How is the desulfurization efficiency calculated?
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The general desulfurization efficiency is calculated using concentration values: (C1-C2)/C1*100%, where C1 and C2 represent the SO2 concentration values before and after purification, respectively (mg/m3). But our factory uses a desulfurization tower for desulfurization, and after calculations, it was found that the total amount of flue gas decreases due to absorption after passing through the tower; therefore, I don’t understand how to calculate the desulfurization efficiency in this case Should it be calculated using the formula above, or based on the mass of SO2? For example: (C1*V1-C2*V2)/(C1*V1) *100%, where V1 and V2 represent the total volume of flue gas before and after entering the tower, respectively (in m3).
It seems like the first formula is the one available online. ，，