Patent ID: 9575479
Date: 2017-02-21
CPC Classifications: C01B,C10J,F16J,G05B,Y02E,Y02P

Claim:
1. A system, comprising: a syngas cooler configured to cool a syngas, wherein the syngas cooler comprises a seal configured to block the syngas from a passage between an outer wall of the syngas cooler and a tube cage of the syngas cooler; a compatible seal gas system configured to supply a compatible seal gas to the seal of the syngas cooler, wherein the compatible seal gas system comprises a hydrogen sulfide absorber; a syngas treatment system configured to be fluidly coupled to the syngas cooler and the compatible seal gas system, wherein the syngas treatment system is configured to receive the syngas and generate a partially treated syngas, wherein the syngas treatment system comprises an acid gas removal (AGR) system configured to remove an acid gas from the partially treated syngas to generate a treated syngas; and a flow path extending from the syngas treatment system to the compatible seal gas system, wherein the flow path is configured to supply at least a portion of the partially treated syngas to the hydrogen sulfide absorber of the compatible seal gas system, wherein the hydrogen sulfide absorber is configured to remove hydrogen sulfide from the portion of the partially treated syngas and to generate the compatible seal gas.