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Summary
The project has been in development by the municipal district heating network company MPEC since 2012 as a public-private-partnership (PPP). The need for a new heat source in the city arose from the fact that the second largest heat source provided by the Michelin company ceased operation. So, Dobra Energia, a consortium of the French infrastructure investor Meridiam and the Spanish waste management company Urbaser, was awarded with the contract based on a concession model in 2019.
The plant will process 110,000 tonnes of refuse derived fuel per year in one line with an average calorific value of 12.5 MJ/kg. The thermal capacity of the incineration line is 48 MWth. The live steam, with a pressure of 65 bar and a temperature of 420°C, will be converted in a turbine/generator set into approximately 11 MWe of electricity and up to 31 MWth of heat, which will be supplied to MPEC's district heating network. Doosan Lentjes has supplied its proven water-cooled reciprocating grate system to ensure homogeneous incineration of the waste and to recover the energy contained in the waste. The plant also includes two gas/oil-fired peak load boilers for up to 70 MWth of district heating. The peak load boilers are already operational and supplying heat to the network.
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