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The Neches Butane Products Co. makes butadiene, C4H6, by separating butenes, C4H8, from refinery gases piped to them, and then further...
The Neches Butane Products Co. makes butadiene, C4H6, by separating butenes, C4H8, from refinery gases piped to them, and then further dehydrogenating the butenes to butadiene. In order to increase capacity they would like to be able to dehydrogenate butane, C4H10, in one step without the intermediate separation of the butane. The C4H6 formed would be separated, and any unreacted C4H10 or C4H8 would be recycled to the reactor. One of the large engineering companies claims to have such a process. You have just been employed by Neches B.P. Co. ------fresh from school ------- and are requested to make some calculations on the proposed process: C4H10 (l) -------- C4H6 (g) + 2H2 (g) By heat exchange, the butane fed into the reactor is brought to the reaction temperature of 1000 K. It is desired to maintain an isothermal reactor. How much heat must be added or removed per g mole of butadiene formed? Assume the pressure is 100 kPa. What are some reasons why the heat load may be different from the value you calculate?
