several treatment timing options. The simulation was able to highlight the most effective option.

The simulation results also indicated that supplemental methanol treatment was required. Further modelling exercises helped to determine the optimal timing and quantity of methanol addition.

Subsequent monitoring of the plant during the initial lagoon-draining phase showed that the system behaviour was well predicted by the model, confirming that dynamic simulation analysis allowed managers to make a informed decision when choosing treatment options.
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Document Type: Research Article

Publication date: 2002-01-01

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