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Maybe one day we will see small reactors powering homes and alike
(BTW, we're probably annoying those around us by going so far off topic. If you want to pursue this, please open a new thread or use one of the existing threads on nuclear power. Let us know where it is, and I'll meet you there.)
Originally posted by purplemer
reply to post by Chrisfishenstein
I agree but I can not see us reducing our dependency on energy. I think a better alternative would be to turn off the power for an couple of hours a day apart from vital services or reduce our level of consumerism. That does not look like it is going to happen anytime soon.
Here in the UK we may well have an energy crisis within three years. Alternative energy methods are on the increase but we are still short What can we do about that. Build more coal powered stations to pollute the atmosphere and worsen global warming.
No magic fairy is going to wave a wand. We need to do something until we have fussion reactors up and running on a commercial scale and that is a way off yet. I would rather see these things dotted around than full scale nuclear reactors.
Originally posted by Phage
reply to post by TheComte
There is no "spent fuel" because you leave the fuel in the reactor until it is all used up. There is no radioactivity left.
No.
The products of nuclear fission include 235U and 239PU. Both radioactive but not fissionable.
Once the amount of fissionable fuel falls below critical mass the chain reaction stops and no power is produced. But there is still radioactive material remaining.
Normally inert materials (including the body of the reactor itself) become radioactive through neutron bombardment.
edit on 3/1/2013 by Phage because: (no reason given)
Originally posted by intrptr
Sorry dude.
Originally posted by intrptr
reply to post by puncheex
(BTW, we're probably annoying those around us by going so far off topic. If you want to pursue this, please open a new thread or use one of the existing threads on nuclear power. Let us know where it is, and I'll meet you there.)
Why bother. You're a proponent of nuclear power. Nothing will convince you. Any argument is met with:
Off topic and not a valid argument. (Nice dodge)
Who's "us"?
Originally posted by TheComte
This is a molten salt reactor. It is old technology, from the 50s. There is no "spent fuel" because you leave the fuel in the reactor until it is all used up.
There is no radioactivity left.
So - tell me why I'm wrong. I'm new unclear.
Yes, I acknowledge I was way too simplistic there. My bad.
Inherently safe design (safety by passive components and the strong negative temperature coefficient of reactivity of some designs).
Using an abundant supply of thorium to breed uranium-233 fuel.
Much cleaner: as a full recycle system, the discharge wastes from the reactor are predominately fission products, most of which have relatively short half lives compared to longer-lived actinide wastes. This can result in a significant reduction in the containment period in a geologic repository (300 years vs. tens of thousands of years).
The fuel's liquid phase not only allows for fission products to be separated easily from the fuel, but also from each other, which allows for some of the potentially useful fission products to be collected and sold.
There is no need for fuel rod manufacturing
Since the reactor operates at atmospheric pressure, there is no need for a pressure vessel
Can "burn" some problematic radioactive waste (with transuranic elements from traditional solid-fuel nuclear reactors). Possible even in small, even 2–8 MWth or 1–3 MWe. Submarine or aircraft size is possible.
Can react to load changes in less than 60 seconds (unlike "traditional" solid-fuel nuclear power plants).