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Coke can be converted into CO—a fuel gas—in the reaction
CO2(g) + C(s) → 2CO(g)
A coke that contains 84.0% carbon by mass and the balance
noncombustible ash is fed to a reactor with a stoichiometric amount
of CO2.
The coke is fed at 77.0°F, and the CO2 enters at
400.0°F, heat is transferred to the reactor in the amount of 5559
Btu/lbm coke fed.
The gaseous products and the solid reactor effluent (the ash and
unburned carbon) leave the reactor at 1830°F.
The heat capacity of that solid is 0.240 Btu/(lbm
°F).
Calculate the percentage conversion of the carbon in the coke.
_______%