Patent ID: 9433893
Filing Date: 2016-09-06
CPC Classification: B01D,B01J,C01B,Y02P

Claim Text:
1. A gas processing plant, comprising: a Claus reactor system having a thermal stage comprising a burner and a reaction furnace, a catalytic stage comprising a first catalytic reactor, a first sulfur condenser fluidly coupled between the thermal stage and the catalytic stage, and an oxygen source configured to provide an oxygen rich gas stream; wherein the thermal stage is configured to receive an acid gas stream, an air stream, a recycle stream, and a first portion of the oxygen rich gas stream; wherein the first catalytic reactor is configured to receive a first gaseous effluent from the first sulfur condenser and a second portion of the oxygen stream, and to produce a first catalytic reactor effluent; wherein the recycle stream is a portion of the first gaseous effluent from the first sulfur condenser; and a second sulfur condenser fluidly coupled to the first catalytic reactor and configured to receive the first catalytic reactor effluent and to produce a second gaseous effluent.