1986•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Requires access
Process screening and selection for refinery gas processing
D.W. Stambridge, Satyandra Gupta, C.J. Wendt, J.C. Brocoff
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Abstract
Due to presence of sulfur in the petroleum crude, oil refining inherently involves sour gas treating to remove hydrogen sulfide (H/sub 2/S) formed during oil processing. Depending on the source of sour gas within the refinery, organic sulfur compounds such as carbonyl sulfide (COS), carbon disulfide (CS/sub 2/) and mercaptans (RSH) are often present and usually must also be removed. Refinery hydrogen production usually involves CO/sub 2/ removal and feed desulfurization. Presence of nitrogen in the crude results in the formation of ammonia during oil processing which is usually removed by water-wash as a pretreatment step, prior to acid gas removal.