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Nuclear cannibals
Date:3/4/2008

missions, he explains.

Nuclear may stack up against the rampant fossil-fuel combustion we see today, but only by a factor of 12. This means that if nuclear power were taken as the major option over the next forty years or so, we would be in no better a position in terms of emissions and reliance on a single major source of energy than we are today given the enormous growth nuclear required over that timescale.

Pearce's analysis is based on current practice in the United States with regard to the mining and enrichment of ore. He suggests that rather than abandoning nuclear power, efforts should be made to improve its efficiency considerably. First, we could start utilizing only the highest-concentration ores and switch to fuel enrichment based on gas centrifuge technology, which is much more energy-efficient than current gaseous diffusion methods.

Nuclear plants might be used as combined heat and power systems so the "waste" heat is used, rather than allowing them to vent huge quantities of heat to the environment at the end of the electricity generation cycle. Pearce also suggests that we could "down-blend" nuclear weapons stockpiles to produce nuclear power plant fuel.


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Contact: Albert Ang
a.ang@inderscience.com
Inderscience Publishers
Source:Eurekalert

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