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<br />CONTENTS <br /> <br />1-4 <br />U1 <br /><D <br />--.I <br /> <br />FIGURES <br />TABLES . <br />CONVERSION FACTORS <br /> <br />1. <br /> <br />INTRODUCTION AND CONCLUSIONS <br /> <br />2. <br /> <br />l.l Conclusion - Coal Gasification <br />l.2 Conclusions--Surface Retorting of Oil Shale <br />l.3 Conclusions--Modified In Situ Shale Retorting of Oil Shale <br /> <br />WASTEWATER STREAMS IN COAL GASIFICATION <br /> <br />2.1 Three Wastewater Streams. . <br />2.2 Run-off. . . . . . . . . . . <br />2.3 Waste from Boiler Feed Water Preparation <br /> <br />2.3.l <br />2.3.2 <br /> <br />Quantities of Boiler Feed Water . <br />Quantities, Quality & Disposal of Ion Exchange <br />Regenerant Waste ...... <br />Qu~~tities, Quality & Disposal of Reverse <br />Osmos is Was te <br /> <br />2.3.3 <br /> <br />2.4 Cost of Evaporation <br /> <br />2.5 Quantities and Qualities of Process Condensate <br />2.6 A Cooling Tower as a Water Trea~~ent . . . . . <br />2.7 Wastewater Treatment for Internal Plant Reuse <br />2.8 Quantities, Qualities and Disposal of Cooling Tower <br />Slowdown ........ <br /> <br />2.8.1 <br />2.8.2 <br />2.8.3 <br /> <br />Quanti t:y and Qua li ty <br />Disposal. . . <br />Treatment and Costs <br /> <br />2.9 Domestic Wastes from Plant <br /> <br />References . . <br /> <br />3. <br /> <br />WASTE WATER STREAMS IN THE SURFACE RETORTING OF OIL SHALE <br /> <br />3.1 Water Management. . . . . . . . . . . . <br />3,2 Run-off. . . . . . . . . . . . . . . . . <br />3.3 High Total Dissolved Solids Wastewaters <br /> <br />3.3.1 <br />3.3.2 <br /> <br />Sailer Feedwater Makeup Treatment Slowdown <br />COOling Tower Blowdown <br /> <br />3.4 Retorting and upgrading Wastewaters <br />3.5 Sour Water Stripper Wastewater <br />3.6 Domestic Waste from Plant. <br /> <br />References . . . . . . . . <br /> <br />4. <br /> <br />MODIFIED IN SITU SHALE RETORTING <br /> <br />4.1 Water Management . . . . . <br />4.2 Excess Mine Drainage Water <br /> <br />1":' <br /> <br />Page <br /> <br />iv <br /> <br />v <br /> <br />vii <br /> <br />1 <br /> <br />1 <br />7 <br />10 <br /> <br />14 <br /> <br />14 <br />14 <br />16 <br /> <br />16 <br /> <br />18 <br /> <br />25 <br /> <br />2S <br /> <br />27 <br />30 <br />34 <br /> <br />43 <br /> <br />44 <br />48 <br />48 <br /> <br />59 <br /> <br />50 <br /> <br />53 <br /> <br />53 <br />6l <br />61 <br /> <br />61 <br />62 <br /> <br />64 <br />68 <br /> <br />68 <br /> <br />69 <br /> <br />70 <br /> <br />70 <br />76 <br />