The essential role of filling material in aerobic granular biomass generation in a periodic submerged biofilter
by Claudio Di Iaconi, Guido Del Moro, Antonio Lopez, Roberto Ramadori
World Review of Science, Technology and Sustainable Development (WRSTSD), Vol. 6, No. 2/3/4, 2009

Abstract: The paper reports the results of a laboratory-scale investigation aimed at evaluating the influence of the filling material of a Sequencing Submerged Biofilter Reactor (SSBR) on granular biomass generation. The results showed that aerobic granular biomass generation was obtained only in the reactor filled with kmt-k1 carrier, since the features of this filling media are such that they generate a bed characterised by rather uniform internal and external small-sized pore volumes able to retain the released biofilm particles. Finally, the aerobic granule formation improved the biomass retention efficiency and reduced the excess sludge production.

Online publication date: Thu, 25-Feb-2010

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