NDLI: The Coupling of Nuclear Heat and Hydrogen Production Thermochemical Cycles

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Wang, Zhaolin Naterer, Greg Kamiel, S. Gabriel Gravelsins, Rob Daggupati, Venkata
Copyright Year	2009
Abstract	The technology to use nuclear heat to thermally split water into hydrogen and oxygen attracts more and more attentions at present. This paper discusses some challenges to couple nuclear heat with thermochemical hydrogen production cycles. The challenges include matching the maximum heat grade of thermal chemical cycles and nuclear reactors, and extracting heat from nuclear reactors. Sulfur-iodine and copper-chlorine cycles are taken as typical examples for analysis and discussion. The heat grade and quantity required by each step of the cycles are discussed. The maximum heat grade of sulfur-iodine cycle is higher than 800°C which cannot be easily coupled by GenIV nuclear reactor and other sources of heat must be provided. In comparison, the maximum heat grade of copper-chlorine cycle is 530°C which can be coupled by more nuclear reactors such as advance Gen-III and future Gen-IV nuclear reactor. It is concluded that thermochemical cycles with lower temperature requirement are easier to couple with present and future generations of reactors. Low temperature thermochemical cycles such as copper-chlorine cycles are recommended to match the heat grade of most nuclear reactors. Some methods are proposed to couple heat between a thermochemical cycle and nuclear power generating station. Several heat extraction methods such as using working fluid of nuclear reactor to provide heat to thermochemical cycles are proposed in this paper.
Sponsorship	Nuclear Engineering Division
Starting Page	875
Ending Page	883
Page Count	9
File Format	PDF
ISBN	9780791843529
DOI	10.1115/ICONE17-75702
e-ISBN	9780791838525
Volume Number	Volume 2: Structural Integrity; Safety and Security; Advanced Applications of Nuclear Technology; Balance of Plant for Nuclear Applications
Conference Proceedings	17th International Conference on Nuclear Engineering
Language	English
Publisher Date	2009-07-12
Publisher Place	Brussels, Belgium
Access Restriction	Subscribed
Subject Keyword	Thermal water splitting Nuclear heat Thermochemical cycles Water Cycles Heat Hydrogen production
Content Type	Text
Resource Type	Article

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