Comparative economic and life cycle assessment of solar-based hydrogen production for oil and gas industries

Shayan Sadeghi, Samane Ghandehariun and Marc A. Rosen

Energy, 2020, vol. 208, issue C

Abstract: Hydrogen is used in the petroleum industry to upgrade crude oil in refineries or as a chemical agent to produce ammonia, methanol and other products. It is mainly supplied by conventional production methods based on fossil fuels. Solar-based hydrogen production is a potentially advantageous option to the problems of climate change and depletion of conventional fuel supplies. Four hydrogen production pathways including steam methane reforming, coal gasification, photovoltaic and solar thermal electrolysis are considered in this study. This paper investigates solar hydrogen potential in terms of cost and emissions as a replacement for conventional methods to provide the hydrogen required in oil and gas industries. GHG abatement costs are evaluated to compare the proposed methods with a reference method. As steam methane reforming is the most common method used in the petroleum industry, it is considered as the reference method in this study. Our results show that the GHG abatement costs are $0.786/kg CO2 and $1.37/kg CO2 for PV and solar thermal electrolysis, respectively. An uncertainty analysis is also conducted to assess the effects of variations of different parameters on the results.

Keywords: Solar energy; Hydrogen production; Economic assessment; Life cycle assessment; GHG abatement cost (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (22)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:208:y:2020:i:c:s0360544220314547

DOI: 10.1016/j.energy.2020.118347

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