decarbonized. Maximum availability of biomethane and hydrogen from power to gas is estimated at 100-150 billion cubic meters by … 2050 (or around 25-30% of gas demand in the late 2010s. Therefore, large scale hydrogen production from reforming methane …. Costs of biomethane and hydrogen options are several times higher than prices of natural gas in 2019-2020. Significant …

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 …

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 …

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 …

The membrane reactor is a novel technology for the production of hydrogen from natural gas. It promises economic small …-scale hydrogen production, e.g. at refuelling stations and has the potential of inexpensive CO2 separation. Four configurations of … to assess the trade-off between production scale and the construction of a hydrogen and a CO2 distribution infrastructure …