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A Systematisation of Methods for Heat Integration of Solar Thermal Energy in Production Processes: A Review

Review paper

Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 8, Issue 2, June 2020, pp 410-437
DOI: https://doi.org/10.13044/j.sdewes.d7.0310
Aleksandar Anastasovski1 , Predrag Rašković2, Zvonimir Guzović3, Almir Sedic4
1 Faculty of Engineering, International Balkan University, Samoilova 10, Skopje, North Macedonia
2 Faculty of Technology, University of Nis, Bulevar Oslobodjenja 124, Leskovac, Serbia
3 Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Ivana Lučića 5, Zagreb, Croatia
4 INA – Industrija Nafte, d.d., Avenija Većeslava Holjevca 10, Zagreb, Croatia


The widespread use of fossil fuels and their limitation leads to find other sources of energy. Solar thermal energy is a possible solution. There are many projects that use renewable energy. Solar thermal energy can be easily used for heating. However, there are problems in the efficiency of solar collectors, the loss of heat, the consistency of heat supply, temperature and weather conditions, the biggest problem being the heat storage. In this paper is provided an overview of the methodologies for thermal integration of solar heating systems implemented in various projects and research. Solar heating systems have different designs and can generate heat in different temperature ranges. The main emphasis in this comprehensive overview is the systematisation of the various methodologies used in the integration of solar heat in production. In principle, solar heating systems are directly connected to the production systems. Furthermore, a few methodologies like Pinch technology, mathematical modelling and cogeneration
are included.

Keywords: Solar thermal energy, Solar heat integration, Pinch technology, Cogeneration, Optimisation, Production process.

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