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Flue Gas Dispersion Modelling

In order to evaluate the effect of existing and new plant on local air quality, the dispersion of pollutant releases needs to be modelled.

NIFES’ techniques evaluate the dispersion of all pollutants, including the following:

  • Oxides of nitrogen (NOx expressed as NO2)
  • Sulphur dioxide
  • Suspended particulates
  • Carbon monoxide
  • Lead

These pollutants are covered by the current EC Air Quality Directives and the UK National Air Quality Strategy, and are also listed as prescribed pollutants in the guidance notes for many EPA authorised processes. NIFES utilise the ADMS modelling software developed by CERC, currently used by the Environment Agency. A feature of the ADMS modelling package allows averaging time to be varied to suite the site requirements, e.g. annual, daily, hourly and 15-minute means can all be calculated.

What NIFES Can Offer

Complex effects such as buildings and terrain are modelled and multiple pollutant releases from a number of sources are incorporated.

Modelling results are presented in the correct statistical format for each pollutant to demonstrate compliance with both the current mandatory limits imposed by the relevant EC Air Quality Directives and the limits imposed by the UK National Air Quality Strategy (UKNAQS).

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For an informal chat about how we can help and what we can offer your business, please get in touch today.

For more information, please contact:

Adrian Carter


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