Sewage sludge gasification, the Yorkshire Water ATC story: PRESENTATION ONLY
Taylor, T., Yorkshire Water, UK
(Free)
Electricity prices in 2007/08 extremely volatile
• Increase of 225%
• Further steep rises forecast
YW uses approx. 500GWh/y Sewage sludge intrinsic energy approx. 20MJ/kg AD releases only ~30% of available energy Advanced thermal treatment recovers more energy from sludge Research suggests that pyrolysis is the most efficient option