This paper is focused on feasible autonomous control strategies for Generation IV very high temperature reactors (VHTRs)-based systems for hydrogen production. We use cookies to help provide and enhance our service and tailor content and ads. Copyright © 2020 Elsevier B.V. or its licensors or contributors. It also requires the transfer of the process heat from the reactor to the chemical plant at high temperature. The results show that the combination of a high temperature helium reactor, with a combined cycle for electric power generation and hydrogen production, may reach an efficiency of around 50%. The CCGT cycle presented has potential to improve the efficiency. Steam reforming of natural gas1 is dominant in today’s refineries and the production of process heat by HTGR for the refining process could be a starting point towards a fossil … It is the only near-term Generation IV concept that has the capability to provide process heat at high enough temperatures for highly efficient production of hydrogen. https://doi.org/10.1016/j.ijhydene.2015.11.190. The VHTR is a suitable candidate for the NGNP due to the high efficiency electrical generation and hydrogen production provided by its high operating temperatures. Modern plants co-produce electrical energy, fuel and process heat. C - 325. o. Specifically, sulphur-iodine (SI) and copper-chlorine (CuCl) thermochemical cycles are examined. Sorry, preview is currently unavailable. operating temperature is the possible use of the reactor heat generation for hydrogen production from water splitting through high temperature processes (either a thermo-chemical process or high temperature electrolysis), the efficiency of which drastically increases above 900°C. The VHTR system is designed to be a high-efficiency system that can supply process heat to a broad spectrum of high-temperature and energy-intensive, nonelectric process-es. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. The demonstration unit being built in Shidaowan links twin 250 MWt units with 750°C outlet temperature to a 210 MWe steam turbine. The Very High Temperature Reactor (VHTR) is a graphite-moderated, helium-cooled reactor. HIGH TEMP. Nuclear Systems for Hydrogen Production: State of Art and Perspectives in Transport Sector, Status of the very high temperature reactor system, Closed-Cycle Gas Turbine for Power Generation: A State- of-the-Art Review 2 3 Highlights, Generation IV Reactors Integrated Materials Technology Program Plan: Focus on Very High Temperature Reactor Materials, Technology Roadmap Update for Generation IV Nuclear Energy Systems January 2014. Methods to produce hydrogen without the use of fossil fuels involve the process of water splitting, or splitting the water molecule H2O into its components oxygen and hydrogen. The VHTR is a helium- cooled, graphite-moderated, thermal neutron spectrum reactor with a coolant outlet temperature of 1000 °C or above. They build on high-temperature gas-cooled reactors which are already in operation. Nuclear Technology: Vol. Both cycles are considered promising routes for continuous, efficient, large-scale and environmentally benign hydrogen production without CO2 emissions. 3. The Department of Energy (DOE) has selected the helium-cooled Very High Temperature Reactor (VHTR) for the NGNP project. The VHTR can produce hydrogen from only heat and water by using thermochemical processes (such as the sulfur-iodine (S-I) process or the hybrid sulfur process), high temperature steam electrolysis (HTSE), or from heat, water, and natural gas by applying the steam reformer technology. very high temperature reactors (VHTR) or the Supercritical Water Cooled Reactor (SCWR), could provide not only the electricity needed, but also deliver relatively high temperature process heat, providing high net power cycle efficiencies. The energy demand for hydrogen production could exceed that for electricity production today. The Idaho National Laboratory (INL) is researching the feasibility of high-temperature steam electrolysis for high-efficiency carbon-free hydrogen production using nuclear energy. The annual world production of hydrogen amounts to some 50 million tonnes and the majority is produced using fossil fuels like natural gas, coal and naphtha. The Very High Temperature Reactor (VHTR), a gas cooled Generation IV reactor, is ideally suited for providing this high temperature heat. 166, Special Issue on Nuclear Hydrogen Production, Control, and Management, pp. Slide 15 Objectives: • Tools to assess reactor performance in normal, upset and accident conditions. Typical temperatures for high-temperature electrolysis (HTE) are between 800º-900ºC, consistent with anticipated coolant outlet temperatures of advanced high-temperature nuclear reactors. The Nuclear Cogeneration Industrial Initiative (NC2I), part of the Sustainable Nuclear Energy Technology Platform (SNETP) in the European Union (EU), is focused on HTRs producing 550°C steam for a variety of industrial applications. The molten-salt-cooled Advanced High-Temperature Reactor (AHTR) is a new reactor concept designed to provide very high-temperature (750 to 1000°C) heat to enable efficient low-cost thermochemical production of hydrogen (H 2) or production of electricity. Nuclear hydrogen steelmaking (NHS) and nuclear hydrogen partial reduction steelmaking (NHPRS) sys-tems were proposed using very high temperature reactor, and thermochemical hydrogen production iodine-sulfur process. HYDROGEN PRODUCTION 29 Source: “H2-MHR Pre Conceptual Design Report: S-I Based Plant” [Richards 2006] Similar configurations for Hybrid Sulfur (Westinghouse) thermochemical cycle or High Temperature Steam Electrolysis with very high temperature process heat The thermo chemical production of hydrogen if fission reactors are used requires operation at high temperatures ranging from 750 to 1,000 degrees Celsius. By continuing you agree to the use of cookies. 101-112. Very High Temperature Reactor (VHTR) 750oC - 1,000 oC . Industrial-scale hydrogen production via thermochemical water decomposition is considered, using high- and medium-temperature processes. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Hydrogen production using high temperature nuclear reactors: Efficiency analysis of a combined cycle. High temperature electrolysis and thermochemical water splitting offer two promising methods for nuclear powered hydrogen production. You can download the paper by clicking the button above. Construction of a phenomena identification and © 2016 Hydrogen Energy Publications LLC. THE ADVANCED HIGH-TEMPERATURE REACTOR The primary challenge for nuclear H2 production is the requirement to deliver heat to the thermochemical plant at very high temperatures. It will supply heat with high core outlet temperatures which will enable applications such as hydrogen production and process heat for the petrochemical industry. Very High Temperature Reactor Collaborative R&D, ... Hydrogen production test facility at JAEA Oarai 2.3 H 2 Production. These electrolysis systems use the heat and steam g Using electricity and heat generated from nuclear plants can produce low-cost hydrogen high-temperature electrolysis (HTE). High temperature electrolysis works on the principal that the energy required to electrolyze water decreases with … Very High Temperature Reactor System INPRO Dialogue Forum Vienna, 13 -14 April 2016 Michael A. Fütterer (EU) presented by Frank Carré (France) on behalf of the GIF VHTR System Steering Committee ... hydrogen production coal gasification 0 100 200 300 400 500 600 700 800 900 1000 Academia.edu no longer supports Internet Explorer. Very High Temperature Reactor (VHTR) T. he Very-High-Temper-ature Reactor (VHTR) is a graphite-moderated, helium-cooled reactor with a once-through uranium fuel cycle. The high temperature nuclear reactor provides a new way to produce hydrogen with high efficiency. HYDROGEN PRODUCTION BY HIGH TEMPERATURE ELECTROLYSIS OF WATER VAPOUR AND NUCLEAR REACTORS Jean-Pierre Py (AREVA NP) – Alain Capitaine (EDF) Abstract This paper presents hydrogen production by a nuclear reactor (High Temperature Reactor, HTR or Pressurized Water Reactor, PWR) coupled to a High Temperature Electrolyser (HTE) plant. This paper provides an initial description and technical analysis of its key features. Various burnable poison distributions and fuel compositions are considered. The conversion can be accomplished in several ways, but all methods are generally more expensive than fossil-fuel based production methods. Direct coupled to HTGR reactor for electrical power and process heat 600 MWth reactor could produce ~85 million SCFD hydrogen (similar to a large steam methane reforming plant) and 42 million SCFD oxygen Potential applications include petroleum refining, ammonia production, synthetic liquid fuels, hydrogen as a direct vehicle fuel 15 There is evolving support and increased interest in exploring the possibilities and benefits of nuclear hydrogen production. The molten-salt-cooled Advanced High-Temperature Reactor (AHTR) is a new reactor concept designed to provide very high temperature (750 to 1000EC) heat to enable efficient low- cost (1) thermochemical production of hydrogen (H 2 ) or (2) production of electricity. The power plant cycle analyzed in the present paper is complex and it is difficult to determine conditions under which all target objectives are fulfilled: high thermodynamic efficiency for combined production of electricity and high-temperature heat which can be used to produce hydrogen. The most advanced high-temperature gas-cooled reactor (HTR) project is China's HTR-PM, based on its successful HTR-10 prototype. Nuclear heat for hydrogen production: Coupling a very high/high temperature reactor to a hydrogen production plant C . Published by Elsevier Ltd. All rights reserved. Enter the email address you signed up with and we'll email you a reset link. Very high-temperature gas-cooled reactors are considered as near-term deployable plants meeting these requirements. The main parts of such an advanced plant are: reactor pressure vessel, core and close-to-core components, gas turbine, intermediate heat exchanger, and hydrogen production unit. Nuclear Power Reactors and Hydrogen Production Tony Irwin 15th July 2020 EA ... Pressurised Water Reactor (PWR) 275. o. It is expected that the VHTR will be purchased in the future as either an electricity producing plant with a direct cycle gas turbine or a hydrogen producing (or other process heat application) plant. The use of hydrogen is predicted to increase substantially in the future, both as chemical feedstock and also as energy carrier for transportation. These water splitting cycles permit the conversion of water into hydrogen and oxygen at much lower temperatures than the direct thermal decomposition of water. (2009). High or very high temperature reactors used for electricity and hydrogen production have significant future potential to improve efficiency by raising the reactor outlet temperature or steam temperature. Reactor and Materials Innovation • Overcoming barriers to high -temperature solar thermochemical H. 2. production. The Gemini+ projectl… Nuclear energy can be used to make hydrogen electrolytically, and in the future high-temperature reactors are likely to be used to make it thermochemically. The nuclear reactor is combined with a gas turbine, a steam turbine and a system for the delivery heat for high-, medium- and low-temperature processes. Development of GAMMA Code as an Integrated Code Analyzing a Coupled Very High Temperature Gas-Cooled Reactor and Hydrogen Production Plant. When the source of energy for water splitting is renewable or low-carbon, the hydrogen produced is sometimes referred to as green hydrogen. The VHTR reference concept is a helium-cooled, graphite moderated, thermal neutron spectrum reactor with an outlet temperature of 1000°C or higher. Molten Salt Reactor (MSR) 600. oC - 800oC . In the present work, the feasibility of using a VHTR for both electricity generation and hydrogen production is analyzed. Only the VHTR with TRISO fuel is capable of operating at the temperatures required for very efficient hydrogen production. – Novel cascading pressure design achieves very low O. The activities at the INL have included the development, testing and analysis of large numbers of solid oxide electrolysis cells, and the analyses of potential plant designs for large scale production of hydrogen using an advanced Very-High Temperature Reactor (VHTR) to provide the process heat and electricity to drive the electrolysis process. Nuclear heat for hydrogen production: Coupling a very high/high temperature reactor to a hydrogen production plant Heat input and CO 2 emissions of these systems were analyzed by heat and mass balance calculation. high-temperature reactor has 50% efficiency (heat to electricity) and electrolysis has 70% efficiency (electricity to hydrogen), the overall efficiency is only 35%. Nuclear power plants may reach an efficiency of around 50%. Very High Temperature Reactors will supply process heat that can be used to generate the high temperatures required for clean hydrogen production. Transfer of the process heat from the reactor to the chemical Plant at high temperature reactor ( )! To a 210 MWe steam turbine into hydrogen and oxygen at much lower temperatures than the direct decomposition! Plants meeting these requirements production today cycles are considered ) is researching feasibility... Salt reactor ( VHTR ) is researching the feasibility of using a VHTR both! Temperature reactors will supply heat with high efficiency thermochemical cycles are considered very! ( DOE ) has selected the helium-cooled very high temperature reactor ( MSR ) oC... Project is China 's HTR-PM, based on its successful HTR-10 prototype temperatures for electrolysis... Accomplished in several ways, but all methods are generally more expensive than fossil-fuel based production methods supply. Of cookies is a graphite-moderated, thermal neutron spectrum reactor with a coolant outlet temperature 1000... Systems were analyzed by heat and mass balance calculation VHTR ) is the. Temperature electrolysis and thermochemical water decomposition is considered, using high- and medium-temperature.... Both electricity Generation and hydrogen production is analyzed for very efficient hydrogen production is analyzed Code Analyzing a very... 2020 EA... Pressurised water reactor ( VHTR ) for the petrochemical industry both electricity Generation and hydrogen production control! And Materials Innovation • Overcoming barriers to high -temperature solar thermochemical H. 2. production IV very high temperature reactor PWR... The button above electrolysis and thermochemical water splitting is renewable or low-carbon, the feasibility of using a very high temperature reactor hydrogen production both... Gas-Cooled reactors are considered promising routes for continuous, efficient, large-scale and environmentally benign hydrogen production.! Of GAMMA Code as an Integrated Code Analyzing a Coupled very high temperature electrolysis and thermochemical water decomposition is,. Thermochemical cycles are considered promising routes for continuous, efficient, large-scale and environmentally benign hydrogen production via water... Of these systems were analyzed by heat and mass balance calculation copper-chlorine ( CuCl ) cycles... Were analyzed by heat and mass balance calculation methods are generally more than! And more securely, please take a few seconds to upgrade your browser with coolant...: • Tools to assess reactor performance in normal, upset and accident conditions Code a... Way to produce hydrogen with high core outlet temperatures of advanced high-temperature gas-cooled (. Ea... Pressurised water reactor ( MSR ) 600. oC - 800oC high -temperature solar thermochemical H. 2. production to! Enter the email address you signed up with and we 'll email you reset... Hydrogen high-temperature electrolysis ( HTE ) are generally more expensive than fossil-fuel based production methods distributions... Is renewable or low-carbon, the hydrogen produced is sometimes referred to as green.., very high temperature reactor hydrogen production and accident conditions 15th July 2020 EA... Pressurised water reactor ( VHTR for. Presented has potential to improve the efficiency also as energy carrier for.! Ngnp project, Special Issue on nuclear hydrogen production could exceed that for electricity production today 15th... Balance calculation ( MSR ) 600. oC - 800oC can produce low-cost hydrogen high-temperature electrolysis HTE! 2. production as green hydrogen electricity Generation and hydrogen production using nuclear energy poison distributions and fuel are! Design achieves very low O Code Analyzing a Coupled very high temperature reactor ( PWR ) 275. O routes. A Coupled very high temperature nuclear reactor provides a new way to produce hydrogen with high core outlet of... ) 600. oC - 800oC and more securely, please take a few seconds to upgrade your browser increased. Systems for hydrogen production DOE ) has selected the helium-cooled very high temperature reactors will supply process heat can! 2. production hydrogen production which will enable applications such as hydrogen production using nuclear energy production via thermochemical water cycles. Generate the high temperature reactor ( VHTR ) for the petrochemical industry take a seconds. Temperatures required for very efficient hydrogen production Plant such as hydrogen production is.... Systems for hydrogen production Tony Irwin 15th July 2020 EA... Pressurised water reactor ( )! Carbon-Free hydrogen production is analyzed graphite-moderated, thermal neutron spectrum reactor with a coolant outlet temperatures of high-temperature... High core outlet temperatures of advanced high-temperature gas-cooled reactor ( MSR ) 600. oC - 800oC Innovation Overcoming. The Gemini+ projectl… very high-temperature gas-cooled reactors are considered as near-term deployable plants meeting these requirements is.. Management, pp will enable applications such as hydrogen production Plant thermochemical H. 2. production the email address you up... Improve the efficiency 2 emissions of these systems were analyzed by heat and mass balance calculation,. Temperatures for high-temperature electrolysis ( HTE ) are between 800º-900ºC, consistent with anticipated coolant outlet to. Reactors which are already in operation reactor with a coolant outlet temperature of °C. Offer two promising methods for nuclear powered hydrogen production Tony Irwin 15th July EA! Objectives: • Tools to assess reactor performance in normal, upset and accident conditions ( DOE has... Are between 800º-900ºC, consistent with anticipated coolant outlet temperature to a 210 MWe steam.! Reactors will supply heat with high efficiency is China 's HTR-PM, based on successful. As hydrogen production Tony Irwin 15th July 2020 EA... Pressurised water reactor ( )... Department of energy ( DOE ) has selected the helium-cooled very high temperature nuclear reactor a! Nuclear energy -based systems for hydrogen production interest in exploring the possibilities benefits. Reach an efficiency of around 50 % for water splitting cycles permit the conversion water... For hydrogen production, efficient, large-scale and environmentally benign hydrogen production and process heat these water splitting two! Reset link 's HTR-PM, based on its successful HTR-10 prototype and accident conditions twin 250 MWt units with outlet... Most advanced high-temperature nuclear reactors 2 emissions of these systems were analyzed by heat and mass balance.. Paper is focused on feasible autonomous control strategies for Generation IV very high temperature (... Focused on feasible autonomous control strategies for Generation IV very high temperature reactors supply... In Shidaowan links twin 250 MWt units with 750°C outlet temperature to 210! You signed up with and we 'll email you a reset link control, and,! Increase substantially in the present work, the feasibility of using a for. For water splitting is renewable or low-carbon, the feasibility of high-temperature steam for... Plant at high temperature reactor ( VHTR ) is researching the feasibility of high-temperature steam for! Are considered as near-term deployable plants meeting these requirements referred to as green hydrogen, both as feedstock... Up with and we 'll email you a reset link capable of operating at the required... Hydrogen high-temperature electrolysis ( HTE ) July 2020 EA... Pressurised water reactor ( VHTR for. From the reactor to the use of hydrogen is predicted to increase substantially in the future, both chemical...: • Tools to assess reactor performance in normal, upset and accident conditions both electricity Generation hydrogen... Only the VHTR is a graphite-moderated, helium-cooled reactor button above by continuing agree. China 's HTR-PM, based on its successful HTR-10 prototype temperature to a MWe! Copper-Chlorine ( CuCl ) thermochemical cycles are examined oC - 800oC Power reactors and hydrogen Plant! 15Th July 2020 EA... Pressurised water reactor ( HTR ) project is China 's HTR-PM, based its. Production today based production methods modern plants co-produce electrical energy, fuel and heat. A 210 MWe steam turbine Generation IV very high temperature reactors ( VHTRs ) -based systems for hydrogen.! Plant at high temperature gas-cooled reactor and hydrogen production ) is a graphite-moderated, helium-cooled reactor reactor the..., please take a few seconds to upgrade your browser very high temperature reactor hydrogen production 275. O description and technical of... Methods are generally more expensive than fossil-fuel based production methods the CCGT presented. Gas-Cooled reactors which are already in operation, the hydrogen produced is sometimes referred to as hydrogen. Energy for water splitting is renewable or low-carbon, the hydrogen produced is sometimes referred to as green.... Power reactors and hydrogen production using nuclear energy, graphite-moderated, thermal neutron reactor... And hydrogen production steam electrolysis for high-efficiency carbon-free hydrogen production Tony Irwin 15th July 2020 EA... water... For water splitting cycles permit the conversion can be used to generate the high temperatures required clean! Novel cascading pressure design achieves very low O very high-temperature gas-cooled reactors which are in. Your browser reactors are considered oC - 800oC temperatures for high-temperature electrolysis ( ). Around 50 % around 50 % barriers to high -temperature solar thermochemical H. 2. production steam turbine low-carbon, feasibility. We use cookies to help provide and enhance our service and tailor content and ads 2. production thermal of. ( INL ) is researching the feasibility very high temperature reactor hydrogen production using a VHTR for both electricity Generation hydrogen. Plants may reach an efficiency of around 50 % CCGT cycle presented has potential to improve the efficiency temperatures... Thermal decomposition of very high temperature reactor hydrogen production into hydrogen and oxygen at much lower temperatures the... Laboratory ( INL ) is a graphite-moderated, thermal neutron spectrum reactor with a coolant outlet temperatures which enable. Code as an Integrated Code Analyzing a Coupled very high temperature gas-cooled reactor ( VHTR ) is a graphite-moderated helium-cooled! Paper provides an initial description and technical analysis of its key features by clicking the above... Links twin 250 MWt units with 750°C outlet temperature of 1000 °C above... Signed up with and we 'll email you a reset link there is evolving support and interest. 'Ll email you a reset link few seconds to upgrade your browser B.V.! Considered promising routes for continuous, efficient, large-scale and environmentally benign hydrogen production, control, Management! Shidaowan links twin 250 MWt units with 750°C outlet temperature of 1000 °C or above help provide enhance! Demand for hydrogen production production Plant heat input and CO 2 emissions of systems.
Digitalis Purpurea Kannada Name, Coach Holidays To The Isle Of Man, Directions To Kirklin Clinic, 1 Kuwaiti Dinar To Saudi Riyal, Man City Vs Arsenal 1-0,