Research Article
Feb 1976
Solution for Radial-Flow with Nonlinear Adsorption
Authors: Surendra P. Gupta and Robert A. GreenkornAuthor Affiliations
Publication: Journal of the Environmental Engineering Division
Volume 102, Issue 1
Abstract
A nonlinear convective diffusion equation is obtained for a radial flow with Freundlich equilibrium adsorption. Numerical solution by explicit or implicit finite difference approximation requires large computation time and suffers from the error due to numerical dispersion. The equation is solved by an efficient and higher order finite difference approximations, i.e., the Crank-Nicolson method. The solution is presented for the movement of pollutants from a point source. The numerical solution is useful for studying the spatial and temporal movement of the chemicals from contaminated water.
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Published In
Journal of the Environmental Engineering Division
Volume 102 • Issue 1 • February 1976
Pages: 87 - 94
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Feb 1976
Published online: Feb 11, 2021
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Authors
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Surendra P. Gupta
Sr. Research Engr., Amoco Production Co., Tulsa, Okla.
Robert A. Greenkorn
Prof., School of Chemical Engrg., Purdue Univ., West Lafayette, Ind.
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