Gas‐solid reactions I: A grain‐cell model for complex reactions | Zendy

Fahim M. A. | Zendy; Wakao N. | Zendy; Ford J. D. | Zendy

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Gas‐solid reactions I: A grain‐cell model for complex reactions

Author(s) -

Fahim M. A.,

Wakao N.,

Ford J. D.

Publication year - 1978

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450560612

Subject(s) - thiele modulus , thermodynamics , kinetic energy , partial differential equation , pellet , porosity , modulus , materials science , mathematics , chemistry , mechanics , mathematical analysis , physics , classical mechanics , geometry , mass transfer , composite material

A mathematical model has been developed to describe the progress of a consecutive reaction taking place in a porous spherical pellet composed of two solids. Two basic parameters are derived: a Thiele type modulus (H), and a kinetic‐structural parameter (γ). The system of partial differential equations representing the model has been solved numerically, to obtain conversion‐time relations as a function of the physical and kinetic parameters of the system. Highest conversions are obtained at low values of both γ and H.

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