Solution for Radial-Flow with Nonlinear Adsorptionby Surendra P. Gupta, Sr. Research Engr.; Amoco Production Co., Tulsa, Okla.,
Robert A. Greenkorn, Prof.; School of Chemical Engrg., Purdue Univ., West Lafayette, Ind.,
Serial Information: Journal of the Environmental Engineering Division, 1976, Vol. 102, Issue 1, Pg. 87-94
Document Type: Journal Paper
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.
Subject Headings: Radial flow | Adsorption | Numerical methods | Approximation methods | Water pollution | Equilibrium | Diffusion | Radiation
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