THERMIE BM./00008/97 Generation of electricity by the LR-gasification of dried, undigested sewage sludge

Contacts




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Electricity : JOULE/THERMIE Programme : Solid Biofuels : Thermochemical Conversion

	Type of Project	Shared Cost
	Contract No	BM./00008/97
	Total Cost	15,545,100 ECU
	EC Contribution	1,500,000 ECU
	Start Date
	Duration

Generation of electricity by the LR-gasification of dried, undigested sewage sludge

Objectives

The aim is to construct a CHP 5 MW_e plant using 35,000 t/y sewage sludge as a fuel. The process is based on atmospheric pyrolytic gasification, at > 850 ºC followed by gas cleaning (including active carbon filter for Hg removal) and fuel gas combustion in a 4.5 MW_e gas turbine. The heat for sludge drying comes from flue gases of the turbine replacing natural gas in drying. The process is innovative in drying, gasification, gas cleaning, gas compression and gas turbine operation. Sludge solid content is 5 % before drying and 93 % after the process. The net efficiency is 20 %, nominal investment is 2680 ECU/kW_e.

State of Advancement

Ongoing

Contacts

Coordinator

• Northumbrian Water Ltd UNITED KINGDOM