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The main fuel isotope is uranium-235. This isotope is the fissile part of natural uranium, with natural uranium being mostly U-238. Uranium is usually enriched before use to increase the concentration of U-235. Plutonium-239 is also usable, and in some countries a mixture of uranium and plutonium (MOX) is used.
Wiki User
∙ 6y ago
Wiki User
∙ 14y agoIn PWR and BWR reactors, the new fuel is 4 to 5 percent U-235, the rest U-238. Some small research type reactors use a higher U-235 content, perhaps 20 percent. There is also mixed oxide fuel (MOX) which contains plutonium as well as uranium, this is produced in the UK and France and used in some countries, Japan for instance, but not so far in the US. I believe a MOX plant is to be built in the US, this will presumably use Pu from military sources as no chemical separation of spent fuel is carried out in the US as a commercial operation.
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How is uranium used as a fossil fuel?
Uranium is not a fossil fuel; uranium is used as nuclear fuel for nuclear power reactors.
What is the future uses of uranium?
Nuclear fuel for nuclear reactors, more than 98 %.
Fuel rods in nuclear reactors are made up of pellets of?
We usually find that uranium is used as fuel in nuclear reactors (though some use plutonium).
What is used for fule in nuclear reactor?
Typically, Uranium-235 is used as fuel in nuclear reactors.
Why is uranium a non- renewable fuel?
Because uranium atoms disappear by nuclear fission an other nuclear reactions in nuclear reactors.
What where do you get plutonium?
Plutonium applications: - fuel for nuclear reactors - explosive for nuclear weapons - neutron source - isotopic power source - isotopic heat source - in the past, power source for pacemakers
How do they used plutonium in business?
Plutonium applications: - fuel for nuclear reactors - explosive for nuclear weapons - neutron source - isotopic power source - isotopic heat source - in the past, power source for pacemakers
Where is plutonium used?
in NASA's ummaned deep space crafts for fuel Plutonium applications: - fuel for nuclear reactors - explosive for nuclear weapons - neutron source - isotopic power source - isotopic heat source - in the past, power source for pacemakers
What can be used as a substitute for nuclear reactors?
No substitute for nuclear power reactors especially if there is no available fossil fuel.
Is used for fuel nuclear reactors?
Uranium and/or Plutonium fuel
Is uranuim fuel for nuclear reactors?
yes
What is Uranium used as fuel for?
Nuclear reactors.
If uranium is not a foosil fuel then what is it?
Uranium is a radioactive element used to fuel nuclear reactors. It is a nuclear fuel.
Which actinide fuel is used in nuclear reactors?
It is Uranium
How is uranium used as a fossil fuel?
Uranium is not a fossil fuel; uranium is used as nuclear fuel for nuclear power reactors.
Where uranium is presence most crucial?
Nuclear fuel for nuclear power reactors Nuclear weapons
Are the control rods part of the fuel assemblies in nuclear reactors?
No, control rods are not a part of the fuel assemblies in nuclear reactors. They are separate "pieces" in the core, and essentially fit in "spaces" between fuel bundles.
