The global membrane bioreactor (MBR) market size reached USD 4.3 Billion in 2024. Looking forward, IMARC Group expects the market to reach USD 8.9 Billion by 2033, exhibiting a growth rate (CAGR) of 8.4% during 2025-2033.
A membrane bioreactor (MBR) is primarily used for industrial and municipal wastewater treatment. It is an integration of a perm-selective or semi-permeable membrane process, such as microfiltration (MF) or ultrafiltration (UF), with a suspended growth bioreactor. Vacuum or gravity-driven and pressure-driven systems are the most commonly used types of MBR systems. They ensure that the floating matter is retained, and the sediments are separated from the sludge concentration. In comparison to the traditionally used methods, they have controlled biomass retention, improved effluent quality, minimal carbon footprint and are effective against pathogens, such as cryptosporidium and giardia.
The market is primarily being driven by the growing demand for water treatment solutions across the globe. This can be attributed to the declining freshwater resources and steadily increasing demand for chemical-free and safe drinking water from the residential sector. Furthermore, rising environmental concerns regarding efficient sanitation and wastewater disposal are also providing a boost to the market growth. There has been a significant increase in the production of wastewater across the residential, commercial and industrial complexes that is now treated through MBRs. Additionally, the development of submerged MBRs is acting as another growth-inducing factor. These systems are cost- and energy-efficient, compact, lightweight and can create aeration to generate tangential liquid flow around the membranes. Apart from this, the increasing utilization of environment-friendly water and wastewater management technologies across industries, including chemical, pharmaceutical, power, food and beverage, and textile, is also contributing to the market growth. Other factors, including rapid industrialization and the implementation of favorable government policies for upgrading the existing wastewater treatment plants with MBRs, are projected to drive the market further.
Key Market Segmentation:
IMARC Group provides an analysis of the key trends in each sub-segment of the global membrane bioreactor (MBR) market report, along with forecasts at the global, regional and country level from 2025-2033. Our report has categorized the market based on system configuration, membrane type and application.
Breakup by System Configuration:
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