Recuperators: Employ waste heat from exhaust gases to preheat incoming air or gases, improving upon combustion performance. Cementos Argos, amongst the biggest cement producers in Latin The united states, set up an ORC program to Recuperate waste heat from your clinker cooler exhaust in its plant located in Cartagena, Colombia. https://purethermal.co.uk/media-news/november-launch-waste-heat-recycling-design-support-service-from-pure-thermal-and-oilon/