Abstract
Sulfur dioxide can be eliminated by zinc oxide dust. The process conditions for the direct absorption of sulfur dioxide by the slurry were discussed in this paper. The influence of the variables like the ratio of liquid to liquid, the ratio of liquid to gas, the concentration of SO2 gas, and the gas velocity on the desulfurization efficiency were investigated. The desulfurization effect of using high-efficiency atomizing nozzle is better than that of vortex nozzle. As the solid content of zinc oxide slurry reaches above 45%, the rate of increase of desulfurization efficiency becomes lower, and even a decreasing trend appears at the later stage.
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