A Tutorial on Thermodynamics - University of Illinois at Urbana ...

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Thermodynamic limits for distillation Real-world distillation processes (multi-stage)work far from the thermodynamic limit. T cdW H 1dV Th Even for ∆T=10 K, this is 15 times worse thanthe thermodynamic limit.16Mark A. Shannon http://watercampws.uiuc.edu
But maybe sometimes heat is free, i.e.,“waste heat”? Low-grade (low temperature) heat sourcethat is not feasible to use in electrical powergeneration might be used to purify water. But keep in mind that high efficiency powergeneration uses low temperature heat sinks.Not much of the heat is “wasted”17Mark A. Shannon http://watercampws.uiuc.edu
Page 3 and 4: Second Law of ThermodynamicsSourceT
Page 5 and 6: Cooling requirements inpower genera
Page 7 and 8: Why not use more air cooling? Volum
Page 9 and 10: Why not use more air cooling? Combi
Page 11 and 12: Thermodynamics of water purificatio
Page 13 and 14: Thermodynamics of water purificatio
Page 15: Thermodynamic limits for a distilla

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