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Method for processing ash, and an ash processing plant
Method for processing ash, and an ash processing plant
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机译:处理灰的方法和灰处理厂
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摘要
In a method for processing ash, fly ash is separated from a product gas flow obtained from gasification of fuel, which fly ash is burned in fluidized bed combustion to reduce the carbon content of the ash. After this, the flue gases from the combustion are processed. In a first step, the ash is burned in fluidized bed combustion (fluidized bed reactor 1) at a temperature of not higher than 800° C. to reduce the carbon content, and in a second step, the flue gases a burned in an independent combustion process (combustion chamber 7), the combustion conditions reaching the temperature of at least 850° C.
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