The exploitation of hydrogen sulfide for hydrogen production in geothermal areas

Ouali, Salima; Chader, Samira; Belhamel, M.; Benziada, Mebrouk

doi:10.1016/j.ijhydene.2010.07.121

Cited by 33 publications

(17 citation statements)

References 6 publications

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“…Ouali et al 110 have performed an investigation on hydrogen generation via hydrogen sulfide recovery plants in geothermal regions. Their approach ensured controlling the SOEC stack temperature and its local gradient temperature.…”

Section: Thermodynamic Analysismentioning

confidence: 99%

“…It has been expressed that the copper-chlorine cycle is the most thriving cycle for geothermal-based production of hydrogen. Ouali et al 110 have performed an investigation on hydrogen generation via hydrogen sulfide recovery plants in geothermal regions. The project purpose was designed to mark the different aspects of hydrogen generation form H2S plants and the utilization possibility of such a procedure in Algeria's geothermal sources.…”

Section: Thermodynamic Analysismentioning

confidence: 99%

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Geothermal energy use in hydrogen production: A review

et al. 2019

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Summary The major logics resulting in hydrogen production can be mentioned as fossil fuel depletion and climate change. In this way, hydrogen is produced with the help of numerous processes based on traditional and alternative energy resources like coal, natural gas, wind, solar, biomass, and geothermal energy. Over the past decade, the attention of research institutions and industry has been drawn to hydrogen, inspired by developments in renewable energies. Hydrogen production can be considered as an exceptional choice to make complete utilization of the renewable energy. Among diverse technologies, hydrogen production based on geothermal energy offers great promise. In this paper, initially a concise summary of present and advancing hydrogen production technologies is presented, and secondarily a comprehensive review of research associated with hydrogen production based on geothermal energy is provided. Thirdly, the process descriptions of geothermal‐assisted hydrogen production coupled with its technical, economic, and environmental aspects are addressed. Finally, comparative assessments of costs and environmental aspects related to hydrogen production based on different energy sources have been performed. In accordance with the results, the geothermal‐assisted hydrogen production cost based on electrolysis is competitively lower than other sources like wind, solar thermal coupled with natural gas, solar PV, and grid. Also, the same behavior can be seen for geothermal‐assisted hydrogen production cost based on thermochemical process.

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Section: Thermodynamic Analysismentioning

confidence: 99%

Section: Thermodynamic Analysismentioning

confidence: 99%

Geothermal energy use in hydrogen production: A review

et al. 2019

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“…There have been different ideas for hydrogen sulfide utilization. Efforts have been made to split hydrogen sulfide into hydrogen and sulfur and to recover the produced hydrogen as an energy source [3][4][5][6][7][8][9][10]. The setback was the higher amount of energy that would be needed to split hydrogen sulfide as compared to the energy yield resulting from the produced hydrogen.…”

Section: Introductionmentioning

confidence: 99%

Electricity Production from Marine Water by Sulfide-Driven Fuel Cell

Beschkov¹,

Razkazova-Velkova²,

Martinov³

et al. 2018

Applied Sciences

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While there is a universal trend to replace fossil fuels at least partially, renewable fuels seem to impose new solutions. Hydrogen sulfide, typical for closed water ponds such as the Black Sea, seems to offer one namely, a new sulfide-driven fuel cell providing for exchange of OH− anions across the membrane by use of hydrogen sulfide in natural marine water. When tested in batch and continuous operation modes, this solution showed that the initial sulfide concentration needed to achieve results of practical value was within 200 to 300 mg dm−3. The predominating final products of the energy production process were sulfite and sulfate ions. Very low overpotentials and mass transfer resistances were observed. The mass balance and the electrochemical parameters showed about 30% efficiency in sulfate ions as the final product. Efforts should be made to enhance sulfide to sulfate conversion. The observed current and power density were comparable and even better than some of the results so far reported for similar systems. Three types of ion exchange membranes were tested. Comparison of their ion conductivity to literature data shows good performance. At higher initial sulfide concentrations polysulfides and thio-compounds were formed with considerably low current yield.

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“…the development of new methods of controlled synthesis of ZnS nanoparticles for manufacturing the emitters, transistors, p-type conductors, catalysts, and chemical sensors [1,2]; the use of hydrogen sulfide natural sources with the purpose of hydrogen production [3,4]; the necessity of desulfurization of low-grade fuels [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

“…(3) Numerous studies have been carried out on the kinetics and mechanisms of the interaction between ZnO and hydrogen sulfide [22][23][24][25][26][27][28]. Mechanisms of zinc sulfidation consisting in surface adsorption of gaseous H 2 S on ZnO sorbent and dissociation of the H 2 S molecule on the sorbent surface, followed by reversible surface reactions, sulfide ion migration under the surface and penetration of sulfide into the solid crystallite were proposed in [25].…”

Section: Introductionmentioning

confidence: 99%