A multiperiod approach for waste heat and renewable energy integration of industrial sites

S. Möhren, J. Meyer, H. Krause and L. Saars

Renewable and Sustainable Energy Reviews, 2021, vol. 148, issue C

Abstract: In times of increasing global warming, enormous efforts are required to rapidly reduce greenhouse gas (GHG) emissions. Industry is one of the largest GHG emitting sectors and process heat supply is so far almost exclusively based on the combustion of fossil fuels. Due to the EU's target of climate neutrality by 2050, it is necessary to systematically increase energy efficiency and decarbonise the heat sector of industry. The methods of Heat Integration can be used to exploit existing potentials for waste heat utilisation and to integrate renewable technologies for heating and cooling. This paper gives an overview of recent developments in the field of Total Site and Multiperiod Heat Integration (MPHI) and presents a MPHI approach based on combining mathematical optimisation and Pinch Analysis. The approach can be used to minimise energy demand, costs and CO2 emissions and is demonstrated in two case studies. The results show that significant reductions of costs and CO2 emissions can be achieved, but further technological developments and research are necessary to reach climate neutrality until 2050.

Keywords: Waste heat utilisation; CO2-emissions; Heat exchanger network; Multiperiod heat integration (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (7)

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DOI: 10.1016/j.rser.2021.111232

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