The facility was built adjacent to the existing civic amenity bring centre at the Waste Management facility. This facility is located on the grounds of Ballyduff Beg landfill. The facility was built to provide composting services for householders in Clare county. Feedstock is source separated organic material collected by the county collection service and drop off green waste at the civic amenity centre. Todate, the facility has been only processing green waste from the civic amenity facility.
Processing Equipment
Weighbridge (existing); telescopic loader with 3 cubic meter bucket (existing); 100hp farm tractor with auxiliary power (existing); tractor driven auger shredder/ mixer for feedstock preparation and loading of in-vessel containers; two no. 30 cubic meter mild steel composting digesters with epoxy coated internal walls (to be increased to 12), positive and negative aeration, 4 below grade aerated static pile curing pads with negative aeration to a biofilter to treat odours from both the digesters and aerated static pile curing system; 12mm trommel screen; and product storage area. The entire process is controlled by a remote access computer and PLC. The facility is designed for expansion to 10 digesters with a capacity of 6,000 tpa.
Composting Process and Residence Time
Feedstock is a mixture of household organics and drop off green waste. The feedstock is blended and mixed with screening overs or woodchip, then loaded into the in-vessel digesters for 2 weeks of initial composting. Each batch is 18 - 20metric tonnes. After the in-vessel period, the feedstock is re-heated for a second time and temperature regime in the aerated static pile curing sytem for 6-8 weeks. After the curing period, the product is screened for distribution.
Financial Summary
This facility was constructed for 520,000 Euro, excluding land costs.
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| Owner | Clare County Council |
| Contact | Dr. Andrew Walsh, Director |
| Address | Ballyduff Beg Waste Management Facility, Inagh, County Clare |
| Telephone | 00-353-21-462-1721 |
| Site Size | 1 acre |
| Annual Feedstock | Source separated household organics (landscape, food, paper, wood) |
| Annual Capacity | 2,000 (6,000 tpa design) |
| Site History | March, 2005 |
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