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Nuclear Fuel Energy and CO2 Balance Calculator

(last updated 23 Nov 2009)
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Calculate material, energy, and CO2 emission balance for the front end of the nuclear fuel chain.

Enter a value into any one field of the flow chart and click the "Calculate" button below. HELP new window
"t" means metric tonne.

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Uranium Mine–> t Waste Rock
|
t Uranium Ore (= t U)
|
Uranium Mill–> t tailings solids
m3 tailings liquid
|
t U3O8 (= t U) 
|
Conversion Plant–>t solid waste
m3 liquid waste
|
t UF6 (nat) (= t U) 
|
Enrichment Plant
SWU
–> t UF6 (depleted) (= t U)
|
t UF6 (enriched) (= t U) 
|
Fuel Fabrication Plant–>m3 solid waste
m3 liquid waste
|
t UO2 (= t U)
|
Nuclear Power Plant–> t spent fuel
|
Electricity Production
GWhe ( = GWae)

 

 Energy ConsumptionCO2 Emission
 Fossil FuelElectricityfrom
fossil fuel
from
electricity
Total
 [TJ]= [GWhth][GWhe][t][t][t]
Mining
Milling
Conversion
Enrichment
Fuel Fabrication
Total

Charts

Contribution of process steps (top) and energy forms (bottom) to energy consumption and emissions

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    Process Parameters    
Ore Deposit Waste/Ore Ratio:  ·  Ore Grade: wt-% U
Mill Extraction Losses: %
Solids in tailings effluent: wt-%
Conversion Losses: %
Solid waste: t per t U  ·  Liquid waste: m3 per t U
Enrichment Product Assay: wt-% U-235  ·  Tails Assay: wt-% U-235
Fuel Fabrication Losses: %
Solid waste: m3 per t U  ·  Liquid waste: m3 per t U
Power Plant Fuel Burnup: GWd/t U  ·  Efficiency: %

    Energy Consumption Parameters    
 Fossil FuelElectricity
Mining MJ per t ore
MJ per t waste rock
kWhe per t ore
kWhe per t waste rock
Milling MJ per t ore kWhe per t ore
Conversion MJ per kg U kWhe per kg U
Enrichment MJ per SWU kWhe per SWU
Fuel Fabrication MJ per kg U kWhe per kg U

    Emission Parameters    
 Fossil FuelElectricity
CO2 t per TJ t per GWhe


> See also:

 

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