Features of MBR(Manual)

May 27, 2021


The process flow of the conventional activated sludge system (CAS) and MBR are shown in Fig.1 and Fig.2, respectively. 
Fig. 1  CAS Flow

Fig. 2  MBR Flow
MBR provides the following advantages:
(1)Small Footprint 
Unlike CAS, MBR separates sludge within aeration tank using membranes, thus eliminate the space for preparing sedimentation tank. Also with membrane, MBR can hold higher concentration of activated sludge in the aeration tank, so its volume can be reduced. As a result, MBR provides smaller footprint compared to CAS. 
(2)High quality of treated water
MBR removes suspended solid (SS) from the sludge liquid with membrane much more certainly than conventional sedimentation process. MBR also rejects microorganisms such as Escherichia coli and Cryptosporidium efficiently.

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This content is extracted from “Submerged Membrane Module for MBR TORAY “MEMBRAYTM” Instruction Manual”(the Manual).  Please refer to other contents stated in the Manual.
( https://www.water.toray/knowledge/manual/ )