HEAT RECOVERY IN ABSORPTION AND DESORPTION PROCESSES USING A REDUCED HEAT EXCHANGE SURFACE
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
Jun 27, 2012
filing date -
Jul 25, 2011
priority date (Note) -
Abandoned
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Abstract
A process for the removal of components to be separated from technical gases by way of an absorption and desorption processes using liquid absorbents, at least part of the laden solution leaving the absorption device being branched off before being heated and fed to the top of the heat transfer section. This laden part-stream being heated by the steam rising from the bottom part of the desorption device via heat exchange in the heat transfer section. The residual stream of cold, laden solution leaving the absorption device being pre-heated via heat exchange with the hot, regenerated solution leaving the desorption device, with the heat exchange being configured such that the total heat exchange surface required for the absorption and desorption process is reduced.
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