INTEGRATED HYBRID MEMBRANE/ABSORPTION PROCESS FOR CO2 CAPTURE AND UTILIZATION
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United States of America Patent
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Issued Date -
May 15, 2014
app pub date -
Nov 15, 2012
filing date -
Nov 15, 2012
priority date (Note) -
Abandoned
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Abstract
A two-stage process for upgrading a gaseous stream containing CO2 and H2S in which the gaseous stream and pressurized water are provided to a first stage absorption process in which a portion of the CO2 is absorbed by the pressurized water. The reduced-CO2 gaseous stream and a chemical solvent suitable for absorbing CO2 and H2S are provided to a second stage absorption process in which the H2S and remaining CO2 are removed from the gaseous stream, producing an acid gas stream and an upgraded gaseous stream meeting pipeline-quality specifications.
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