2 3232A process and system is provided for separating a feed gas stream containing methane at least one Ccomponent at least one C component and optionally heavier components into a volatile gas stream containing a major portion of the methane and at least one C component and a less volatile stream containing a major...

Apparatus and methods for recovering sulfur from acid gases. Acid gases containing relatively high amounts of carbonyl sulfide and/or one or more types of mercaptans can be treated in a sulfur recovery system employing an acid gas enrichment zone and a tail gas treatment zone where partially loaded sulfur absorbing ...