Nuclear Production of Hydrogen

Second Information Exchange Meeting -- Argonne, Illinois, USA 2-3 October 2003

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Hydrogen Production with Fully Integrated Fuel Cycle Gas and Vapour Core Reactors

Nuclear Energy Agency

This paper presents results of a conceptual design study involving gas and vapour core reactors (G/VCR) with a combined scheme to generate hydrogen and power. The hydrogen production schemes include high temperature electrolysis as well as two dominant thermochemical hydrogen production processes. Thermochemical hydrogen production processes considered in this study included the calcium-bromine process and the sulphur-iodine processes. G/VCR systems are externally reflected and moderated nuclear energy systems fuelled by stable uranium compounds in gaseous or vapour phase that are usually operated at temperatures above 1 500K. A gas core reactor with a condensable fuel such as uranium tetrafluoride (UF4) or a mixture of UF4 and other metallic fluorides (BeF2, LiF, KF, etc.) is commonly known as a vapour core reactor (VCR)....


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