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Sustainable thermal planning in heavy industry — from steelmaking to chemicals — faces mounting pressure to decarbonize. Processes like coke production in steel plants release vast amounts of heat into the environment, even though they are essential for blast furnaces. This “invisible energy” represents not just lost efficiency, but missed revenue opportunities and unnecessary…

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Explore how low-temperature waste heat enhances district energy using innovative heat pumps in Italy’s steel foundry systems. In Italy, a steel foundry’s cooling system became a source of local energy. Using a low-temperature network operated by a local energy supplier and smart integration with decentralized heat pumps, they captured waste heat at just 25 °C and reused…

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Waste heat is everywhere. Yet most of it still escapes unused. Through the LIFE4Heat Recovery project, we explored how this overlooked energy source can be transformed into a valuable asset — technically, economically, and environmentally. One of the most promising case studies came from Ospitaletto, Italy, where we analyzed the heat recovery from a…