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http://dx.doi.org/10.5762/KAIS.2014.15.3.1795

Temperature Prediction for the Wastewater Treatment Process using Heat Transfer Model  

Rho, Seung-Baik (Department of Chemical Engineering, Keimyung University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.15, no.3, 2014 , pp. 1795-1800 More about this Journal
Abstract
The temperature change in the biologically activated sludge wastewater treatment process was predicted using the heat transfer model. All incoming and outgoing heats in wastewater treatment processes were considered. Incoming heats included the solar radiation heat, the heat from impeller mechanical energy, and the biochemical heat in the aeration process. Outgoing heats comprised the radiation heat from the waste itself, the heat of vaporization and surface aeration, the wind convection heat and the conduction heat between the surface and aerator. All heats were used as an input to the existing empirical heat transfer model. The heat transfer model of wastewater treatment processes is presented also. To test the validity of the heat transfer model, the operating conditions of the actual wastewater treatment plant were used. The temperatures were compared with the model temperatures. Model predictions were consistent within the $1.0^{\circ}C$.
Keywords
Heat transfer; Temperature prediction model; Wastewater treatment process;
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