Journal of Physical Chemistry p. 2436 - 2441 (1980)
Update date:2022-08-18
Topics:
Gangwer, T.
At 400 deg C, the gas-phase dehydrogenation of teralin over iron catalysts is found to result in formation of naphthalene via the reaction of intermediate 1,2-dihydronaphthalene.The kinetic data for these systems were found to follow heterogeneous, first-order rate laws.A mechanism is presented which quatitatively describes the measured teralin and naphthalene kinetic behavior and successfully predicts the kinetic data observed for the 1,2-dihyronaphthalene intermediate.The rate-limiting reactions inthese systems are proposed as involving dehydrogenation/hydrogenation reactions on the surfaces of the catalysts.Based on data analysis, the rate constants for the surface reactions have values in the 1E-4-1E-5 s-1 range.The catalytic surface site populations were found to be in the range 1E13-1E14 molecules cm-2.
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