JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
COMPARISON OF STEAM GASIFICATION RATES OF VARIOUS ACTIVATED CARBONS BY TGA METHOD
ISAO MATSUIDRAGOSLAV M. MISICMOTOYUKI SUZUKI
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1984 Volume 17 Issue 1 Pages 13-19

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Abstract

Thermogravimetric analysis was utilized to study kinetics of the activated carbon-steam reaction for five different carbons. The experimental results show that the heating rate of samples has very little effect on the values of the activation energy (E) and the reaction rate constant (K). The activation energy of gasification increases and passes through a maximum as the weight of a sample decreases, except for DARCO activated carbon. Initial rate of gasification increases with steam concentration for all the carbons. The calculated activation energies and initial reaction rate constants (k1073) were between 180 and 280kJ/mol, and 2.76 × 10-5 and 3.05 × 10-4s-1, respectively.

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© The Society of Chemical Engineers, Japan
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