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I am trying to calculate the Ca/S ratio for a dry scrubber and need some clarification. For sulfur, I know the the percentage sulfur in the coal through analysis. Tons coal x % sulfur x 907184.74 g/ton / 32.0655 g/mol = Moles sulfur For calcium, I know the amount of CaO in the lime. Would I...

Thanks for the feedback. Out of curiosity, how is steam in the boiler when online less dangerous than Nitrogen while offline? The compressibility factor is about 10% more, but steam is still a pretty big energy source at 1000 F and 2500 psig.

Since this is most likely A LOT of N2, we could press up to about 130 psi with compressed air first.

My plant would like to hydro the boiler after an outage with extensive tube repairs and is throwing around the idea of using nitrogen instead of water. I have the volumes of water needed for each section, but am not sure how to convert this into the volume of nitrogen needed to perform the hydro...