Effect ofdosing Kieselguhr on operational performances of A/O-MBR
Under the same feed and operating conditions, membrane permeability and the removal effect of contaminant in the reactor one ( not dosing Kieselguhr) and reactor two ( dosing 1 g/L Kieselguhr) were studied and compared. Moreover, the mechanism that Kieselguhr enhance the membrane permeability was analyzed. It was found that dosing Kieselguhr could improve the effluent water quality, And the results also showed that dosing Kieselguhr changed the characteristics of the sludge mixed liquor and increase sludge particle size in MBR, which led to less trans-membrane pressure developing.
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