Method and system for regenerating an amine-containing scrubbing solution obtained during gas purification
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United States of America Patent
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Jun 11, 2013
Grant Date -
Nov 11, 2010
app pub date -
Aug 12, 2008
filing date -
Oct 9, 2007
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Abstract
A method for regenerating an amine-containing scrubbing solution which is obtained during gas purification and in which CO2 and sulfur compounds are chemically bonded, as well as a system that is suitable for carrying out the method. The contaminated scrubbing solution is heated, compressed, and expanded in several stages such that CO2 and sulfur compounds are separated. The expanded scrubbing solution is subdivided into two partial streams, and one partial stream is recirculated into the process.
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