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 …

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 …

The production of hydrogen combined with carbon capture represents a possible option for reducing CO2 emissions in … atmosphere and anthropogenic greenhouse effect. Nowadays the worldwide hydrogen production is based mainly on natural gas … innovative system for hydrogen production and CO2 capture starting from these mixtures. The plant is based on steam methane …

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 …

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 …

Hydrogen production from the supercritical water reforming of glycerol was studied in a tubular reactor without adding … the highest glycerol feed concentration, in which the conversion was of 88%. Hydrogen yields from 2 to 4molH2/molglycerol … using supercritical water without added catalyst is feasible to achieve a high-yield hydrogen production, and it encourages …

CO (carbon monoxide) tolerance and simplified water management. The hydrogen and CO fractions affect the HT …-PEMFC performance and different fuel sources for hydrogen production result in different product gas compositions. Therefore, the aim of … gives the maximum fraction of hydrogen (≈0.79) when the WGS reactor is included. The most suitable fuel is the one with the …