BELFAST, Ireland - Irish Waste saved between £70,000 to £80,000 after operating a sludge degritting system provided by CDEnviro for 18 months.
The company took delivery of CDEnviro’s PRO:DEC system to remove oversized matter and grit from the sludge to allow it to go through a decanter for final treatment.
As part of the stabilisation process, Bio Lime was added to the dewatered sludge, causing the temperature to rise to 70⁰C.
The remaining product was used as an effective organic fertiliser or soil ameliorant. This was then spread on the land previously used to accommodate the lagoons, to remediate the land and make it suitable for local wildlife.
As a result, Irish Waste now provides a complete sewage treatment service, receiving sewage sludge, screening any large contaminants and processing the sludge through centrifugation to produce a filter cake which can be applied as a fertiliser, returned to the client or disposed of.
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