9Li X. Y. , Yang S. F. Influence of loosely bound extracel- lular polymeric substances (EPS) on the flocculation, sed- imentation and dewaterability of activated sludge. Water Research, 2007, 41(5): 1022-1030.
10Sesay M. L. , 0zcengiz G. , Dilek Sanin F. Enzymatic extraction of activated sludge extracellular polymers and implications on bioflocculation. Water Research, 2004, 40(7) : 1359-1366.
