Modeling of Domestic Wastewater Treatment Facultative Stabilization Ponds

Abstract

The processes of Biological treatment intend to reduce the organic matter content by using microorganisms. Problems, which often occur in the treatment process, include the Wastewater Treatment Plant (WWTP) being planned for treating domestic wastewater only, but in fact the WWTP often receives non-domestic wastewater particularly direct or indirect faecal deposits. There are 13 simultaneous systems of nonlinear differential equations using the method of Runge o angle charts and tolerance ± 20%, respectively for BOD (76.8%), COD (57.7%) and DO (81.9%). The model, as a means for performance evaluation of the WWTP, is appropriate for Class II water quality standards.

Facultative Stabilization Pond: Measuring Biological Oxygen Demand using Mathematical Approaches

“…The capital cities in Indonesia have some problems about environment quality, especially at settlements, so the greater population the more pollution increase [1,2]. The waste of settlements are always domestic wastes.…”

“…So, to decrease pollutant concentration, we need to treat those domestic wastewater before disposed to environment [3,4]. Wastewater Stabilization Pond (WSP) is considered as the most suitable system to treat urban wastewater in tropical and subtropical regions and used for improving quality of water [2,4,5,6,7,8]. Stabilization pond also relies on natural processes of wastewater treatment by using the presence of microorganisms on it [2,3,9].…”

“…Wastewater Stabilization Pond (WSP) is considered as the most suitable system to treat urban wastewater in tropical and subtropical regions and used for improving quality of water [2,4,5,6,7,8]. Stabilization pond also relies on natural processes of wastewater treatment by using the presence of microorganisms on it [2,3,9]. Those microorganisms could reduce organic matter of pollutant contained in pond [2].…”

“…Stabilization pond also relies on natural processes of wastewater treatment by using the presence of microorganisms on it [2,3,9]. Those microorganisms could reduce organic matter of pollutant contained in pond [2]. One part of stabilization pond system is facultative pond such as Waste Water Treatment Plants (WWTP) Sewon in Bantul, Indonesia.…”

“…The presence of BOD can be used as pollutant indicators. The greater oxygen in a wastewater, the smaller the contamination will be [2].The change of BOD in wastewater also can describe the quality of that wastewater [2]. To know a quality of water, wastewater need to meet a requirement value of Biological Oxygen Demand (BOD).…”