Abstract
Pulverized-coal combustion under oxygen and recycle flue gas (Oxy-fuel combustion) is expected to be one of the promising systems on CO_2 recovery from pulverized-coal fired power plant. The research and development on Oxy-fuel combustion technology had advanced under the Clean Coal Technology Program from 1992. It can be suggested through these studies that Oxy-fuel combustion system is the economical and effective systems for CO_2 recovery from the pulverized-coal fired power plant. Feasibility study has been now carried out toward the demonstration of Oxy-fuel. Combustion test of three kinds of Australian coal was carried out using the pilot-test facilities in order to confirm the flame stability and combustion characteristics in it. In this paper, we introduce the test results with both air and oxy-fuel combustion.