MBBR

A biological ETP MBBR refers to an Effluent Treatment Plant that applies the Moving Bed Biofilm Reactor (MBBR) process for biological treatment of wastewater. In this system, wastewater flows through aeration tanks that contain specially designed plastic carriers, which provide a large surface area for microorganisms to grow as biofilm. As air or oxygen is supplied, these microorganisms break down organic pollutants such as BOD and COD. The carriers remain in constant motion, ensuring efficient contact between the wastewater and the biofilm, while treated water is separated in a clarifier or further polishing unit. MBBR systems are compact, easy to operate, and can handle higher organic loads compared to conventional ASP. They also generate less sludge, require less operator control, and are more resistant to shock loads. For these reasons, MBBR-based biological ETPs are increasingly preferred in industries such as textiles, pharmaceuticals, food processing, and tanneries.