Benzaldehyde is produced from toluene by the following catalytic reaction (see figure): Dry air and toluene vapor are fed to the reactor at 350 F and 1 atm. Air is supplied 100% in excess. Of the toluene that is fed to the reactor, 13% reacts to form benzaldehyde and 0.5% reacts with oxygen to form CO2 and H2O. The gases produced leave the reactor at 379 F and 1 atm. Water is circulated through the jacket surrounding the reactor, and it enters at 20 ° C and exits at 55 ° C. Calculate: a. Moles of benzaldehyde formed (mol)?Note: Do not use decimals for your answer. b. Moles of toluene that did not react (mol)? c. Moles of water generated (mol)? d. Moles of carbon dioxide generated (mole)? e. Moles of oxygen that do not react (mol)? f. Reactor heat transfer rate (kJ / h) g. Cooling water flow rate (cm3 / h)
Benzaldehyde is produced from toluene by the following catalytic reaction (see figure):
Dry air and toluene vapor are fed to the reactor at 350 F and 1 atm. Air is supplied 100% in excess. Of the toluene that is fed to the reactor, 13% reacts to form benzaldehyde and 0.5% reacts with oxygen to form CO2 and H2O. The gases produced leave the reactor at 379 F and 1 atm. Water is circulated through the jacket surrounding the reactor, and it enters at 20 ° C and exits at 55 ° C.
Calculate:
a. Moles of benzaldehyde formed (mol)?Note: Do not use decimals for your answer.
b. Moles of toluene that did not react (mol)?
c. Moles of water generated (mol)?
d. Moles of carbon dioxide generated (mole)?
e. Moles of oxygen that do not react (mol)?
f. Reactor heat transfer rate (kJ / h)
g. Cooling water flow rate (cm3 / h)
Data:
Δhvap benzaldehyde (179 ° C) = 38.40 kJ / mol
Cp benzaldehyde (Liq) = 59.42x10-2 kJ / mol
Cp benzaldehyde (vap) = 40.05x10-2 kJ / mol
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