There are many inherent advantages with these reactors as detailed in my blog Thorium Reactors May Solve The World's Energy Crisis: inherent safety, no need for elaborate and large containment buildings, vastly more fuel efficient, Thorium is a much more abundantly available in the world, and the fuel cycle has vastly reduced reactor waste products.
All of the images below are from Kirk Sorensen's presentation at thoriumenergyalliance.com. Detailed video explanations of the following graphics explain all of the information included below. I highly recommend the video explanation of the fuel cycle which is the 8th in the series. Please browse all of them however.
(click on any image to enlarge)
A Photo of an Existing Molten Florine Salts Thorium Reactor |
Molten Flouride Salts at Very High Temperatures Are Integral To The TMSR Fuel Cycle This type of reactor is not under pressure like Uranium reactors. |
TMSR Reactors Have a Fail Safe Design In The Event Of Power Failure These reactors automatically drain and cool and the fission reaction stops in the event of a power failure |
Thorium Production and Utilization is Vastly More Efficient Than Uranium
The Thorium Fuel Cycle
Thorium to Uranium 233 Fuel Cycle
Thorium 232, introduced in the outer core of the reactor, is bombarded by neutrons generated from the fission in the inner core and is converted to Uranium 233. This Uranium is separated from the "fertile salt" and then feed into the "Fuel Salt" portion of the reactor as fuel. The Uranium is then bombarded by neutrons which results in fission reactions which releases huge amounts of energy and more neutrons. The cycle continues as the neutrons converts the Thorium in the outer core to more Uranium 233 fuel. The Uranium 233 is completely consumed in the reactor.
A "Cartoon" of A Thorium Reactor
The Thorium is in the outer "blanket"or "fertile" salts where it absorbs neutrons from the "Fuel Salt Core" and becomes Uranium 233. This Uranium 233 is separated from the outer salts and feed to the inner core for fission. Obviously fission is the source of massive amounts of energy. The equipment on the right is for batch "cleaning" of the salts to remove "other" fission products.
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