The nuclear fuel of the future. More abundant, safer, and cleaner. Discover how thorium could reshape global energy production.
Estimated thorium reserves by country (in metric tonnes)
With 172,000 tonnes of reserves, Canada has major thorium deposits
The province has 182 known occurrences of uranium and thorium, representing a significant resource for Canada's energy future.
Main documented deposits:
The Elliot Lake-Agnew Lake region is one of the largest concentrations of uranium and thorium resources in North America.
About 400 deposits of uranium/thorium have been documented in this historic mining region.
From raw ore to nuclear fuel: thorium processing steps
First concentration stage for thorium ore using mechanical methods to separate valuable minerals from gangue.
Chemical dissolution of thorium concentrate to obtain a purifiable solution. Multiple approaches are possible depending on mineralogy.
Selective thorium purification by contact between aqueous and organic phases, enabling fine impurity separation.
Conversion of the thorium-bearing solution into a purified solid compound (oxalate or hydroxide), followed by calcination to obtain thorium oxide (ThO2).
Conversion of thorium oxide into pure metal through the Spedding process (calciothermic or magnesiothermic reduction).
Inside a nuclear reactor, thorium-232 captures a neutron and gradually transforms into fissile uranium-233, the active fuel.
Nuclear and industrial applications of this metal with exceptional properties
Thorium can be used as fuel in several types of nuclear reactors to generate abundant low-carbon electricity.
Fertile thorium-232 absorbs a neutron and transforms into uranium-233, an excellent fissile isotope for nuclear energy production.
Thorium reactors can consume plutonium from dismantled nuclear weapons, contributing to global non-proliferation.
Potential to transform long-lived actinides into shorter-lived isotopes, drastically reducing waste-storage time horizons.
Thorium oxide (ThO2) has the highest melting point of all oxides: 3300°C. It is ideal for crucibles and extreme refractory applications.
Gas-lantern mantles and incandescent-lighting elements. Thorium oxide emits a bright white light when heated.
Thoriated tungsten electrodes (2% ThO2) for TIG welding. They provide better arc ignition, greater stability, and longer service life.
Thorium-containing glass offers a high refractive index and low dispersion, making it useful for photographic lenses and scientific instruments.
Thorium oxide serves as a catalyst for various industrial chemical reactions, including the conversion of ammonia into nitric acid.
Thorium can be used in several types of nuclear reactors
Pressurized Heavy Water Reactor
High Temperature Reactor
Boiling Water Reactor
Pressurized Water Reactor
Fast Neutron Reactor
Molten Salt Reactor
Accelerator Driven System
Thorium is 3 to 4 times more abundant than uranium in the Earth's crust, offering reserves for millennia.
It can produce significantly less long-lived radioactive waste and fewer transuranic actinides.
The thorium cycle has lower potential for use in nuclear weapons, strengthening global security.
The world's first thorium molten-salt reactor. A 2 MW thermal prototype located in the Gobi Desert, aimed at carbon neutrality.
Advanced Heavy Water Reactor specifically designed to use thorium. It is part of India's three-stage nuclear program.
Thorium-fuel testing program in the Halden reactor. International collaboration aimed at advancing thorium technologies.
Emerging technologies that could shape the future of thorium energy
Revolutionary modular reactors designed for large-scale industrial production.
China is leading the global race with its ambitious MSR reactor program.
Innovative fuel compatible with existing PHWR and CANDU reactors, enabling a progressive transition toward thorium energy.
Revolutionary combination of a cyclotron accelerator and a lead-cooled reactor for nuclear-waste destruction.
Infrastructure required for the full thorium value chain
Mining of heavy mineral sands containing monazite, the main thorium ore with 6-7% thorium phosphate.
Dissolution of monazite using sodium hydroxide treatment at 140°C to extract thorium in soluble form.
Concentration of thorium-bearing heavy minerals through differential magnetic properties.
Co-extraction of thorium with rare earths, reducing costs and increasing the value of REE industry by-products.
Manufacturing of thoria-based (ThO2) fuel pellets through pressing and high-temperature sintering.
Fuel microspheres coated with carbon and silicon carbide layers for high-temperature reactors (HTR).
Preparation of fluoride molten salts containing thorium for molten-salt reactors.
Shielded cells and robotic handling for manufacturing highly radioactive U-233-containing fuels.
300 MWe Advanced Heavy Water Reactor using (Th-Pu) MOX fuel, cornerstone of India's thorium program.
High-temperature pebble-bed reactor using thorium-based TRISO fuel.
Uranium Thorium Separation Facility for reprocessing irradiated thorium fuel.
THOREX process for separating uranium-233 from irradiated thorium by tributyl phosphate extraction.
Power Reactor Thoria Reprocessing Facility in India for thorium-based PHWR fuel.
Reprocessing capacity of 200 tonnes/year and MOX fabrication of 20 tonnes/year.
When automotive design meets the nuclear energy of the future
Designer: Loren Kulesus — Celebration of Cadillac's 100th anniversary
CONCEPT VEHICLE
Designed to last 100 years without maintenance
24 wheels distributed as 6 wheels per corner, each equipped with its own individual induction motor. Cutting-edge technology for exceptional maneuverability.
Staggering energy efficiency: 1 gram of thorium = 7,000 gallons of gasoline. 100-year lifetime without refueling.
Structure inspired by shark cartilage, capable of intuitively adapting to road conditions and self-repairing.
The wheel angle automatically adapts to surface and driving conditions for optimal grip.
Multiple redundant systems to poison the nuclear reaction in emergencies. Safety built in by design.
Ability to feed energy back to the grid or power an entire neighborhood while the vehicle is parked.
The Cadillac WTF remains an artistic and philosophical exercise rather than a real production project. It brilliantly demonstrates the transformative potential of thorium as an energy source and pushes the limits of imagination in automotive design. No commercial production is planned, but the concept continues to inspire discussion about the future of clean transportation energy.
Innovative concepts and historical projects exploring thorium's potential
Sealed reactor shell integrating a compact generator for autonomous energy production in isolated zones.
Theoretical propulsion-system concept for long-duration interplanetary missions.
First US reactor to demonstrate thorium-fuel breeding. Exceptional breeding ratio of 1.014 — more fuel produced than consumed.
Molten Salt Reactor Experiment. 15,000 hours of successful operation, demonstrating the feasibility of molten-salt reactors.
Arbeitsgemeinschaft Versuchsreaktor. High-temperature reactor using pebble-bed TRISO fuel, with 21 years of operation.
Advantages, challenges, and future outlook for thorium energy
A practical synthesis of what current research and deployment programs indicate for thorium fuel cycles.
Institutional and technical sources used to contextualize thorium potential, safety, and economics.