Modeling Heat and Mass Transfer in Packed Bed Reactors

Published Paper PDF: PDF

Devansh Aneja

Independent Researcher

India

ABSTRACT
Modeling of heat and mass transfer in packed bed reactors is central to optimizing performance in catalytic, adsorption, and reaction processes. This manuscript reviews fundamental transport phenomena governing single-phase and multiphase flows through random and structured packings, presents three industrially relevant case studies from 2000–2014, details a mathematical and numerical methodology rooted in porous-media theory, and reports simulation results validated against experimental data. Emphasis is on diffusion regimes, axial dispersion, effective thermal conductivity, and interphase transfer coefficients using correlations available up to 2014. Conclusions highlight model accuracy, limitations, and recommend directions for improved scale-up. Ten key references, all published by the end of 2014, support the analysis.

KEYWORDS
Packed bed reactors, heat transfer, mass transfer, modeling, porous media

REFERENCES

Kunii, D., Levenspiel, O. (1969). Fluidization Engineering. Wiley.
Wakao, N., Kaguei, S. (1982). Heat and Mass Transfer in Packed Beds. Gordon & Breach.
Ergun, S. (1952). “Fluid flow through packed columns.” Chemical Engineering Progress, 48(2), 89–94.
Levenspiel, O. (1999). Chemical Reaction Engineering, 3rd ed. Wiley.
Gnielinski, V. (1976). “New equations for heat and mass transfer in turbulent pipe and channel flow.” International Chemical Engineering, 16(2), 359–368.
Ranz, W.E., Marshall, W.R. (1952). “Evaporation from drops. Part I. Chem. Eng. Prog.,” 48(3), 141–146.
Sircar, S. (2008). “Activated carbon for gas separation and purification.” Carbon, 46(3), 1–19.
Dry, M.E. (2011). “The Fischer–Tropsch process: 1950–2000.” Catalysis Today, 71(3–4), 227–241.
Yang, R.T., Sircar, S. (2005). Gas Separation by Adsorption Processes. Butterworth-Heinemann.
Patience, G.S., Ball, M.J., Beasley, C.A., Maitland, G.C., et al. (2004). “Anisotropic thermal conductivity in packed beds.” AIChE Journal, 50(9), 2041–2055.