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(Comprehensive Problem on multiple reactions with heat effects) Styrene can be produced from ethylbenzene by the following reaction: However, several imeversible side reactions also occur:

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(Comprehensive Problem on multiple reactions with heat effects) Styrene can be produced from ethylbenzene by the following reaction: However, several imeversible side reactions also occur: ethylbenzenebenzene+ethyleneethylbenzene+H2toluene+methane [J. Snyder and B. Subramaniam. Chem. Eng. Sci., 49, 5585 (1994)]. Ethylbenzene is fed at a rate of 0.00344kmol/s to a 10.0m3PFR (PBR) along with inert steam at a total pressure of 2.4atm. The steam/ethylbenzene molar ratio is initially [i.e., parts (a) to (c)] 14.5:1 but can be varied. Given the following data, find the exiting molar flow rates of styrene, benzene, and toluene along with S~S/BT for the following inlet temperatures when the reactor is operated adiabatically. (a) T0=800K (b) T0=930K (c) T0=1100K

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