Print: | ISSN 0256-1115 |
Online: | ISSN 1975-7220 |
Korean Journal of Chemical Engineering,
Vol.12, No.4, 478-480, 1995 KINETICS OF STEAM REFORMING OVER A Ni/ALUMINE CATALYST
Steam reforming of methane over a commercially available, nickel/alumina catalyst was experimentally studied. The reactor employed for the study was made of 7mm i.d. quartz tube and catalyst particles were 0.84-1 mm in size. The amount of catalyst charge in the reactor was around 0.3 gram. Experiments were carried out varying the steam to methane ratio in the feed gas from 1 to 10 and reaction temperature from 823 to 1073 K. Nitrogen gas was used to control partial pressure of methane and steam. Using Marquardt method reaction rate derived from the experiments was fitted to
reaction rate = 1,527 exp(-14,820/RT)P1.042CH4P-0.9577H2O
Thus reaction order was close to one for methane and close to minus one for steam, respectively.
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