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Hydrogen demand as an energy currency is anticipated to rise significantly in the future, with the emergence of a … hydrogen economy. Hydrogen production is a key component of a hydrogen economy. Several production processes are commercially … other hydrogen production processes. Recent advances in hydrogen production by thermochemical water decomposition are …
Persistent link: https://www.econbiz.de/10010807569
production of syngas suitable for methanol, hydrogen, or ammonia synthesis. The environmental and economic consequences are …
Persistent link: https://www.econbiz.de/10010807704
In this paper, energy and exergy analyses of the geothermal-based hydrogen production via thermochemical water …
Persistent link: https://www.econbiz.de/10010807811
) of a dual-fuel diesel engine (H2 (hydrogen)–diesel) using exergy analysis. The maximum available work increased with H2 …
Persistent link: https://www.econbiz.de/10010808407
syngas. A preliminary evaluation indicates favorable economics for the co-production of CaO and hydrogen or methanol from …
Persistent link: https://www.econbiz.de/10010808936
Possibly one of the most significant advantages that hydrogen may have as a fuel is its potential for increased second … hydrocarbon-based fuels. A computational investigation of this effect is pursued for the case of mixtures of hydrogen and natural … function of hydrogen content of the fuel and the operating parameters of the engine. Of particular importance is the …
Persistent link: https://www.econbiz.de/10010810171
Coal gasification is seen as an attractive way for hydrogen production. The main advantage of this approach is the low …, pressure-swing adsorption process for hydrogen separation, combined cycle for power production and essential auxiliary … loss takes place in the gasifier. The overall exergy efficiency of the coal-to-hydrogen system is equal to ca. 57%, while …
Persistent link: https://www.econbiz.de/10011052964
gas), methanol, Fischer–Tropsch fuels, hydrogen, as well as heat and electricity, from several biowastes generated in the … synthesis is preferred when exergetic efficiency is the objective parameter, but hydrogen process is more efficient when the …
Persistent link: https://www.econbiz.de/10011054406
An exergetic analysis has been performed on a gasification-based bio-hydrogen generation system consisting of an ASU … operating parameters on the hydrogen yield and cold gas efficiency. It is observed that, with 95% oxygen in the gasifying agent … and with gasifier equivalence ratio of 4.0, the process generates 107.8 g hydrogen per kg of dry biomass (on ash free …
Persistent link: https://www.econbiz.de/10011055731
approach. Under the optimized condition of 800 °C, P/B ratio: 0.3 w/w and S/F ratio: 1 w/w, the total syngas yield and hydrogen …
Persistent link: https://www.econbiz.de/10011055912