00670naa a2200229 a 450000100080000000500110000800800410001910000180006024501130007826000090019165300180020065300080021865300270022665300180025365300080027165300180027970000210029770000230031870000150034170000170035677300670037319196672013-02-27       2011    bl uuuu     u00u1 u    #d1 aLEITAO, R. C.  aThe effect of operational conditions on the hydrodynamic characteristics of the sludge bed in UASB reactors.  c2011  aExpansibility  aHRT  aInfluent concentration  aSettleability  aSVI  aUASB reactors1 aSANTAELLA, S. T.1 avan HAANDEL, A. C.1 aZEEMAN, G.1 aLETTINGA, G.  tWater Science and Technologygv. 64, n. 9, p. 1935-1941, 2011.