Gas treating engineers

Gas treating (FLEXSORB™)  

FLEXSORB™ technology and services are designed for the selective removal of H2S in the presence of CO2. Utilizing proprietary severely sterically hindered amines enables the FLEXSORB SE solvent to achieve high H2S cleanup selectively at low solvent circulation rates.

ExxonMobil’s FLEXSORB SE and SE PLUS solvents are used in a variety of gas treating applications including acid gas removal (AGR), acid gas enrichment (AGE) and tail gas cleanup units (TGCU). FLEXSORB technology easily fits into natural gas processing (including onshore and offshore), refining and petrochemical operations using standard gas treating equipment.

The technology and absorbents have been widely applied in petroleum refining, natural gas production and petrochemical operations. The FLEXSORB solvents have been applied successfully at offshore and onshore production sites around the world.

The feed gas is contacted countercurrently with lean FLEXSORB SE solution in the absorber tower. With low-pressure applications, it is recommended that the top of this tower include a water wash zone to minimize the loss of FLEXSORB SE amine with the treated gas. The water wash purge is combined with the rich amine to recover the FLEXSORB SE amine.

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