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
Aqua Enviro Ltd
T: 0113 8730728
c/o Tidal Accounting, HQ Offices, Radley House, Richardshaw Road, Leeds, West Yorkshire, LS28 6LE