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MBR Wastewater Treatment - Membrane Bioreactor Systems

MBR Wastewater Treatment (Membrane Bioreactor) systems combine biological treatment with membrane filtration in a single unit, offering much higher treatment efficiency and compact facility area compared to traditional activated sludge systems. MBR bioreactor technology is an indispensable solution, especially in projects where water recovery is targeted.

MBR Wastewater Treatment (Membrane Bioreactor) systems combine biological treatment with membrane filtration in a single unit, offering much higher treatment efficiency and compact facility area compared to traditional activated sludge systems. MBR bioreactor technology is an indispensable solution, especially in projects where water recovery is targeted.

What is an MBR Bioreactor?

MBR bioreactor is an advanced treatment technology that combines biological wastewater treatment processes with membrane filtration technology within a single system. The final settling tank used in traditional activated sludge systems is replaced by micro or ultrafiltration membranes.

As a result, the treated water is purified from suspended solids, bacteria, and viruses by passing through the membrane pores. MBR bioreactor technology is an indispensable solution, especially in facilities where the reuse of treated water is targeted.

Additionally, it stands out with its compact structure in areas with land restrictions and in projects requiring high discharge standards. Our systems are designed with capacities ranging from 50 m³/day to 10,000 m³/day. For smaller capacities, you can check our package treatment systems.

What is an MBR Bioreactor?
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AKM Removal

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Membrane Life

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BOD Removal

Technical Specifications

  • Membrane Type: PVDF or Ultrafiltration (UF) options
  • Pore Size: 0.04 - 0.4 µm precise filtration
  • MLSS Range: 8,000 - 12,000 mg/L high concentration
  • Treatment Efficiency: BOİ >98%, KOİ >95%, AKM >99% guaranteed performance
  • Energy Consumption: 0.8 - 1.5 kWh/m³ low energy cost
  • Membrane Lifespan: 7 - 10 years with maintenance
  • Automation: Fully automated remote monitoring with PLC and SCADA
  • Capacity Range: Projecting between 50 and 10,000 m³/day

Application Areas

  • Industrial Wastewater Treatment: Textile, food, chemical, and automotive industries
  • Urban Wastewater: Municipal and district treatment plants
  • Water Recovery: Irrigation and industrial process water supply
  • Tourism Facilities: Hotel, resort, and shopping mall facilities
  • Organized Industrial Zones: Central treatment systems in OIZ
  • Mining and Energy Sector: Process water treatment solutions
  • Maritime: Ship and platform wastewater systems
  • Healthcare Facilities: Hospital and laboratory wastewater treatment

How Does an MBR Bioreactor Work?

In the MBR bioreactor system, wastewater first enters the biological reactor. Here, aerobic microorganisms break down organic pollution. Therefore, biological treatment is completed in the initial stage.

In addition, membrane modules placed inside or outside the biological reactor separate the treated water from the sludge. Thanks to the membrane pore size of 0.04-0.4 µm, bacteria and viruses are completely retained.

As a result, the obtained permeate (filtrate water) can be directly discharged. Additionally, industrial quality reclaimed water can be produced by feeding it into the reverse osmosis system. The system operates fully automatically with PLC and SCADA.

How Does an MBR Bioreactor Work?

Advantages of MBR Treatment

Superior Treatment Quality Water with reuse quality with output values of BOI <5 mg/L, KOI <30 mg/L, AKM <1 mg/L.
Compact Plant Area Requires 50-70% less space compared to traditional facilities.
High MLSS Concentration High biological treatment efficiency with 8,000-12,000 mg/L MLSS.
Water Recovery The permeate quality is suitable for RO feed or direct irrigation water.
Low Sludge Production Due to the long sludge age, 30-50% less excess sludge is produced.
Modular Structure The capacity can be easily expanded with additional membrane modules.

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Contact our expert team for a project-specific MBR solution. We offer free site assessment and feasibility support.

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Wastewater Treatment Process

The general flow we apply in industrial wastewater treatment plants. You can click on each stage to access detailed information.

1
1. Introduction
Raw wastewater acceptance
Detailed Information

Wastewater passes through coarse screening and grit chamber — large particles, stones and sand removed. pH and flow measured.

2
2. Pre-Treatment
Physical-Chemical
Detailed Information

Equalization (flow/load balancing), coagulation-flocculation (PAC/alum dosing), primary clarification — 80%+ TSS removal.

3
3. Biological
Activated Sludge / MBR
Detailed Information

Aerobic biological treatment — activated sludge or MBR. 95%+ BOD/COD removal. Nitrification-denitrification for nitrogen removal.

4
4. Advanced Treatment
UF + RO
Detailed Information

Ultrafiltration and reverse osmosis remove bacteria/viruses and dissolved salts. RO permeate reaches potable quality (conductivity <50 µS/cm).

5
5. Disinfection
UV / Chlorine
Detailed Information

UV (40 mJ/cm² dose) or controlled chlorine dosing achieves 4-log pathogen inactivation. Ready for discharge or reuse.

6
6. Reuse
Irrigation / Process
Detailed Information

Treated water returned to plant (cooling tower, washing, CIP), landscape irrigation, or controlled discharge. Lower carbon footprint.

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Biological Wastewater Treatment - Activated Sludge Systems

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04

Industrial Wastewater Treatment - Solutions for Industrial Facilities

Industrial wastewater treatment plants are advanced technology systems designed for the treatment of factory and industr...

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Lamella Settling and Sedimentation Systems

Lamella sedimentation systems are a high-efficiency solid-liquid separation technology implemented on inclined plates. T...

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Treatment Plant Operation Services

Wastewater treatment plant operation service ensures the professional management of your existing facility with our expe...

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07

UV Disinfection Systems

UV disinfection systems are environmentally friendly solutions that disinfect water using ultraviolet rays without the u...

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08

Reverse Osmosis Systems

Reverse osmosis (RO) systems are advanced treatment technologies that purify water at high pressure using semi-permeable...

Detailed Information
09

Mobile RO Water Treatment Systems

Mobile RO water treatment systems are portable solutions that integrate reverse osmosis technology on a container or tra...

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Sand and Carbon Filtration Systems

Sand and carbon filtration systems are effective water treatment solutions that remove sediment, suspended solids, chlor...

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Ultrafiltration UF Systems

Ultrafiltration UF systems are advanced treatment technologies that remove microorganisms, suspended solids, and high mo...

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Trailer Water Treatment Systems

Trailer water treatment systems are mobile solutions that are integrated onto a trailer and can be transported to the de...

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Frequently Asked Questions

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The MBR system replaces the final settling tank in the traditional activated sludge process with membrane filtration. This results in occupying 50-70% less space, eliminates the need for disinfection, and the effluent water is of recovery quality (BOI <5 mg/L, AKM <1 mg/L). In traditional systems, additional advanced treatment units are required to achieve this quality.
When regular maintenance and chemical cleaning (CIP) are performed, the average lifespan of MBR membranes is 7-10 years. Factors affecting membrane lifespan include: the quality of pre-treatment, frequency of chemical cleaning, operating pressure, and characteristics of the wastewater. Periodic backwashing and chemical washing every 3-6 months help maintain membrane performance.
MBR systems are designed for capacities ranging from 50 m³/day to 10,000 m³/day and above. In small-scale facilities, package MBR units are used, while modular MBR lines are utilized in large-scale projects. When capacity increase is required, the existing system can be easily expanded by adding additional membrane modules.
The energy consumption of MBR systems ranges from an average of 0.8-1.5 kWh/m³. The main sources of energy consumption are: aeration blowers (50-60%), membrane vacuum/pressure pumps (20-30%), and mixers/recirculation pumps (10-15%). Energy optimization is achieved with next-generation low-energy membranes and variable frequency drives.
MBR permeate, due to its high quality, can be reused in many areas: agricultural irrigation, landscape irrigation, industrial process water, cooling water, toilet flushing, and vehicle washing. When combined with reverse osmosis (RO), water of drinking quality can be obtained.
In our projects, we use Memsis, a world leader in membranes: GenMBR (Turkey) membrane modules. It is customized according to project requirements, wastewater characteristics, and customer preferences.
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