Claus Tail Gas

LO-CAT® Increases Flexibility and Efficiency of Claus Unit at an East Texas Gas Processing Plant

Gas Processing plants worldwide are facing hydrogen sulfide removal challenges particularly where capacity and purity levels fluctuate widely. Anadarko Petroleum's gas processing plant in East Texas is a case in point. Their decision to incorporate the LO-CAT® liquid redox technology in the Claus Tail Gas unit enabled the plant to handle turndown as great as 6:1. As a result, Anadarko is able to achieve removal efficiencies of greater than 99.9% across the Claus/Hydrolysis/Liquid Redox train (see Fig. 1) while allowing 100% turndown by the sulfur recovery unit.

See Process Diagram.

See Full Case History (pdf).

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