MABR (Membrane Aerated Biofilm Reactor)

Revolutionizing Wastewater Treatment with MABR Technology

The Membrane-Aerated Biofilm Reactor is one of the most recent wastewater-treatment technologies. It combines sophisticated gas-separation membrane technology with fixed-biofilm treatment to address the demand for treatment that is efficient, sustainable, and compact. MABR technology improves biological treatment efficiency and reduces energy consumption by introducing oxygen directly through the membrane in a bubble-free way.

The MABR method features a multi-layered aerobic and anoxic bacterial biofilm that simultaneously nitrifies and denitrifies. This unique design supports high performance for municipal, industrial, and decentralized wastewater treatment — leading to a cleaner, more sustainable future.

How Does MABR Technology Work?

MABR technology works by using a gas-permeable membrane to supply oxygen directly to the biofilm. This process is divided into four phases:

• Oxygen transfer: Oxygen moves across the MABR membrane as dissolved molecules (without bubbles) directly to the microorganisms in the biofilm, providing extremely high oxygen-transfer efficiency.
• Biofilm formation: A layered biofilm grows on the membrane surface: the inner layer holds aerobic nitrifying bacteria and the outer layer anaerobic denitrifying bacteria.
• Simultaneous reactions: Nitrification and denitrification occur together, converting ammonia into nitrogen gas for efficient nitrogen removal.
• Effluent quality: Treated water exits the system with low contamination levels, ready for reuse or discharge.

This bubble-free oxygen delivery and counter-diffusion biofilm structure are what set MABR apart from traditional methods, providing a more energy-efficient and effective solution.

Key Features of MABR Systems

• Bubble-free oxygen transfer: Maximizes oxygen utilization by delivering oxygen directly to the biofilm.
• Energy efficiency: Significantly reduces the energy used via aeration in comparison to bubble aeration systems.
• Compact design: Requires minimal space, perfect for decentralized and urban locations.
• Simultaneous nitrification & denitrification: High nitrogen removal in a single stage.
• Scalability: Adapts to changes in wastewater volume and treatment level.

One of the most important advantages is aeration efficiency, and the MABR is significantly ahead of traditional diffusers:

Diffuser Type	Standard Aeration Efficiency
Coarse bubble	0.5 – 1.0
Fine bubble	3.0 – 4.0
Surface aerator	1.0
Jet aerator	1.0
MABR	12.0 – 14.0

The combination of these features makes the MABR system an attractive, sustainable wastewater-treatment solution for many municipalities and industries, and that’s why many people select Oxymo Technology as their membrane aerated biofilm reactor manufacturer & supplier.

Advantages of MABR Technology

• High treatment efficiency: Aerobic and anoxic biofilms provide excellent removal of organic matter and nitrogen compounds.
• Lower energy costs: Bubble-free oxygen transfer brings considerable energy savings, which makes operation economical.
• Low maintenance: The simple, compact design reduces operational complexity and upkeep.
• Space-efficient: Efficient reactors fit into small spaces and sparsely populated areas.
• Improved effluent quality: Produces treated water that meets discharge or reuse standards.
• Environmental sustainability: Reduce energy use and improve efficiency to meet environmental goals.

How MABR Compares to Conventional Systems

Feature	MABR	Conventional Systems
Oxygen transfer efficiency	High (bubble-free)	Moderate (bubble-based)
Energy consumption	Low	High
Footprint	Compact	Large
Maintenance	Low	Moderate to high
Treatment performance	High (simultaneous reactions)	Moderate

The gap between these differences illustrates how MABR Technology can transform wastewater treatment by solving common wastewater challenges found in traditional treatment systems.

Applications of MABR Systems

Municipal Wastewater Treatment

In urban and suburban areas, MABR systems are used for domestic sewage treatment. Their compact size and high performance make them ideal for building new plants or upgrading existing ones.

Industrial Wastewater Treatment

MABR is suitable for industries that produce high-strength wastewater and delivers a high efficiency over different concentrations.

Decentralized Wastewater Treatment

MABR can be used as a decentralized, low-maintenance, low-cost option for remote communities, resorts and construction sites without access to centralized systems.

Reuse & Water Recycling

With increasing water scarcity, MABR systems deliver treated water that can be utilized for irrigation and industrial purposes as well as other non-potable uses.

Technical Specifications (OX-MABR)

Representative parameters of the Oxymo Technology OX-MABR membrane:

Item	Unit	OX-MABR
Material	–	Polymer
Pore size	–	Dense and non-porous
Fiber breaking intensity	N	greater than or equal to 150
Burst pressure	kPa	greater than or equal to 500
Oxygen transfer rate (OTR)	g O₂/m².d	6 – 20
COD removal	g COD/m².d	5 – 25
Ammonia removal	g/N/m².d	1 – 3
Processing pressure	kPa	5 – 100
Processing temperature	deg C	-40 to 120
Application	–	Anammox, Anoxic, Aerobic

The membrane features a poreless structure for bubble-free molecular oxygen transfer, energy-saving simultaneous nitrification-denitrification (SND), biocompatibility, and no membrane clogging.

MABR Module Specifications

Model	Membrane Area	Length (mm)	Width (mm)	Thickness (mm)	Port
MABR-10	10 m²	2000	535	45	32
MABR-15	15 m²	2000	535	45	32
MABR-20	20 m²	2000	630	50	25
MABR-25	25 m²	2000	630	50	25
MABR-30	30 m²	2300	630	50	25

MABR Cassette Specifications

Model	Membrane Area	Length (mm)	Width (mm)	Height (mm)
MABR-480	480 m²	2020	1450	2250
MABR-1000	1000 m²	2100	1450	2250
MABR-1920	1920 m²	2300	1450	2550

Configurations include MABR Pure Biofilm and MABR IFAS (Integrated Fixed-Film Activated Sludge). Oxymo Technology is a China-based factory that can provide standard-size modules and cassettes or fully customize sizes according to client requirements. It is also suitable for bulk order supply to large plants.

Environmental Impact of MABR Technology

• Lower carbon footprint: Lower energy usage reduces greenhouse gas emissions.
• Efficient resource use: Bubble-free oxygen delivery optimizes resources.
• Better water quality: Treated effluent benefits ecosystems and helps to reuse water.
• Space efficiency: Compact designs minimize land use.

Challenges and Considerations

• Initial costs: MABR systems can have a higher upfront cost than conventional systems; this is offset by energy and footprint savings over time.
• Operational expertise: Proper training optimizes performance, and Oxymo Technology offers technical support.
• Scaling for large volumes: Very large flows may require staged, cassette-based designs, which Oxymo Technology provides.

Manufacturing, Quality Control & Certifications

As a vertically integrated manufacturing company, Oxymo Technology designs and manufactures its MABR membranes and systems in-house in Foshan, China. The company holds an MABR invention patent and cooperates with research institutions. Our CE-marked filtration membranes are produced under ISO 9001- and ISO 14001-certified manufacturing standards, ensuring verified quality control and batch-to-batch consistency for municipal, industrial and OEM applications.

OEM, Wholesale & Bulk Supply

Oxymo Technology offers OEM/ODM services for its MABR membranes and systems, including the following: custom module sizes, private-label branding, and configurations for various projects. We are a wholesaler and direct factory, providing competitive wholesale prices and bulk order supply for large plants and multi-site programs. 

Our tier-based wholesale pricing scales with your order size, helping system integrators and distributors launch wastewater treatment lines powered by patented MABR technology — delivering predictable factory pricing on everything from single units to bulk order supply.

Value for Distributors, OEMs & EPC Contractors

A direct purchase from a specialist MABR-module manufacturer offers clear commercial benefits to a distributor, OEM, or EPC contractor. You get factory-direct quality with the margin room that comes from true factory-price sourcing, plus a patented, certified platform on which you can put your own brand. Oxymo Technology is a true manufacturing company where partners work directly with the engineers who design and test the MABR membrane rather than dealing with a trading intermediary.

MABR is an attractive upgrade product, as the bubble-free aeration and compact cassettes provide a drop-in solution for distributors seeking to expand capacity and nitrogen removal in existing tanks with minimal civil work. This, combined with quality control and volume pricing, makes Oxymo Technology an excellent long-term water-treatment partner for those looking to develop an energy-efficient product line.

Global Supply & Distribution

Oxymo Technology is a worldwide supplier and a skilled exporter, having executed water-treatment projects in over 40 countries. Our global distribution and project-support network includes system design, installation support, commissioning, and maintenance, which means that if you purchase an MABR system from our China factory, you have access to service in the destination market.

This global distribution reach, combined with direct factory-price sourcing, makes Oxymo Technology a dependable global supplier and long-term partner for MABR distributors and OEM programs worldwide.

Frequently Asked Questions

What is a membrane-aerated biofilm reactor (MABR)?

It is a wastewater-treatment technology consisting of a gas-permeable membrane and a fixed biofilm. Oxygen is transferred bubble-free directly into the biofilm, where it is used for simultaneous nitrification and denitrification with very high oxygen transfer efficiency and low energy consumption.

How much energy does MABR save?

MABR can dramatically lower aeration energy — by up to 90% compared with conventional aeration — and delivers a higher aeration efficiency of 12–14 versus 3–4 for fine-bubble diffusers, according to the Oxymo Technology platform.

Does MABR remove nitrogen well?

Yes — production follows ISO9001 and ISO14001, membranes meet CE requirements, and MABR is one of Oxymotec’s invention-patent areas.

Where is MABR used?

Municipal sewage, high-strength industrial wastewater, decentralized sites (resorts, remote communities, and construction), and water reuse/recycling. It is also used to upgrade existing plants.

Is Oxymo Technology certified, and does it hold MABR patents?

Yes — production follows ISO9001 and ISO14001, membranes meet CE requirements, and MABR is one of Oxymotec’s invention-patent areas.

Do you offer OEM, customization, and bulk supply?

Yes, we offer custom module/cassette sizing, private-label branding, and bulk order supply at wholesale pricing for large or multi-site projects as an OEM manufacturer and wholesaler.

Request a Quote

Searching for a reliable membrane aerated biofilm reactor manufacturer & Supplier? Oxymo Technology is a China-based factory with a track record of 15+ years of export experience, providing competitive factory-price sourcing, customized OEM modules and cassettes, and bulk order supply for MABR systems. Share your flow rate, wastewater type, and bulk requirement, and we’ll provide you with configuration recommendations and wholesale prices.