The Global Membrane Bioreactors (MBR) Market was valued at US$ 3403.1 Million in 2022 and is projected to reach US$ 5062.5 Million by 2029, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period. This robust growth is propelled by tightening environmental regulations, increasing water scarcity concerns, and the global push for high-quality wastewater reuse, which is accelerating the adoption of advanced MBR technologies across municipal and industrial sectors worldwide.

As water treatment becomes a critical pillar of sustainable development, the focus intensifies on the technology providers who are engineering efficiency, reliability, and smarter solutions. In this blog, we profile the Top 10 Companies in the Membrane Bioreactors (MBR) Industry—a blend of global water giants, specialized technology firms, and regional leaders shaping the future of water purification.

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🔟 1. SUEZ

Headquarters: Paris, France
Key Offering: MEMBREX^® MBR Systems, BioThelys^® Sludge Treatment

SUEZ is a global leader in water and waste solutions, with a comprehensive portfolio of MBR technologies designed for high-performance wastewater treatment. Their expertise spans municipal and industrial applications, delivering compact, efficient systems that enable water reuse and minimize environmental footprint.

Innovation Initiatives:

• Development of low-energy MBR configurations
• Integration of digital solutions for smart plant operations
• Focus on circular economy models for water and resource recovery

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9️⃣ 2. Evoqua Water Technologies

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: MEMCOR^® MBR, ADI-MBR^® Systems

Evoqua is a prominent provider of water and wastewater treatment solutions, offering robust MBR systems known for their reliability and operational efficiency. Their technologies are widely used in demanding industrial sectors and municipal plants requiring stringent effluent quality.

Innovation Initiatives:

• Advanced membrane materials and fouling control technologies
• Packaged and skid-mounted MBR units for faster deployment
• Comprehensive service and maintenance support network

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8️⃣ 3. KUBOTA Corporation

Headquarters: Osaka, Japan
Key Offering: Kubota Submerged Membrane Unit (Kubota SMU^®)

KUBOTA is a pioneer in flat-sheet membrane technology, with its SMU systems installed in thousands of plants globally. The company’s reputation is built on the durability and operational simplicity of its membrane cartridges, making it a preferred choice for decentralized and large-scale applications.

Innovation Initiatives:

• Continuous improvement of membrane durability and permeability
• Expansion into nutrient removal and recovery processes
• Strong focus on the Asian and North American markets

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7️⃣ 4. Toray Industries, Inc.

Headquarters: Tokyo, Japan
Key Offering: TORAYFIL^® Hollow Fiber MBR Modules

Toray is a leading advanced materials company with a strong presence in the MBR market through its high-performance hollow fiber membranes. Its modules are engineered for high packing density and excellent filtration performance in both municipal and industrial wastewater treatment.

Innovation Initiatives:

• R&D in next-generation PVDF and PES membrane polymers
• Development of energy-efficient aeration systems for MBRs
• Strategic partnerships with global engineering firms

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6️⃣ 5. Asahi Kasei Corporation

Headquarters: Tokyo, Japan
Key Offering: MICROZA^® Hollow Fiber MBR Modules

Asahi Kasei is a diversified chemical company and a major supplier of hollow fiber membrane modules worldwide. Its MICROZA^® brand is synonymous with high quality and is extensively used in MBR systems for producing high-purity treated water.

Innovation Initiatives:

• Focus on enhancing chemical resistance and membrane longevity
• Applications in high-strength industrial wastewater treatment
• Commitment to sustainability through water recycling solutions

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5️⃣ 6. Koch Separation Solutions (KSS)

Headquarters: Wilmington, Massachusetts, USA
Key Offering: PURON^® MBR Modules, PURAD^® Systems

Koch Separation Solutions, part of Koch Industries, offers advanced membrane technologies including the widely recognized PURON^® MBR modules. These modules are designed for resilience against clogging and are utilized in some of the world’s largest MBR installations.

Innovation Initiatives:

• Proprietary membrane fiber and module design to reduce fouling
• Integration with advanced pretreatment and purification processes
• Expansion of service offerings for operational optimization

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4️⃣ 7. Pentair plc

Headquarters: London, United Kingdom
Key Offering: X-Flow^® Hollow Fiber MBR, MBR Systems

Pentair provides smart, sustainable water solutions, with its X-Flow^® MBR technology serving a global customer base. The company focuses on delivering efficient systems for water reuse, particularly in water-stressed regions.

Innovation Initiatives:

• Development of compact, containerized MBR units
• Focus on reducing lifecycle costs and energy consumption
• Solutions tailored for the food & beverage and pharmaceutical industries

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3️⃣ 8. Mitsubishi Chemical Aqua Solutions Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: STERAPORE^® Hollow Fiber MBR Modules

Mitsubishi Chemical is a key player in the MBR membrane supply market. Its STERAPORE^® modules are known for their high strength and reliability, making them suitable for a wide range of wastewater conditions.

Innovation Initiatives:

• Advanced manufacturing techniques for consistent membrane quality
• Research into membranes for specific industrial contaminants
• Growing footprint in Southeast Asia and the Middle East

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2️⃣ 9. Beijing OriginWater Technology Co., Ltd.

Headquarters: Beijing, China
Key Offering: Full-scale MBR Plant Engineering, Technologies & Membranes

OriginWater is a leading Chinese environmental technology company specializing in MBR-based water purification projects. The company has executed numerous large-scale municipal MBR plants across China, contributing significantly to the country’s water quality improvement goals.

Innovation Initiatives:

• Pioneering the use of MBRs in China’s “Sponge City” initiatives
• Development of integrated solutions combining MBR with other advanced processes
• Strong government and public-private partnership projects

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1️⃣ 10. Alfa Laval

Headquarters: Lund, Sweden
Key Offering: Alfa Laval MBR Systems (Based on Hollow Fiber & Flat Sheet)

Alfa Laval brings its engineering excellence in heat transfer, separation, and fluid handling to the MBR market. The company offers efficient and compact MBR solutions, particularly for industrial applications where space and reliable performance are critical.

Innovation Initiatives:

• Focus on energy-efficient membrane filtration systems
• Applications in challenging industrial sectors like marine and O&G
• Global service network ensuring operational uptime

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🌍 Outlook: The Future of MBR Technology Is Smarter and More Integrated

The Membrane Bioreactor market is experiencing a paradigm shift. While traditional activated sludge systems remain common, the industry is rapidly adopting intelligent MBR solutions that offer superior effluent quality, smaller footprint, and data-driven operations. The push for water circularity is making MBR a central technology for reuse applications.

📈 Key Trends Shaping the Market:

• Rising demand for water reuse and recycling in arid regions and industrial processes
• Integration of Internet of Things (IoT) and Artificial Intelligence (AI) for predictive maintenance and optimization
• Development of anaerobic MBRs (AnMBR) for energy-positive wastewater treatment
• Increasing stringency of wastewater discharge regulations globally, especially for nutrients and micropollutants

Get Full Report Here: Membrane Bioreactors (MBR) Market – View in Detailed Research Report

The companies listed above are not just providing treatment systems—they are enabling a sustainable water future by turning wastewater into a valuable resource.