In this tip of the month (TOTM), we will demonstrate how a process simulation program can be used to determine the distribution and concentration of different sulfur-containing compounds (e.g. mercaptans) in an NGL fractionation (NF) plant. For this purpose an NF plant containing five fractionation columns with a sour natural gas liquid (NGL) feed was simulated to determine the distribution and concentration of sulfur containing compounds in different product streams.    

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