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 …

production of syngas suitable for methanol, hydrogen, or ammonia synthesis. The environmental and economic consequences are …

In this paper, energy and exergy analyses of the geothermal-based hydrogen production via thermochemical water …

) of a dual-fuel diesel engine (H2 (hydrogen)–diesel) using exergy analysis. The maximum available work increased with H2 …

syngas. A preliminary evaluation indicates favorable economics for the co-production of CaO and hydrogen or methanol from …

local renewable energy resources, electrolytic hydrogen production, and conversion of all private vehicles to fuel …

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 …

) and a mixture of natural gas and hydrogen, respectively. The mixtures of CNG and hydrogen were named HCNG. …

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 …