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

Under the microscope − micropollutants in wastewater

Anyone working in wastewater cannot have failed to have noticed the increasing attention being paid to micropollutants. These are substances capable, we are assured, of wreaking havoc on the environment with potentially significant risk to human health.

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A good polish − the case for MBRs

There is a debate over whether MBRs are worth the money, when a biotreatment plant with a micro/ultrafiltration polish would suffice. There are all sorts of factors at play here.

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The quality of MBR effluent (and life)

According to the great Tom Lehrer: 'Life is like a sewer: what you get out of it depends on what you put in'. In which case, of course, wastewater treatment reflects life. A big selling point of MBRs is the constant and high wastewater quality.

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