Marathon uses mol sieve to remove mercaptan from gas stream

Mark E. TreeshRichard J. AvesMarathon Oil Co.HoustonAt its Indian Basin gas plant, Marathon Oil Co. is using molecular sieve for primary mercaptan removal and Selexol for treating the regeneration gas to meet pipeline specifications. The gas streams meet pipeline specifications and the NGL stream recovered downstream from mercaptan removal also complies with pipeline sulfur specifications without further treating.Molecular sieves are commonly used to remove water from high-pressure gas streams and mercaptans and other contaminants from liquid product streams. Only a few plants worldwide, however, use molecular sieves to remove mercaptan compounds from process gas streams. Most of those pl...

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