Friday, 25 March 2011

New AD plant planned for mid-Wales

Ten jobs will be created and 30 jobs safeguarded after full planning permission was granted to a Mid Wales company to build a huge Anaerobic Digester (AD).  Potter Waste Management has been given permission by Powys County Council to build at the Bryn Posteg landfill site in Llanidloes near Newtown.

The site currently houses the only landfill site in Mid Wales.  They already generate some electricity on-site by drilling boreholes into the landfill and capturing the methane in the landfill gas.  The site now has full planning permission to build an AD plant which is capable of dealing with up to 30,000 tonne per annum of organic matter.

Potter Group managing director James Potter said: "The digestion plant is a major step forward in the handling of waste for Powys. “It is the perfect, environmentally friendly solution to the county’s waste disposal issues and will also create much needed new employment for the Llanidloes area.  The biomass treated will come from Mid Wales.  At present this biomass is sent outside the region for treatment elsewhere."

The site will be able to accept household food waste, commercial catering wastes, farm wastes and slaughterhouse wastes for digestion.  The methane generated will be burned in a highly efficient combined heat and power plant to generate electricity which will be exported to the national grid, and heat, which will be used to pre-treat the incoming bio-waste.

The digested "sludge cake" a compost like output will be transported off-site and will be spread on local agricultural land as a soil conditioner.  The digestate liquor could also be used as a fertiliser on agricultural land.

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