A. Materials:
The model used in this study was constructed of Fiber Glass and had an length of 30 cm, width of 15 cm. The height at
which outlet was provided is 25 cm. The volume of tank is 11 liters. Outlet was provided with strainer so that gel does
not get drained out of tank. The reactor was fitted with four Strip diffuser of 15 cm in length, attached to three
compressors so that proper aeration can be provided to assure gel don’t get settled at the bottom.