Latest / Deep End Era. Engineering with Sankalp
Absorption and Stripping Columns: Packed vs Tray Hydraulics, Mass Transfer Units, Flooding, Maldistribution, and Acid Gas Removal Beyond Amines
Train B at a sour gas plant has just come back from turnaround with brand-new high-capacity structured packing that should give twenty-five percent more theoretical stages than the trays it replaced. Instead, pipeline hydrogen sulfide is creeping past four parts per million, differential pressure is suspiciously low, and turning up the lean amine pumps makes the outlet worse. To find out why, we build absorption and stripping columns from first principles: two-film mass transfer, Kremser stages, Chilton-Colburn transfer units, tray and packing hydraulics, liquid maldistribution, and the…
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