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energy, and CO2 from power plants. The plant consists of a wind farm, a system of electrolyzers which produces oxygen and … hydrogen from water, a series of equipment used to purify and store the oxygen; and the purification of hydrogen using a … electricity produced; 2.9 kg of CO2 per kg of CH4 produced can be reused by this process. …
Persistent link: https://www.econbiz.de/10011054921
Bio-hydrogen is a promising sustainable energy to replace fossil fuels. This study investigated bio-H2 production from … Gibbs free energy of −34 kJ/mol. This study reveals that pretreated landfill leachate sludge has considerable potential for …
Persistent link: https://www.econbiz.de/10011054025
rooted in the thermodynamic constraints associated with producing fuels with high energy, low entropy, and high exergy from … dispersed materials. In this study, a preliminary thermodynamic analysis is presented that calculates the energy, entropy, and … throughout. Results for the energy and exergy efficiencies, and the first-order energy and exergy return on investment, of the …
Persistent link: https://www.econbiz.de/10010808664
.17, and energy and exergy cogeneration efficiency of 0.87, and 0.35, respectively. …
Persistent link: https://www.econbiz.de/10011053420
In this paper, energy and exergy analyses of the geothermal-based hydrogen production via thermochemical water … decomposition using a new, four-step copper–chlorine (Cu–Cl) cycle are conducted, and the respective cycle energy and exergy … performance are affected by reference environment temperatures, reaction temperatures, as well as energy efficiency of the …
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 … conventional base mode (without H2) to 31.7% with dual-fuel mode (18% H2 energy share) whereas total irreversibility of the engine … decreased drastically from 41.2% to 39.3%. The energy efficiency of the engine with H2 increased about 10% with 36% reduction in …
Persistent link: https://www.econbiz.de/10010808407
Energy from renewable source is expected to complement the energy derived from fossil fuel resources. Gasification is a … 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
recently been proposed as a sustainable transportation fuel and convenient one-way hydrogen carrier. Employing typical … meteorological data for Palmdale, CA, solar energy is considered here as an inexpensive and renewable energy alternative in the … operate at a net-efficiency ranging from 23 to 30% (lower heating value of NH3 relative to the total energy input). Net …
Persistent link: https://www.econbiz.de/10011053065
gas), methanol, Fischer–Tropsch fuels, hydrogen, as well as heat and electricity, from several biowastes generated in the … turbines are used to produce heat and electricity from unconverted gas and heat removal, respectively. The results show that … 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
The advent of distributed renewable energy supply sources and storage systems has placed a greater degree of focus on … the operations of the LV (low voltage) electricity distribution network. However, LV networks are characterised by having … for forecasting next day demand in an LV network into a comprehensive distributed energy resource management algorithm. …
Persistent link: https://www.econbiz.de/10010807756