Diabatic distillation column
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United States of America Patent
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Oct 11, 2022
Grant Date -
Jan 7, 2021
app pub date -
Nov 30, 2018
filing date -
Mar 15, 2018
priority date (Note) -
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Abstract
Diabatic distillation column 1 includes first and second cooling devices 11, 12 configured to indirectly cool fluid in rectifying section 2 with a circulating working fluid, first and second heating devices 21, 22 configured to indirectly heat fluid in stripping section 3 with the circulating working fluid, first compressor 31 configured to compress the working fluid from first cooling device 11 on first circulation path P11-P14 between first cooling device 11 and first heating device 21, second compressor 32 configured to compress the working fluid from second cooling device 12 on second circulation path P21-P24 between second cooling device 12 and second heating device 22, first expansion device 41 configured to expand the working fluid from first heating device 21 on first circulation path P11-P14, and second expansion device 42 configured to expand the working fluid from second heating device 22 on second circulation path P21-P24.
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