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Computer Model Development on Contact-Stabilization Wastewater Treatment Systems
Priana Sudjono1, Park Sang Sook2 & A. Cahyo1
1Dept. of Environmental Engineering - ITB
Fax +62 022 2534166; Email: memteq@ bdg.centrin.net.id
2Dept of Environmental Engineering
Sunchon University Korea
Abstract. Computer model is developed to relate parameters that determine the performance of a contact-stabilization system. Based on mass and substrate balance in the system, relationships between the variables are developed, then simulations using various values of the parameters can produce trend lines indicating the behavior of a system as well as the required conditions to reach an expected performance. When the operating conditions, such as recycled sludge and wasted sludge are changed, the model demonstrates alterations of the performance consistent to the developed mathematical relationships. Additionally, the computer model shows that the results could produce further explanation on phenomena of biological processes in contact-stabilization systems.
Keywords: computer model, contact-stabilization, recycled sludge, wasted sludge
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