Sulfur dioxide is oxidized to sulfur trioxide in a small pilot-plant reactor. SO2 and 100% excess air are fed to the reactor at 450 °C. The reaction proceeds to a 65% SO2 conversion, and the products emerge from the reactor at 550 °C. The production rate of SO3 is 1.00 Х102 kg/min. The reactor is surrounded by a water jacket into which water at 25 °C is fed. a) Calculate the feed rates (standard cubic meters per second) of the SO2 and air feed streams and the extent of reaction, ?̇(kmol/s). b) Calculate the standard heat of the SO2 oxidation reaction, ∆?̂? °(kJ/mol). Then, taking molecular species at 25 °C as references, prepare and fill in an inlet–outlet enthalpy table and write an energy balance to calculate the heat (kW) that must be transferred from the reactor to the cooling water. c) Calculate the minimum flow rate of the cooling water if its temperature rise is to be kept below 15 °C
Sulfur dioxide is oxidized to sulfur trioxide in a small pilot-plant reactor. SO2 and 100% excess air are fed to the reactor at 450 °C. The reaction proceeds to a 65% SO2 conversion, and the products emerge from the reactor at 550 °C. The production rate of SO3 is 1.00 Х102 kg/min.
The reactor is surrounded by a water jacket into which water at 25 °C is fed.
a) Calculate the feed rates (standard cubic meters per second) of the SO2 and air feed streams and the extent of reaction, ?̇(kmol/s).
b) Calculate the standard heat of the SO2 oxidation reaction, ∆?̂?
°(kJ/mol). Then, taking molecular species at 25 °C as references, prepare and fill in an inlet–outlet enthalpy table and write an energy balance to calculate the heat (kW) that must be transferred from the reactor to the cooling water.
c) Calculate the minimum flow rate of the cooling water if its temperature rise is to be kept below 15 °C
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