thermochemical energy Articles
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Thermodynamic analyses of closed thermochemical energy storages
Thermal Energy Storage (TES) is an important technology for achieving more efficient and environmentally acceptable energy systems. Where space is limited, thermochemical TES has the highest potential to achieve compact thermal energy storage. Here, a general closed thermochemical TES is investigated using energy and exergy analyses. An illustrative example is presented, and the energy and exergy ...
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Long-term global vision of nuclear-produced hydrogen
Nuclear energy is the number one candidate to provide the backbone of primary energy procurement for humanity in the present century and beyond. Uranium fuel is abundant, and could become unlimited in the scheme proposed here, making nuclear energy sort of renewable. However, the only vector of nuclear energy now is electricity, which may finally consume half the primary energy input. The market ...
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A review of thermochemical cycles for hydrogen production: analysis of potential of membrane technology in I–S, UT–3 and CuCl cycles
Global warming and climate change necessitate a serious move away from fossil–based systems toward hydrogen economy. A study has been carried out on different thermochemical cycles for hydrogen production to bring about their important aspects. The study involves process description of different routes followed by thermochemical cycles. These include metal oxide processes, sulphur family ...
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The preparation characteristics of hydrogen permselective membranes for higher performance in nuclear hydrogen production
The thermochemical water-splitting method has been proposed as a clean method for hydrogen production. The IS (iodine–sulphur) process is one of the thermochemical water-splitting processes. The silica membrane to apply in membrane reactor for the HI decomposition reaction improvement of the IS process was prepared by sol-gel and thermal CVD (chemical vapour deposition) methods. In the prepared ...
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How You Can Use A Biomass Pyrolysis Plant For Profit
Just what is a biomass pyrolysis plant? Biomass is definitely the term for trees, straw, and lignocellulose, along with other waste materials which are not burned, like the waste through the farming industry and livestock manure. These waste matters are renewable, low in pollution, and widely distributed. Kingtiger created a biomass pyrolysis plant to promote, that can turn biomass into biogas ...
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Combating global warming via non-fossil fuel energy options
Non-fossil fuel energy options can help reduce or eliminate the emissions of greenhouse gases and are needed to combat climate change. Three distinct ways in which non-fossil fuel options can be used in society are examined here: the capture/production of non-fossil fuel energy sources, their conversion into appropriate energy carriers and increased efficiency throughout the life cycle. ...
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US energy-dense storage system set to raise tower efficiency
Southern Research plans to commission by October 2017 a 1 MWh(th) energy storage demonstration unit using its high temperature thermochemical technology, following a recent funding boost from the US Department of Energy. The Alabama-based developer was one of 14 research groups which were awarded in September a combined $32 million from the US Department of Energy's SunShot plan. The federal ...
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HycycleS: a project on nuclear and solar hydrogen production by sulphur-based thermochemical cycles
The European FP7 project HycycleS focuses on providing detailed solutions for the design of specific key components for sulphur-based thermochemical cycles for hydrogen production. The key components necessary for the high temperature part of those processes, the thermal decomposition of H2SO4, are a compact heat exchanger for SO3 decomposition for operation by solar and nuclear heat, a ...
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Membrane development for applications in hydrogen production using the sulphur-iodine thermochemical route
Careful optimisation of a safe and sustainable route for hydrogen production is a pressing need. Thermochemical processes employing water as raw material and nuclear/renewable energies as energy source are believed to be the best possible option in this direction, while alarming issues such as climate change and global warming are being taken into account. Amongst the well-identified cycles, the ...
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Producing hydrogen using nuclear energy
The earliest means of separating hydrogen from water was by electrolysis using electrical energy that usually had been produced by low-efficiency thermodynamic processes. Substitution of thermal energy for electrical energy in high-temperature electrolysis gives a somewhat higher overall efficiency, but significantly complicates the process. Today, the vast majority of hydrogen is produced by ...
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Potential of hybridisation of the thermochemical hybrid-sulphur cycle for the production of hydrogen by using nuclear and solar energy in the same plant
The search for a sustainable, CO2-free massive hydrogen production route is a strong need, if one takes into account the world-wide increasing energy demand, the deterioration of fossil fuel reserves and in particular the increasing CO2 concentration leading to global warming. Thermo-chemical cycles for water splitting are considered as a promising alternative of emission-free routes of massive ...
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