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Arrabawn Co-op – Kilconnell WwTP (IE)

Upgrade Works & Anaerobic Digestor

Hydro International completed the design and build upgrade works in Arrabawn Kilconnell.

The works included the accommodating Civil engineering works comprising of below-ground drainage, ducting, pumping stations, structural foundations, and apron slabs.

Hydro international fabricated and installed a Primary DAF including flocculation chambers to allow pH correction and the addition of coagulant and flocculant. Hydro international installed above ground transfer tanks and instrumentation to allow the integration of a low temperature anaerobic digester and developed the control philosophy and integration to the overall plant. This allowed the existing aeration tank to cater for the incoming flows by significantly reducing the loading. The sludge generated from the plant is dewatered via a Hydro Screw Press, complete with the Polymer Makeup System.

The complete works are controlled via the Hydro International MCC and PLC, the upgrade was completed with zero down time to the client while maintaining consent levels.

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