Key parameters influencing steam-reforming performance for hydrogen production

Fatemeh Boshagh, Ha-Jun Yoon and Chul-Jin Lee

Renewable and Sustainable Energy Reviews, 2025, vol. 218, issue C

Abstract: Hydrogen production via steam reforming (SR) is technically and economically feasible. To achieve higher feedstock conversion and H2 yield, this study reviews the key parameters affecting SR, including feedstock type, temperature, steam-to-carbon molar ratio, pressure, space velocity, catalyst type, and reactor type. Accordingly, optimal parameter values must be selected considering thermodynamic, kinetic, and economic conditions. In addition, the challenges and prospects of the SR process are explored. Significant limitations of the SR process include overdependence on fossil fuels, CO2 emissions, high energy requirements, catalyst deactivation, heat management, and infrastructure development. However, adopting renewable and sustainable feedstocks such as biogas, renewable energy sources like wind, solar, hydropower, tidal, and geothermal, smaller-scale SR, and carbon capture utilization, and storage technology can ensure that SR remains a viable H2 production method alongside the increasing adoption of greener alternatives.

Keywords: Steam reforming; Catalyst type; Feedstock type; Steam-to-carbon molar ratio; Space velocity (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.rser.2025.115777

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