0208s05resoueval -...

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1.818J/2.65J/3.564J/10.391J/11.371J/22.811J/ESD166J SUSTAINABLE ENERGY Prof. Michael W. Golay Nuclear Engineering Dept. 1
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RESOURCE EVALUATION AND DEPLETION ANALYSES 2
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WAYS OF ESTIMATING ENERGY RESOURCES • Monte Carlo • “Hubbert” Method Extrapolation • Expert Opinion (Delphi) 3
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FACTORS AFECTING RESOURCE RECOVERY • Nature of Deposit • Fuel Price • Technological Innovation – Deep drilling – Sideways drilling – Oil and gas field pressurization –Hydrofracturing – Large scale mechanization 4
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5 URANIUM AREAS OF THE U.S. Courtesy of U.S. Atomic Energy Commission.
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MAJOR SOURCES OF URANIUM Class 1 – Sandstone Deposits U 3 O 8 Concentration Share (Percent) Tons U 3 O 8 New Mexico .49 Wyoming .36 Utah .03 Colorado .03 Texas .06 Other .03 Class 2 – Vein Deposits Class 3 – Lignite Deposits Class 4 – Phosphate Rock Class 5 – Phosphate Rock Leached Zone (Fla.) Class 6 – Chattanooga Shale Class 7 – Copper Leach Solution Operations Class 8 – Conway Granite Class 9 – Sea Water 0.25 0.20 0.32 0.28 0.28 0.28 0.01-0.05 0.015 0.010 0.006 0.0012 0.0012-Uranium 0.0050-Thorium 0.33x10 -6 Total 315,000 Š $10/lb 7,100 1,200 54,600 2,557,300 30,000 1x10 6 4x10 6 4x10 9 6
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ESTIMATES OF URANIUM AVAILABILITY FROM GEOLOGICAL FORMATIONS AND OCEANS IN THE U.S. Conventional Shale Shale Shale Granite Granite Seawater 60-80 ppm 25-60 ppm 10-20 ppm 10-25 ppm 4-10 ppm 0.003 ppm S 10 S 30 0 2 4 6 8 200 1800 4000 Mi ll io ns of To U 3 O 8 700-2100 ppm # # Figure by MIT OCW.
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DECLINE IN GRADE OF MINED COPPER ORES SINCE 1925 8 Figure removed for copyright reasons.
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RECOVERY BY IN-SITU COMBUSTION 9
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0208s05resoueval -...

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