A clean hydrogen generation facility under an integrated medium-temperature geothermal facility: a Walrus optimization algorithm-based framework

Mehraj-ud-din Naik, Ali M Mohsen, Aman Sharma, Nimesh Raj, Rajeev Sharma, Nasser Zouli, M Ashraf Ali, Mohammad Alamgir Hossain and Farhana Riyaz

International Journal of Low-Carbon Technologies, 2025, vol. 20, 1509-1519

Abstract: This research presents a novel medium-temperature geothermal source-driven facility for clean hydrogen generation integrated with a proton exchange membrane water electrolyzer. The system, enhanced by a self-superheating process, efficiently superheats steam without external heat, improving hydrogen generation. Thermodynamic and economic analyses are conducted to assess system performance. Walrus multiobjective optimization is applied to find the best operating conditions, balancing exergy efficiency and costs. The optimized system shows improved energy efficiency and reduced costs while producing hydrogen sustainably. The results highlight the system’s potential for enhanced performance under varying conditions, offering a promising approach to renewable hydrogen production.

Keywords: geothermal-driven energy facility; clean hydrogen; PEM water electrolyzer; financial analysis; Walrus optimization algorithm (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:20:y:2025:i::p:1509-1519.

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