Diablo Canyon Decommissioning Engagement Panel

Public Comments

DateSeptember 5, 2020
Decommissioning TopicSpent Fuel Storage
Comment / Suggestion:

My name is Michael Ratty. I am a retired engineer and have been a resident of rural Arroyo Grande for 40 years.
As we all know there are thousands of nuclear fuel assemblies at Diablo Canyon waiting for some kind of disposal method.
What was created in a nuclear reactor needs to be destroyed in a nuclear reactor.
Current reactor technology allows us to use the spent nuclear fuel (SNF) as fuel in a new reactor.
The reactor I am referring to is one of the Generation 4 reactors that specifically use a molten salt as fuel and for heat exchange. It is call a Molten Chloride Salt Fast Reactor (MCSFR)
The existing SNF pellets are converted into a chloride salt and used as fuel in this type of reactor.
See Figure 1.
This process has been verified through a Department of Energy – GAIN Project at Idaho National Laboratories. See Figure 2
Once a 1.2 gigawatt electric reactor is started, it will use approximately one metric ton of SNF or approximately 2.5 fuel assemblies per year.
As you can see this is an extremely efficient process, actually to efficient to use all the SNF at Diablo Canyon in my grandchild’s life time.
If you want more information on the MCSFR, please refer to the following link.
Thank you and please consider integrating this technology to eliminate the SNF at Diablo Canyon. Please contact me at advancednuclear6@gmail.com and let me know what you think.

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