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Morbius
#5
Nov29-06, 02:53 PM
Sci Advisor
P: 1,152
Quote Quote by bananan View Post
I understand from wiki that india is using Thorium as a supply fuel. Could there be a combination of Thorium, uranium and plutinion that when placed with spent radiactive fuel, might cause it to decay quicker?
bananan,

In the "Thorium cycle", you use Th-232 as a fertile material to breed fissile U-233.

Then you burn the U-233 for power and make more U-233.

Putting combinations of different materials together doesn't affect the radioactivity.

The radioactive decay characteristics depend on what's going on in the nucleus.

The nucleus has no way of knowing what's also in the mix. In terms of length scale;
all those other materials are a LONG, LONG, LONG way away from the nucleus.

Dr. Gregory Greenman
Physicist