Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Patent
1995-07-27
1996-09-24
Heyman, Leonard E.
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
60651, 252 67, 252 69, F01K 2506
Patent
active
055579361
ABSTRACT:
A system for generating power as a result of an expansion of a pressurized working fluid through a turbine exhibits improved efficiency as the result of employing a tri-component working fluid that comprises water, ammonia and carbon dioxide. The pH of the working fluid is maintained within a range to prevent precipitation of carbon-bearing solids (preferably between 8.0 to 10.6). The working fluid enables an efficiency improvement in the Rankine cycle of up to 12 percent and an efficiency improvement in the Kalina cycle of approximately 5 percent.
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Heyman Leonard E.
Ktorides Stanley
Praxair Technology Inc.
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