... natural activated sludge An extracellular polymer was extracted from an activated sludge suspension and was characterized because an extracellular polymer closely related to flocculation of activated ... drawn from the results of the study An extracellular polymer closely related to flocculation of activated sludge was obtained from the sludge suspension by sonication The polymer exhibited flocculating ... Blumenkrantz, N and Asboe-Hansen, G (1973) New method for quantitative determination of uronic acids Anal Biochem., Vol.54, 484-489 Dermlim, W., Prasertsan, P and Doelle, H (1999) Screening and characterization...