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Sustainable production of green hydrogen, electricity, and desalinated water via a Hybrid Solar Chimney Power Plant (HSCPP) water-splitting process

Abdelsalam, Emad, et al. "Sustainable production of green hydrogen, electricity, and desalinated water via a Hybrid Solar Chimney Power Plant (HSCPP) water-splitting process." International Journal of Hydrogen Energy 52 (2024): 1356-1369.
DOI: 10.1016/j.ijhydene.2023.06.165

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Summary

A solar chimney plant with a bidirectional turbine, a seawater pool and sprinklers runs day and night, switching to cooling-tower mode without sunlight; its electricity feeds an electrolysis cell, while water condensing on the chimney walls is recovered as fresh water. Yearly output reaches about 633 MWh and 21,653 kg of hydrogen, with hydrogen-production efficiency above solar PV and geothermal Rankine systems.

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