11 Sep, 2013

High Pressure Regeneration of TEG with Stripping Gas

In this article, regeneration of rich triethylene glycol (TEG) with striping gas at high pressure is investigated. Specifically, this study focuses on the determination of the required stripping gas rate as a function of the lean TEG mass percent, reboiler temperature, and the number of theoretical trays in the stripping section (NS) for a regenerator (still) column with two theoretical trays (NR). By performing rigorous computer simulations of TEG regeneration at high pressure, a series of charts for quick determination of stripping gas rates needed for facilities type calculations are developed.

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