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Presentation

Detailed Observation of Coal-Ammonia Co-Combustion Processes

Noriaki NakatsukaJunpei FukuiKazuki TainakaHidetaka HigashinoJun HayashiFumiteru Akamatsu

Coal-fired power generation is supplying about 30% of the world’s primary energy. Almost all of coal-fired power plants in Japan employ the pulverized coal combustion method. In the pulverized coal combustion, coal is pulverized into a powder of several tens of microns. This method enables to burn coal effectively because of the large surface to volume ratio. Pulverized coal particles are supplied to the actual boilers with primary air whose Air/Coal ratio (mass flow rate of primary air/mass flow rate of pulverized coal) is set to 2.0. Co-combustion of coal with ammonia has been studied with the aim of reducing…