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Use of a Pump As Turbine (PAT) in CO2 Capture Process to Recover Energy of High-Pressure Streams Disclosure Number: IPCOM000216332D
Publication Date: 2012-Mar-30

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This novel concept can be applied to several of the CO2 capture technologies (e.g., a Chilled Ammonia Process (CAP) and Advanced Amine Process (AAP)) in order to reduce energy demand. The CAP and AAP include an absorber unit, and a regenerator unit . Lean solution from the regenerator is returned to the absorber, necessitating some means of pressure reduction.