naР is also discussed in t his paper.Р(上接第 28 页)Р Abs t rac t : Desulphurization wit h limestone was conducted in a bench scale Circulating FluidР ized Bed (CFB) wit h 5 000 mm height and 150 mm inner diameter. The O2 , CO and SO2Р profile was measured along the f urnace , and t bustion and desulp hurization at mosР phere in CFB was confirmed to be reductive , which is totally different from t hat one in BubР bling Fluidized Bed (BFB) condition. The result s show t hat t he caption efficiency of sulf urР wit h limestone under CFB condition is obviously higher t han t hat under BFB condition noР mater t he limestone particle size distribution is coarse or fine. The deference of t he desulР phurization efficiency between under t hese two conditions es more for t he fine limeР stone particle.
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