Thorium-based fuel design for pressurized heavy water reactors

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United States of America Patent

PATENT NO 11929183
APP PUB NO 20240021328A1
SERIAL NO

18195112

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Abstract

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Thorium-based fuel bundles according to one or more embodiments of the present invention are used in existing PHWR reactors (e.g., Indian 220 MWe PHWR, Indian 540 MWe PHWR, Indian 700 MWe PHWR, CANDU 300/600/900) in place of conventional uranium-based fuel bundles, with little or no modifications to the reactor. The fuel composition of such bundles is 60+ wt % thorium, with the balance of fuel provided by low-enriched uranium (LEU), which has been enriched to 13-19.95% 235U. According to various embodiments, the use of such thorium-based fuel bundles provides (1) 100% of the nominal power over the entire life cycle of the core, (2) high burnup, and (3) non-proliferative spent fuel bundles having a total isotopic uranium concentration of less than 12 wt %. Reprocessing of spent fuel bundles is also avoided.

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Patent Owner(s)

Patent OwnerAddress
CLEAN CORE THORIUM ENERGY LLC404 FOX TRAIL LANE OAK BROOK IL 60523

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Milany, Rida North York, CA 4 1
Shah, Mehul Oak Brook, US 113 1616
Shirvan, Koroush Boston, US 6 1

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