The products of the reaction emerge in the gas phase (except elemental sulfur, which is a solid) at 10.0 cubic meters/min, 320°C, and 205 kPa absolute. Assuming ideal-gas behavior, calculate the feed rate of the air in kmol/min.
The goal of the Claus process is to convert hydrogen sulfide (which is poisonous) to elemental sulfur in a two-step reaction. The process feed contains 10.0 mol% hydrogen sulfide and 90.0 mol% carbon dioxide. One-third of this stream is sent to a furnace, where the hydrogen sulfide is combusted completely with air, which is fed in the needed stoichiometric ratio at 25°C and 1 atm. The remaining two-thirds of the feed stream is mixed with the products of the combustion reaction and sent to a reactor. There, the hydrogen sulfide reacts to completion with sulfur dioxide to form elemental sulfur and water.
The products of the reaction emerge in the gas phase (except elemental sulfur, which is a solid) at 10.0 cubic meters/min, 320°C, and 205 kPa absolute. Assuming ideal-gas behavior, calculate the feed rate of the air in kmol/min.
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