Case studies of troubleshooting amine treating foaming—Part 2

D. Engel, Nexo Solutions, The Woodlands, Texas; B. Spooner, Sulphur Experts and Amine Experts, Kemah, Texas; and M. Sheilan, Sulphur Experts and Amine Experts, Calgary, Canada In Part 2 of this article, a second real case is presented for troubleshooting of an amine unit with foaming problems. Several foaming root causes have been determined throughout the years; however, a systematic root cause analysis is perhaps the best way to determine the origin of the foam. Whether the foam is intermittent or constant, the location of the foam (contactor or regenerators) and the position of the foam in the tower will provide valuable clues to the possible foam origin. From this information, a mitigat