RETROFEED main objective is to enable the use of an increasingly variable, bio-based and circular feedstock in process industries through the retrofitting of core equipment and the implementation of an advanced monitoring and control system, and providing support to the plant operators by means of a DSS covering the production chain. This approach will be demonstrated in five REII (namely ceramic, cement, aluminium, steel, and agrochemical) with the potential to reach in average an increase of 22% in resource efficiency and 19% in energy efficiency, with a consequent reduction in costs and GHG emissions of 9.3 M€ and 135 ktonCO2 respectively.

Physical retrofitting actions will be mainly directed towards the core equipment of key processes in the demo-sites, although further retrofitting actions in auxiliary equipment such as those for raw materials handling and feeding are also foreseen, and new plug-ins will be integrated within some of these processes, i.e. a H₂SO₄ reactor. Digital retrofitting actions aim at improving the monitoring and control (M&C) systems by implemented new and/or novel sensors and integrating the increased amount of data and the new equipment in the control loops of the process.

• CIRCE is the Coordinator of RETROFEED, being responsible for all management activities and participating in the creation of the dissemination materials and in the dissemination activities related to the project.
• CIRCE will lead work packages related with the demo-sites characterization, demonstration monitoring and results validation.
• Moreover, CIRCE will also lead tasks linked to development of frits production process digital twin in the ceramic sector, development of both the rotatory furnace digital twin and the flame visualisation monitoring tools in the cement sector, and, finally, the development of a digital twin to support reactor integration and operation in the agrochemical sector.