Showing 1 - 10 of 10
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
In this paper, energy and exergy analyses of the geothermal-based hydrogen production via thermochemical water …
Persistent link: https://www.econbiz.de/10010807811
identifies the potential energetic benefits of integrated hydrogen production in electricity systems with high wind energy … penetration. This research concludes that the use of system losses for hydrogen production via electrolysis is beneficial in … hydrogen production in terms of systems efficiency. An ancillary beneficial effect of coupling hydrogen production with wind …
Persistent link: https://www.econbiz.de/10010808344
) 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
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
Hydrogen is produced via steam methane reforming (SMR) for bitumen upgrading which results in significant greenhouse … gas (GHG) emissions. Wind energy based hydrogen can reduce the GHG footprint of the bitumen upgrading industry. This paper … is aimed at developing a detailed data-intensive techno-economic model for assessment of hydrogen production from wind …
Persistent link: https://www.econbiz.de/10011053324
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
Ireland with its resource of wind has the potential to use this natural resource and sustain the country’s power needs for the future. However, one of the biggest drawbacks to renewable energy generation, particularly wind-generated electricity is that it is an intermittent and a variable...
Persistent link: https://www.econbiz.de/10011055009
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