Abstract
A new method of FGD-MFB was presented and the FGD-MFB experiment results showed the efficiency of the FGD-MFB could be improving not only with the enhancing of the intensity of the magnetic field, but also with the decreasing of the diameters of the magnetic particles: When the mean diameter of the magnetic particles(dp) is 220μm, the intensity of the magnetic induction(B) is 40mT,the ratio of the Ca(OH)2 and SO2 (Ca/S) is 1.85, the temperature of flue gas in inlet(T0) is 250°C, the desulphurization efficiency is up to 85.93%. Its micro-mechanism may be that Fe2O3 as an active center changed the formation laws of the desulfurization reaction and the magnetic field affected the characteristics of product and gas diffusion characteristics through by varying micro pore structure and surface layer and, which improve the utilization of calcium and the efficiency. To analyze the catalytic effect of the magnetic field and the magnetic particles on the desulphurization reaction , the instruments of EDAX、FEM and XRD were utilitzed.
Published Version
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