Patent ID: 8636500
Filing Date: 2014-01-28
Classification: F22B,F23C,F23J,F23L,F23N,Y02E

Abstract:
1. A method of operating an oxy/fuel combustion system during startup to enable enhanced CO2 recovery, comprising: providing a combustion system comprising: initiating circulation of a support gas in the combustion system prior to activating the first burner group; activating the first burner group while continuing circulation of the support gas, to produce a combustion fluid including CO2, such that a level of the CO2 in the combustion fluid increases as a function of time; and continuing production of the combustion fluid to exceed a predetermined level of CO2 in the combustion fluid, for a period of time, the predetermined level being sufficient to permit the CO2 to be purified by a CO2 purification unit.