Phosphine absorption tower
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I’m seeking advice from experts on a design scheme. The required air handling volume is 8000 m3/h, with a pressure loss of less than 700 Pascals; the absorption efficiency must be 95% or higher. The hydrogen phosphide concentration at the exhaust outlet should be less than or equal to 0.2 ppm, while the concentration at the inlet is approximately 500 ppm. What should be the size of the absorption tower? Multi-faced hollow sphere packing should be used inside the tower – how tall should the packing layer be?
I’m not sure about this, but it seems that nitric oxide is absorbed at the fourth level.