Mathematical modeling of Upflow Anaerobic Sludge Blanket reactor in domestic wastewater treatment 2013Abdel-Halim H.S.Confrence PaperEl-Seddek M.M.Galal M.M.Radwan A.G. This paper introduces a dynamic model to adequately describe an Upflow Anaerobic Sludge Blanket (UASB) reactor