MBR WWTP - Membrane Bioreactor(MBR)
MBR Wastewater Treatment Plant
MBR WWTP - Membrane Bioreactor(MBR)

Membrane Bioreactor type municipal wastewater treatment plant

Product Specification:
  • Capacity :


  • Technology :

    Membrane bioreactor+biological

  • Typical Quality :

  • Turbidity :


  • COD :


  • BOD :


  • NH3-N :


  • Auto-control :


Membrane Bioreactor (MBR) is a matured advanced technology for sewage& wastewater treatment application, which is a combination of Membrane separation & Biochemical technologies. Hollow Fiber Module (MBR sheet) separate the water from biochemical reaction tank. It is effective to separate water from mixed liquid& solid via a membrane hollow fiber with 0.02 micron poresize, and the activated sludge will be always stayed in the tank, so can degrade macromolecular organics & digest Nitrogen& phosphorus etc. with utilizing MBR technology, removal percentage of pollutions can be up to : COD removal ≥93%, SS &Bacteria removal>99.99%; outlet water is with a excellent quality, can be recycle to car wash, garden, irrigation, toilet flushing, daily cleaning, and even for drinking purpose after with further treatment with Reverse Osmosis.  

MBR Series Submersed Membrane Hollow Fiber Sheet is specially designed for Membrane Bio-reaction in various sewage& waste water treatment application.  MBR fiber is Outside-In type of ultra filtration Membrane hollow fiber with reinforced polyvinylidene fluoride(R-PVDF) , which can withstand heavy breaking strength even up to 200N .   the prefabricated MBR cassettes minimize footprint, shorten set-up and testing at site. and simplest the operation. 

a Typical MBR engineering process diagram for domestic sewage and municipal wastewater treatment plant as the following:

MBR system

Design parameter for typical sewage treatment

Items pH COD
Influent 6~9 500 200 30 3 200 --
Effluent 6~9 25 5 5 0.5 5 ≤2NTU

Note: effluent quality satisfy Chinese national standards GB/T 18920-2002 <Water quality standard for urban recycling water and miscellaneous water consumption> and Class 1-A of GB/T 18918-2002<Discharge standard of pollutants for municipal wastewater treatment plant>

Standard specification of our MBR cassettes

Effective area (m2)
Module size (mm)
2200 x 750 x 1750
2200 x 1600 x 1750
2500 x 1600 x 2200
2200 x 1600 x 2500
2500 x 1700 x 2500

NOTE: 1.Design flow depend on inlet water quality, design running condition etc. please contact us for more details.

          2. More customized modules/cassettes are preferred too, please contact us for more details.

Membrane technology has advanced significantly in the past 20 years for both water purification and wastewater treatment. Today, membrane-based systems have become the preferredt echnology for most of water purification and wastewater treatment applications: cod,bod removal,Cryptosporidium and Giardia control, color or suspended solids removal, etc.
The combination of membranes with the activated sludge process has redefined basic sewage & wastewater treatment approach, optimizing the biological treatment operation and yielding a treated effluent that is ideal for reuse. Key advances in membrane technology are at the leading edge of this trend:

Uncoupling HRT and SRT

A significant advantage of the membrane bioreactor process is that the sludge solids are completely retained in the bioreactor.  This means the solids retention time (SRT) in the bioreactor can be completely controlled separately from the hydraulic retention time (HRT).

This is different from the CAS process, where the flocculant solids that make up the biomass have to be allowed to grow in size to the point where they can be settled out in the secondary clarifier. In a CAS, the HRT and SRT are therefore coupled, since the floc size and thus its settlability relate to the HRT.

High quality effluent

Membrane’s pore size (0.03 or 0.1 µm) ensure that the treated effluent is of very high clarity and significantly reduced pathogen concentration. MBR processes provide a substantially clarified and disinfected effluent of high enough quality to be discharged to sensitive receiving bodies or to be reclaimed for applications such as urban irrigation, utilities or toilet flushing. 

Small footprint

The retention of the solids and the increase in SRT to generate higher biomass solids concentrations also impacts on the plant footprint. The increased concentrations mean that the same total mass of solids is contained in a smaller volume, such that the footprint is smaller.

Better biotreatment

Lastly, the longer solids retention times tend to provide better biotreatment overall. The conditions encourage the development of the slower-growing microorganisms, specifically nitrifiers. MBRs are especially effective at the biological removal of ammonia (nitrification).

Automatic simplest operation

A STP/WWTP with MBR can be run continuously with PLC control system. To get the most simplest operation. We have launched standard SIEMENS PLC system and SCADA System and SMS alarm etc. You can control and monitor system at anywhere and anytime only with a internet service.

Modular Design for minimize/simplest site installation and operation

All package WWTP/STP are designed with necessary process base on different wastewater, like Chemicals reactions,floatation,sedimentaton, biological and membrane bioreactor(MBR) etc. it can minimize the installation and testing at site, significant time saving.

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