ReFood UK Limited is recovering more than 10MWh a day of energy and saving over £80,000 a year thanks to the use of heat recovery systems from Spirax Sarco at its new anaerobic digester (AD) facility at Doncaster.

The AD plant and associated combined heat and power (CHP) engines generate heat and 2.8MW of electrical energy from food waste. But the engines generate more hot water than needed, and that’s where the Spirax Sarco systems come in.

The three heat recovery packages take the excess hot water and use it to carry out three different heating roles within the plant, helping ReFood to save money and reduce emissions.

Robert Smith, PDM special project manager, says: “The Spirax Sarco units have been very effective for the recovery of valuable waste heat which would otherwise be lost to the atmosphere. They make a significant contribution to the PDM Group’s commitment to produce energy from renewable sources and reduce climate change.”

“ReFood is looking to install further units both at the plant in Doncaster and at their future AD facilities for further use in heat recovery.”

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