Chemically Recuperated Gas Turbines for Offshore Platform: Energy and Environmental Performance

Oleg Bazaluk, Valerii Havrysh, Oleksandr Cherednichenko and Vitalii Nitsenko
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Oleg Bazaluk: Belt and Road Initiative Institute for Chinese-European Studies, Guangdong University of Petrochemical Technology, Maoming 525000, China
Valerii Havrysh: Department of Tractors and Agricultural Machinery, Operating and Maintenance, Mykolayiv National Agrarian University, 54020 Mykolaiv, Ukraine
Oleksandr Cherednichenko: Mechanical Engineering Institute, Admiral Makarov National University of Shipbuilding, 54025 Mykolaiv, Ukraine
Vitalii Nitsenko: SCIRE Foundation, 00867 Warsaw, Poland

Sustainability, 2021, vol. 13, issue 22, 1-20

Abstract: Currently, offshore areas have become the hotspot of global gas and oil production. They have significant reserves and production potential. Offshore platforms are energy-intensive facilities. Most of them are equipped with gas turbine engines. Many technologies are used to improve their thermal efficiency. Thermochemical recuperation is investigated in this paper. Much previous research has been restricted to analyzing of the thermodynamic potential of the chemically recuperated gas turbine cycle. However, little work has discussed the operation issues of this cycle. The analysis of actual fuel gases for the steam reforming process taking into account the actual load of gas turbines, the impact of steam reforming on the Wobbe index, and the impact of a steam-fuel reforming process on the carbon dioxide emissions is the novelty of this study. The obtained simulation results showed that gas turbine engine efficiency improved by 8.1 to 9.35% at 100% load, and carbon dioxide emissions decreased by 10% compared to a conventional cycle. A decrease in load leads to a deterioration in the energy and environmental efficiency of chemically recuperated gas turbines.

Keywords: gas turbine; offshore; thermochemical; recuperation; carbon dioxide emission; conversion performance factor; Wobbe index (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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