WRc plc

Odour Nuisance - Where We Are and Where to Next?

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Courtesy of WRc plc

Prior to 1990 there were very few examples of effective odour control schemes at sewage treatment works. Sources were often not properly identified, much less quantified and budgets did not allow the introduction of properly engineered solutions. Since then, in response to a seemingly endless increase in pressure from public, considerable progress has been made tackling the problem.

First came the realisation that the strongest odour at a particular works many not come from the most important source, it is the odour emission rate that is important. This is the equal to the odour concentrationmultiplied by the flow rate of air leaving the process.

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