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Showing 1 to 14 of 14 for “"thermochemical cycles"”.
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Investigation of new KOH and NaOH thermochemical cycles for hydrogen production and carbon capturing
… investigates four new versions of NaOH and KOH thermochemical cycles to combine hydrogen production and carbon dioxide removal in an integrated and synergistic manner. The sodium hydroxide and potassium hydroxide thermochemical cycles are considered as the base cycles to produce hydrogen by …
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Investigation of three integrated energy systems with desalination, heat storage, thermochemical cycles and heat upgrade
… (Cu-Cl) and magnesium-chlorine (Mg-Cl) thermochemical water-splitting cycles for hydrogen production are used. System 1 integrates the wind, solar and geothermal energies with high temperature electrolysis, methanol synthesis and multi-effect desalination. Systems 2 and 3 have two …
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Copper Chloride Electrolyzer For the Production of Hydrogen Via the Copper-Chlorine Thermochemical Cycle
… produced using some other hydrogen rich source. Thermochemical water decomposition is a promising alternative to steam-methane reforming and electrolytic water splitting for a sustainable method of large-scale hydrogen production. The Copper-Chlorine thermochemical cycle is one of prime …
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System for evaluating effects of immersion in molten copper chloride salts on corrosion resistant coatings
… carrier. The Cu-Cl cycle is one of the capable thermochemical cycles which is supposed to develop hydrogen production. Since this cycle has some high temperature stages, a study on these parts is essential to realize the entirety of the cycle. This research is about designing a system to …
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Heat transfer coefficients of particulate in tubular heat exchangers
… heat source for various thermal power and thermochemical cycles. Furthermore, one of the advantages of this concept is the ability to store thermal energy in the solid particles at relatively low cost. However, an important feature of any Particle Heat Receiver (PHR) system is the PFHX, …
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Modified Nafion membranes for hydrogen production in Cu-Cl thermochemical cycle
The decomposition of water by a thermochemical cycle is a promising green method of producing hydrogen on a large scale. A thermochemical cycle is a combination of thermal and chemical reactions that ultimately leads to splitting water into hydrogen and oxygen. The Cu-Cl cycle, which is one of the …
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Development and analysis of a high temperature electrolyser for the Cu-Cl cycle for hydrogen production
A number of thermochemical cycles have been investigated to produce hydrogen from water. However, most of these cycles operate at over 800°C. The relatively lower temperature (550°C) requirement and use of inexpensive chemicals make the copper-chlorine (Cu-Cl) thermochemical cycle a promising …
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Mass transfer and particle dissolution in liquid-gas and solid-liquid flows: Application to hydrogen production processes.
… promising option for hydrogen production is the thermochemical Cu-Cl cycle for water decomposition. When hydrogen or oxygen is produced from water splitting by electrolysis, thermochemical cycles or solar-based photocatalytic methods in water, bubble flow and vapour transfer into the gas phase …
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Development and application of a framework for technology and model selection under uncertainty
… The first involves competing hydrogen producing thermochemical cycles. It was found that the best use of resources was to further investigate the separations involved, rather than the reactions. The second involved two versions of a refinery process. The overall uncertainty was driven by …
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Optimized clean hydrogen production using nuclear small modular reactor and concentrated solar power as a renewable energy source
According to current predictions, hydrogen will serve as a key fuel and energy source by decreasing greenhouse gas (GHG) emissions. In this research an integral Pressurized Water Reactor-type Small Modular Reactor (iPWR-type SMR), connected to a molten-salt based Concentrated Solar Power (CSP) …
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System integration and optimization of copper-chlorine thermochemical cycle with various options for hydrogen production
The Copper-Chlorine (Cu-Cl) thermochemical water splitting cycle is one of the most attractive alternative thermochemical cycles for clean hydrogen production due to its lower temperature requirement and better overall efficiency. CuCl electrolysis is considered a key process in the Cu-Cl cycle of …
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Study on linking a SuperCritical water-cooled nuclear reactor to a hydrogen production facility
… Nuclear Power Plant (NPP) suitable to support thermochemical-based hydrogen production via co-generation. The Copper-Chlorine (Cu‒Cl) cycle is a prospective thermochemical cycle with a maximum temperature requirement of ~530°C and could be linked to an SCW NPP through a piping network. An …
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Technical and economic assessment of renewable hydrogen production and utilization for the transportation sector
… gasification, microbial fermentation, and water thermochemical cycles. The produced renewable hydrogen can then be utilized in the transportation sector via hydrogen fuel cell vehicles or after conversion to other renewable fuel vectors (including but not limited to ammonia (NH3), methane (CH4), …