Dynamic simulation for the requirements of oxygen about the Municipal Wastewater Treatment Plant - Case of Souk-Ahras/Algeria

Today, in Algeria, most wastewater treatment plants (WWTP) are of the biological activated sludge type. Generally, the urban effluents are forwarded to a basin where microorganisms in the form of activated sludge proliferate. To do their job, microorganisms (activated sludge) consume oxygen, which must be suitably supplied. Aeration for the purpose of supplying oxygen accounts for 50 to 80% of the energy expenditure of the plant. This research, conducted using GPS-X software and the model ASM1 of IWQ and using available data, aim is to model the process of oxygen transfer in the aeration basin at Souk-Ahras WWTP. The end result is to reduce the cost of energy at the plant, which is weighing down the finances of the management. Keywords: wastewater characterization, modeling, ASM1, IWQ, simulation, GPS-X, WWTP.