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Table Sa, Amount of water required for energy development (gall 106 Btu) , ~ ~ W References: (1) (2) (3) (4) Other Total M:lo Energy Development Process Min. Max. Min. Max, Aver. Aver. Aver. Aver. Coal Mining 2 0,8 1.4 Coal Slurry 23 9 16, Coal Gasification Synthane 14,5 25 Hygas 16 22 Lurgi 15.5 25 Water-cooling 72 158 Part. Air-cooling 37 79 (5) Average 15,3 24 55 118 35 83 29,4 50,7 Coal Liquefaction Synthoil 13,5 19.5 31 200 46 72 62.5 Clean Coal SRC 7,5 12.5 10, Oil Production 2.2 2.2 Gas Production 1.2 1.2 Oil Refining 6.7 6,7 5.5 6.1 Oil Shale Paraho D. 19 19 Paraho 10. 31 31 Tasca II 31 31 (5) Average 27 27 19 29 25 20 80 35,2 Tar Sands Ar! zona (6) Fuel Co. 3,6 Fairbirm 3,4 Average 2.4 3,5 3,0 Uranium 14 14 14, Power Plant Geothermal 527 527 527. Power Plant Fossil-fuel 146 146 154 Nuclear 234 234 324 Average 190 190 239 118 182.3 Note: (1) Probstein and Bold 1978. (2) David and Wood 1974. (3) Water and energy 1974. (4) Mace 1976. (5) Beychok 1975. (6) .... In the matter .... 1974. Table 5b. Estimated percent increase in the market price of the energy product for various types of energy development if treatment costs of saline water were $500/ac-ft more than treatment costs for high quality water used in conventional systems. Type of Rate of Assumed Percent Increase Water Use in Market Price Development (Based on Table 5a) Market Value of Product Coal Mining 85 x 10-6 Bc-ft/ton of coal $2S/ton 0,17% Coal Slurry 982 x 10-6 ac-ft/ton of coal $25/ton 1.9 % Coal Gasification 140 x 10-6 ac-ft/lOOO SFC $ 3/1000 SFC 2.3 % Coal Liquefaction 1100 x 10-6 ac-ft/bb1 $30/bbl 1.8% Oil Shale 625 x 10-6 ac-f t/bbl $30/bbl 1.0 % Tar Sands 53 x 10-6 ac-ft/bb1 $30/bbl 0,09% Fossil Fuel Power Plant 1.6 x 10-6 ac-ft/kW' h $0.03/kW'h 2,6 % 15