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Algal flocculation-sedimentation by pH increase in a continuous reactor
The effectiveness of microalgae flocculation by pH increase was investigated using the jar test procedure. The results indicated that pH values between 11.8 and 12 induced extensive flocculation
Anaerobic digestion of dairy wastewater by inverse fluidization: The inverse fluidized bed and the inverse turbulent bed reactors
It was found that the main advantages of this system are: low energy requirement, because of the low fluidization velocities required; there is no need of a settling device, because solids accumulate at the bottom of the reactor, so they can be easily drawn out and particles with high‐biomass content can be easy recovered.
Equilibrium and kinetics of nitrate removal by protonated cross-linked chitosan
Nitrate, contained in surface or groundwater, can be removed by sorption on protonated cross-linked chitosan gel beads, which is pH-dependent and large enough to meet the standard of drinkable water.
Influence of biomass accumulation on bed expansion characteristics of a down-flow anaerobic fluidized-bed reactor.
This article describes the bed expansion characteristics of a down-flow anaerobic fluidized bed reactor treating a synthetic wastewater. Experiments were carried out in a 0.08 m diameter and 1 m