Fluid hydrodynamics in submerged and sidestream membrane bioreactors.

  title={Fluid hydrodynamics in submerged and sidestream membrane bioreactors.},
  author={Pierre Le-Clech and Hector Alvarez-Vazquez and Bruce Jefferson and Simon J Judd},
  journal={Water science and technology : a journal of the International Association on Water Pollution Research},
  volume={48 3},
As with all membrane processes, turbulence, as promoted by aeration in submerged membrane bioreactors (MBRs) or pumping in sidestream (SS) systems to produce somewhat higher effective cross-flow velocities, increases mass transfer and reduces fouling. This is manifested in an elevated critical flux, the flux at which the membrane permeability is sustained. However, the non-Newtonian nature of the sludge makes precise rheological characterisation difficult. In this study, a calculation of the… CONTINUE READING