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The technology and cases of membrane bioreactor (MBR)

The introduction of membrane bioreactor (MBR)

Membrane bioreactor is the new wastewater treatment system that the organic combination of membrane separation technology and biological treatment technology。Using the membrane separation equipment entrap activated sludge and solid in aerobic tank。Therefore the concentration of activated sludge (MLSS) and sludge age (SRT) will increase 2 ~ 4 times in the system, the relative hydraulic retention time(HRT) can be greatly reduced, large particles and difficult to degrade in the process tank can also be continuous reaction and degradation, so the membrane bioreactor by membrane separation technology to strengthen the biological response function。MBR system has been developed in the recent twenty years, with the improvement of membrane manufacturing technology and the accumulated experience of our companys long-term application , MBR process has become a very mature technology and will attract worldwide attention in the environmental protection industry。


The characteristics of membrane bioreactor (MBR)
•Microbe concentration can increase 2 ~ 4 times, biochemical efficiency increased by 20 ~ 40%;
•Shorten the hydraulic retention time, extend the sludge (organic macromolecules colloidal particles) residence time;
•The secondary sedimentation tank (sst) can be removed;
•Water pure and transparent ;
•Sludge cleaning cycle is long;
•Simple operation can be automatically controlled;
•The service life of hollow fiber membrane can reach more than 3 years.

The Beijing-Shanghai high-speed service MBR membrane system

“The design guides of membrane bioreactor (MBR)


3000T/D Chemical wastewater MBR membrane system

1000T/D Food wastewater MBR membrane system


During installation of 4000T/D MBR membrane system


720T/D Printing and dyeing wastewater MBR membrane system