Thorium fuel cycle

The long-term fuel-utilization advantage.

A thermal-spectrum MSBR aims to convert fertile thorium into U-233, keep useful actinides in circulation, and separate true waste more selectively than a once-through fuel model.

EconomicsSources

Fuel value

Neutrons decide the business case

The breeder pathway is not magic. It depends on neutron economy, salt cleanup, and an operating model that keeps valuable heavy atoms productive.

ThFertile input
U-233Fissile workhorse

Cycle economics

The commercial question is whether the plant converts more resource value into saleable heat while reducing the penalty of unused actinides and broad waste streams.

Breeding ratioConversion has to be tracked as an operating metric, not a slogan.
Actinide returnUseful heavy atoms should stay in the productive fuel cycle whenever practical.
Poison controlFission product management protects neutron margins and plant availability.
Waste distinctionThe system separates material with future energy value from true disposal streams.

Fuel cycle

Thorium pathway

Neutron capture and decay steps turn fertile material into useful fissile inventory.

Reference

Thermal spectrum

The core must preserve the spectrum and margins needed for the breeder case.

Core page

Online return

Liquid fuel lets fuel management happen as chemistry and operations, not only refueling.

Chemistry

Next: ROI stack

Fuel utilization only matters when it improves project economics against heat-first revenue and plant availability.

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