Moving Bed Biofilm Reactors for Wastewater Treatment: A Review of Basic Concepts

Safwat M. Safwat


Moving bed biofilm reactor (MBBR) is a continuous completely mixed biofilm reactor used for various treatment purposes in both municipal and industrial wastewater. The basic principle of MBBR technology is that the biomass grows on specially designed carrier elements that move freely throughout the reactor due to aeration, liquid recirculation, or mechanical mixing. This review summarizes the structure, function, and performance characteristics of the MBBR, as well as design considerations for biofilm carriers (MBBC). It also goes on its advantages and disadvantages.

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