A next-generation external membrane technology

The energy advantages of using an airlift MBR process

Written by:  Michael Sparks and Dan Turner

 Membrane bioreactors (MBRs) have proven to be a viable technology for treating both domestic and industrial wastewater. Although MBRs are considered the best available technology for the treatment of wastewater, there is additional energy cost associated with the upkeep of the membranes.

However, a Venezuelan brewery has discovered that using a sidestream, airlift MBR to process its wastewater can significantly reduce the energy required to keep the membrane’s transmembrane pressure stable when compared to more traditional immersed MBR systems

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