Dennis G Alexion, Robert B Fedich, John C Wilbur, James H Taylor, James P Glass, Geoffrey R Say, Richard P O Connor: Production of low sulfur syngas from natural gas with C4+/C5+ hydrocarbon recovery. Exxonmobil Research And Engineering Company, September 25, 2003: US20030178342-A1

Sour natural gas is processed to remove the sulfur compounds and recover C4+/C5+ hydrocarbons by scrubbing the gas with an amine solution to remove most of the sulfur, followed cooling the gas to remove C4+/C5+ hydrocarbons and more sulfur compounds as liquid condensate to produce a gas having less ...