Patent ID: 9528062
Filing Date: 2016-12-27
CPC Classification: C10L,Y02C

Claim Text:
1. A process for treating a natural gas stream comprising: a) sending said natural gas stream to an absorbent unit containing a chemical solvent and a physical solvent for removal of carbon dioxide, hydrogen sulfide, carbonyl sulfide and organic sulfur compounds to produce a partially purified natural gas stream; b) then sending said partially purified natural gas stream to a dehydration unit to remove water to produce a natural gas product stream; and c) removing said sulfur compounds from said absorbent unit to produce a liquid comprising said sulfur compounds and d) regenerating said absorbent unit by removing a regeneration gas containing sulfur compounds and water, cooling said regeneration gas to knock out water, then compressing said regeneration gas followed by cooling to condense a majority of said regeneration gas.