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Remove Biofouling from Ultrafilters

Remove Biofouling from Ultrafilters

Q. We are a waste treatment plant with an in-house ultrafiltration system. We keep experiencing rapid fouling of our filters causing an excessive need to take the system out of service for cleaning. We suspect that microbes are growing inside the system and rapidly clogging the pores of the filter. We have tried hot NaOH flushes and we see little to no improvement on the filter permeability and very poor permeability recovery.

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