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The MBR Blog

Simon Judd
Simon Judd

Simon Judd has over 30 years’ post-doctorate experience in all aspects of water and wastewater treatment technology, both in academic and industrial R&D. He has (co-)authored six book titles and over 200 peer-reviewed publications in water and wastewater treatment.

In his capacity as director of Judd Water & Wastewater Consultants, Simon is co-owner of The MBR, as well as of our sister website He was Professor in Membrane Technology at the Cranfield Water Science Institute at Cranfield University in the UK from 1992 to 2021. Simon was also a Research Chair at Qatar University in the Middle East for six years until September 2018.

Guest blog: Trumping regulations

Before the 1970s, regulation of water was mainly about rights, with some early examples of attempts to control excessive pollution. Between 1970 and 2000 there was a push to protect water sources from pollution due to the knock-on effect on water supply. Since 2000, the watchwords have been sustainability and climate change. But there is still some way to go. Graeme Pearce's guest blog.

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Defining MABRs, MBBRs and MBRs − terms and terminology

Ambiguous abbreviations are one thing − but the confusion caused by abbreviations which look pretty similar but refer to completely different things is yet another matter. This is the case with the MABR, MBBR and MBR technologies. Let’s face it, the acronyms do kind of suggest that they are related. But they are actually quite different.

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Membrane ageing – factors determining membrane replacement

It’s widely believed that membrane replacement represents the second largest contribution to the operating cost of an MBR or UF/MF filtration plant after energy demand. In reality, it’s probably the third largest in most cases, but there is little doubt, though, that membrane life is of keen interest to membrane technology practitioners

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