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The MBR Blog

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Blog
10 October 2014

MBR cost determination

If you ask the price of anything at all relating to engineering, you'll often get the answer 'it depends'. Establishing the cost of an MBR installation is no different: there are many different cost components and many ways of determining them.

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Blog
28 August 2014

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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Blog
21 March 2014

Recalcitrant micropollutants and MBRs

Unless they’ve spent the last 10−15 years living in a cupboard, pretty much anyone working in municipal wastewater will at least be aware of the issue of micropollutants: trace quantities of anthropogenic materials which are onerous to the environment.

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Blog
25 January 2014

MBRs − towards zero energy and zero waste

A notion regarding wastewater is its potential to provide a useful resource, rather than being viewed as a waste. This is not completely far-fetched. Wastewaters high in readily biodegradable organic carbon can be anaerobically treated to provide methane.

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Blog
28 January 2013

Industrial resolution − challenging wastewaters

I once asked for feedback on the most challenging industrial effluent for treatment using an MBR. It was largely ignored. But treating large volumes of high-strength industrial effluent in a confined space is always going to be challenging and expensive.

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Blog
06 April 2012

Stringing us along − filamentous bacteria in MBRs

There can be few things more confounding in MBR operation and maintenance than the development of filamentous bacteria in the biotank. These are 'string-like' micro-organisms, with different species apparently prevailing under different conditions.

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