Simulation and Sensitivity Analysis for Biosolids Odour Management

Vilalai, S.1, Gabriel, S.A.1, Peot, C.2, and Ramirez, M.2, 1Department of Civil & Environmental Engineering, University of Maryland, USA, 2District of Columbia Water and Sewer Authority, USA


Statistical biosolids odour prediction model based on odour-causing variables (i.e. operational
variables and characteristics of wastewater) at the Blue Plains’ Advanced Wastewater Treatment
plant was developed. Due to the uncertainty in the independent variables of the model, Monte
Carlo Simulation and Sensitivity Analysis are carried out to investigate the biosolids odour
distribution. The results are the probability distribution of biosolids odour at the Blue Plains plant
and the management strategy to reduce odour problem.

Uncertainty, Monte Carlo Simulation, Sensitivity Analysis, Biosolids Odour

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