The 22^nd Conference on Process Integration, Modelling, and Optimisation for Energy Saving and Pollution Reduction, PRES’19, took place near the city of Agios Nikolaos on the island of Crete in Greece from Sunday, October 20^th to Wednesday, October 23^rd 2019. PRES’19 was jointly organised by the School of Mechanical Engineering of Aristotle University of Thessaloniki, the Chemical Process and Energy Resources Institute (CPERI) of the Centre for Research and Technology Hellas and the Sustainable Process Integration Laboratory (SPIL) of the Faculty of Mechanical Engineering at the Brno University of Technology.

The PRES Conference series is held annually with its latest edition being held in Prague, Czech Republic, in August 2018. The Conference aimed to highlight the most recent developments in the area of process integration, modelling, optimization, operations and control for energy savings and pollution reduction. Holistic system approaches and applications in the fields of process improvements for cleaner production, renewable energy, systems and product synthesis, equipment design, supply chain management, biomass utilisation, waste and wastewater management among others are sought for presentation. The participation over the last years included researchers from academia, research organisations, and process industry, as well as industrial practitioners and ranges between 300-400 participants.

The PRES’19 Conference format  included plenary lectures from distinguished scientists and researchers outlining key developments in major research topics, keynote lectures on specific relevant areas, oral presentations of noval research results, and poster presentations of applied results in a highly interactive environemnt. Extended abstracts of the presentation were published in a dedicated open-access volume of Chemical Engineering Transactions (published by Associazione Italiana di Ingegnieria Chimica) indexed by Scopus® and Web of Science®.

Two partners of the SOCRATCES project (POLITO and  CERTH) have attended the 22nd Conference on Process Integration to present 2 papers and a poster.

POLITO presented two research works related with the SOCRATCES project in two different parallel sessions in parallel sessions on energy storage. The first paper, presented by Vittorio Verda, concerns the indirect integration of power cycles in thermochemical energy storage (supercritical CO2, ORC and steam Rankine cycles). The second paper, presented by Elisa Guelpa, is related with the best design and operations for power cycles directly integrated with thermochemical energy storage in concentrated solar plants.

Eugenios Karasavvas from CERTH presented a poster on "Study of a Drop-Tube Carbonator Reactor for CSC-Calcium Looping Based on a Heterogeneous Reaction model" in the conference. He also received the Merit Award for the best poster competition.