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Showing 1 to 20 of 30 for “"Cu-Cl"”.
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Design, analysis and experimental investigation of Cu-Cl based integrated systems
… friendly manner by using the copper-chlorine (Cu-Cl) thermochemical water splitting cycle (TWSC) due to its minimal reliance on fossil fuels, relatively lower operating temperature requirement and better overall efficiency as compared to other TWSCs. The electrolysis step of the Cu-Cl cycle is …
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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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Conceptual development and analysis of multiple integrated hydrogen production plants with Cu-Cl cycle
… and thermochemical water decomposition cycle, based on the chemical couple Cu-Cl. The first system consists of coal gasifier, membrane shift reactor, hydrogen fueled combined cycle, cryogenic air separation unit, compression system and five-step Cu-Cl cycle. The second system consists of …
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Integrated heat pump options for heat upgrading in Cu-Cl cycle for hydrogen production
The Copper Chlorine (Cu-Cl) hydrogen production cycle is a promising green method to meet the future demand for hydrogen. The Cu-Cl cycle has a number of endothermic reactions that take place at high temperature level. One of the highest temperature demanding components in the Cu-Cl cycle is the …
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Design and evaluation of solar and geothermal energy systems integrated with Cu-Cl cycle
… 3 additionally consist of the copper chlorine (Cu-Cl) thermochemical hydrogen production cycle integrated with a concentrated solar power (CSP) and supercritical geothermal systems, respectively. Electricity, freshwater, hydrogen, and space heating are produced as useful outputs for the …
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Thermal management of the thermochemical Cu-Cl cycle linked with industrial processes for hydrogen production
… for hydrogen production via copper-chlorine (Cu-Cl) cycle. The first system consists of single- and multi-stage reheat Rankine cycles, a four-step thermochemical Cu-Cl cycle, and a hydrogen compression system. Systems 2 consists of a thermochemical four-step hydrogen production Cu-Cl cycle, a …
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Analysis of the thermal hydraulics of a multiphase oxygen production reactor in the Cu-Cl cycle
In the thermochemical water splitting process by Cu-Cl cycle, oxygen gas is produced by an endothermic thermolysis process in a three-phase reactor. In this thesis, the required heat for the thermolysis process is provided by adopting the idea of heating some of the stoichiometric oxygen gas by …
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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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A study of a novel design for efficient hydrolysis reactor for the Cu-Cl thermochemical hydrogen production cycle
… to optimize the Hydrolysis reactor for the Cu-Cl thermochemical Hydrogen production cycle were investigated. A simplified Hydrolysis reactor using simple off-the-shelf components was tested and found to suffer from corrosion due to the materials selected for the atomizing nozzle. Because of …
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Monte-Carlo-simulation-based performance analysis of the heat transfer process in nuclear-based hydrogen production based on Cu-Cl Cycle.
As a crucial step in nuclear-based hydrogen production based on Cu-Cl cycle, the performance analysis of heat transfer process is of paramount importance. However, as a newly built system, the major obstacle of applying standard performance analysis to the heat transfer process is the sparse data. …
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Investigation of copper deposition on steel in molten copper chloride
… considered as the most prominent candidate for clean energy generation. The Copper Chloride (Cu-Cl) cycle has been chosen as an effective cycle for production of hydrogen due to its comparatively lower operating temperatures and cost. While most materials subjected to the molten Cu-Cl …
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Multi-state system in a fault tree analsis of a nuclear based thermochemical hydrogen plant
Nuclear-based hydrogen generation is a promising way to supply hydrogen for this large market in the future. This thesis focuses on one of the most promising methods, a thermochemical Cu-Cl cycle, which is currently under development by UOIT, Atomic Energy of Canada Limited (AECL) and the Argonne …
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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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Multiphase flow and chemical reactor thermodynamics for hydrolysis and thermochemical production
Current techniques of hydrogen production (primarily reformation of fossil fuels) are unsustainable, releasing CO2 into the atmosphere, as well as consuming limited reserves of fossil fuels. The copper-chlorine cycle is a promising thermochemical process which can cost-effectively produce hydrogen …
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Development of a PSA-based safety assessment and management framework for nuclear-based hydrogen generation system.
The nuclear-based Cooper-Chloride (Cu-Cl) thermochemical cycle a promising method for future large-scale hydrogen generation. The nuclear-based hydrogen generation leads to new challenge for system safety due to the complexity of the co-generation system. In this research, a PSA-based framework for …
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Mass transfer and particle dissolution in liquid-gas and solid-liquid flows: Application to hydrogen production processes.
… and use of energy. Some of the concerns include, but are not limited to, acid rain, ozone depletion and climate change. Therefore, “greener” alternatives for energy production are sought. The hydrogen economy is one potential avenue to a clean energy system, and a promising option for …
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Heat and fluid flow analysis in a molten CuCl heat exchanger
The Cu-Cl thermochemical cycle is a promising method to generate hydrogen as a clean fuel for human use in the future. The cycle can be coupled to nuclear reactors to supply its heat requirements. The cycle generates hydrogen by splitting water molecules through a series of chemical reactions. …
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Investigation of three integrated energy systems with desalination, heat storage, thermochemical cycles and heat upgrade
… and desalination options where copper-chlorine (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 …
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Study of the effect of molten CuCl immersion test on alloys with high Ni-content with and without surface coatings
The demand for hydrogen as a clean energy carrier has increased greatly. The Cu-Cl cycle is a promising thermochemical cycle that is currently being developed to be the large-scale method of hydrogen production. The lifetime of materials for the pipes transporting molten CuCl is an important …
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Optimisation and fabrication of ultra violet emitting CuC1 thin films by RF sputtering
Wide direct band gap CuCl is a promlslng candidate for the next generation Si based optoelectronics, thanks to its excellent properties such as high excltonic binding energy (190 meV) and a close lattice matching with Si. In this thesis, growth of CuCl using RF magnetron sputtering is investigated …
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