Patent ID: 8475571

Claim:
A gas purification system, comprising: a first solvent section, comprising: a first carbon dioxide (CO 2 ) absorber; a hydrogen sulfide (H 2 S) absorber; a first solvent path that routes a first physical solvent through the first CO 2 absorber and the H 2 S absorber; and a second solvent section, comprising: a second carbon dioxide (CO 2 ) absorber; a second solvent path that flows a second physical solvent through the second CO 2 absorber; and a gas path through the first and second solvent sections, wherein the first and second solvent paths are separate from one another, and the first and second physical solvents are different from one another, wherein the gas path has a gas flow direction sequentially through the H 2 S absorber, the first CO 2 absorber, and the second CO 2 absorber.