environmental impact statement kilmainhamwood compost facility ...

5361- Kilmainhamwood Compost Facility Extension- EIS
Odour Emission Rates from Proposed Kilmainhamwood Composting Facility Operations for
Atmospheric Dispersion Modelling Scenario 2
Table 9.7 illustrates the overall odour emission rate from the proposed Kilmainhamwood Composting
Facility design.
As can be observed in Table 9.7, the overall odour emission rate from the proposed Kilmainhamwood
Composting Facility design is predicted to be at or less than 17,776 OuE/s. This odour emission rate is
based on guaranteed odour performance emissions from the upgraded facility odour treatment system.
The upgraded odour treatment system will involve the separate capture of odours from the headspace
of the composting tunnels and treatment in an acid scrubber for the removal of ammonia. This air will
then be directed to the biofiltration system where improvements in air distribution will be implemented in
order to achieve the exhaust odour threshold concentration of less than 800 OuE/m 3 continuously. This
represents a 64% reduction from existing odour emission levels by way of significant improvements in
the treatment technology.
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