The MBR Blog

Misc Simon Judd 2

Simon Judd

Professor Simon Judd has over 20 years’ experience in teaching the fundamentals of water and wastewater technologies and is author of The MBR Book, Watermaths, and Industrial MBRs. Contact Simon at

MBR global capacity

Of all the questions that crop up about MBR technology, perhaps the most frequent is, 'What is the global capacity of MBR treatment technology?' Of course, as with most questions of this nature, the honest answer is, 'I don’t know'.

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MBR cost determination

It's often the case that if you ask the price of anything at all relating to engineering, you'll get the answer 'It depends'. Trying to establish the cost of an MBR installation is no different: there are many different components of cost, and many ways of determining them.

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Which MBR?

The choice of MBR technologies is, it would appear, a series of dilemmas: anaerobic vs aerobic, immersed vs sidestream, ceramic vs polymeric, flat sheet vs hollow fibre (for immersed), pumped vs. air-lift (for sidestream). You could just flip a coin...

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The future for membrane bioreactor technologies

It's inevitable that anyone choosing to write a reference text book about MBRs is going to learn a lot. Perhaps the most obvious learning point, though, is the development of MBR membrane technologies themselves: the module and process configuration.

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