Abstract

The membrane aerated reactor has proven suitable, in laboratory scale studies, for high-rate organic carbonaceous pollutant oxidation, volatile organic compound biodegradation, and as a single-stage bioreactor for simultaneous organic carbonaceous pollutant removal, nitrification and denitrification. In this work, a mathematical model of oxygen and methane transfer through a dense silicone membrane in such a reactor system is presented. Mass transfer coefficients are determined under a variety of different conditions and the impact of operating parameters, including oxygen and methane partial pressure, and various gas–liquid concentrations, on oxygen transfer is investigated.

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