Patent ID: 8038779

Claim:
A gas removal system for an integrated gasification combined cycle, said gas removal system comprising: at least one start-up pump configured to operate at a first pressure; a first absorber coupled to said at least one start-up pump, said first absorber configured to operate from the first pressure to a second higher pressure; a first rich solvent tank coupled to said first absorber, said first rich solvent tank configured to receive a first emissions-rich solvent discharged from said first absorber during start-up operation of the integrated gasification combined cycle; a first stripper coupled to said first rich solvent tank, said first stripper configured to facilitate removing gases from the first emissions-rich solvent; a second absorber configured to receive gases removed from the first emissions-rich solvent to create a second emissions-rich solvent, wherein said second absorber comprises a tail gas treating unit; and a second rich solvent tank configured to store the second emissions-rich solvent.