About Us | Help Videos | Contact Us | Subscriptions
 

Abstract

 

This article in SSSAJ

  1. Vol. 35 No. 6, p. 894-899
     
    Received: Apr 13, 1971
    Accepted: July 29, 1971


 View
 Download
 Alerts
 Permissions
Request Permissions
 Share

doi:10.2136/sssaj1971.03615995003500060017x

Numerical Approximation of Cation Exchange in Miscible Displacement through Soil Columns1

  1. Sung-Ho Lai and
  2. J. J. Jurinak2

Abstract

Abstract

The cation exchange process in soil columns during the miscible displacement of cation solutions was studied. The model involves the assumption that equilibrium between the cation adsorbed and the cation in solution exists. The material balance equation that governs the miscible displacement of cations includes and exchange function and was solved by a finite difference method. This method is capable of solving the material balance equation whether a linear or nonlinear cation exchange isotherm defines the exchange reaction. The applicability of the model and method of solution was tested by conducting soil column experiments. The agreement between the numerical solution and the experimental values was good.

  Please view the pdf by using the Full Text (PDF) link under 'View' to the left.

Copyright © . Soil Science Society of America