
MABRs explained
A membrane-aerated biofilm reactor (MABR), unlike the suspended-growth MBR, is a fixed-film aerobic biological process
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For an MABR, a membrane aeration biofilm reactor, the membrane is not used to filter the water. Instead, it is used to aerate the solution, replacing the conventional fine bubble diffuser.
The oxygen in the air, or from a pure oxygen source, is introduced in the molecular, or 'bubbleless' form, leading to highly efficient transfer of oxygen into the solution.
A membrane-aerated biofilm reactor (MABR), unlike the suspended-growth MBR, is a fixed-film aerobic biological process
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In MBRs the membrane separates the product water from the biomass, whereas in MABRs it enhances aeration of the mixed liquor
Academic research into MBRs has been dominated by studies of membrane fouling and foulant characterisation. Key topics, such as process failure risk, chemical cleaning impacts on membrane life, and pretreatment requirements, have been largely overlooked.
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