2018, Volume 12, Issue 5
Frontiers of Environmental Science & Engineering >> 2018, Volume 12, Issue 5 doi: 10.1007/s11783-018-1077-0
Investigate of in situ sludge reduction in sequencing batch biofilm reactor: Performances, mechanisms and comparison of different carriers
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Abstract
Microbial metabolism uncoupling, sludge decay is the main mechanism to promote in situ sludge reduction on this biofilm system. The main reduction mechanism inside the biofilm is sludge decay in the longitudinal distribution of biofilm. Mizugakiibacter and Azospira anaerobic fermentation bacterium dominate the FSC organisms indicating the dominant mechanism on the biofilm is sludge decay. The floating spherical carriers with compound of the polyurethane and two fiber balls can effectively blocking suspended sludge, improving Biofilm formation efficiency significantly.
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