According to the rheological behavior of coal slurry and white mud blended with water

a kind of uniformly mixed coal-mud slurry was prepared for pipeline transportation.Through changing the Ca/S ratio and the boiler operation parameters

the desulfurization effect of white mud and coal slurry mixture on fluidized bed boiler was obtained.The results showed that

the total desulfurization efficiency of the 160 t/h fluidized bed boiler reached up to 90% with bed temperature at 900 ℃

excess air coefficient at 1.5 and Ca/S mole ratio at 2.45.Under the condition that the limestone purity was 0.85

the water content in white mud was 45% and the white mud purity was 0.50

the annual running cost of desulfurization by coal-mud mixture was half of that by limestone.Moreover

the desulfurization efficiency of the coal-mud mixture was significantly higher than that of the limestone.