Author(s)

Mamun Rashid & Jagath J. Kaluarachchi

Abstract

A simplified numerical algorithm was developed to solve the nonlinear Monod-kinetics for an organic contaminant, oxygen, nitrate, and microbial population. The numerical algorithm is presented in the batch-reactor mode and the accuracy and efficiency of the algorithm were tested with an iterative solution using the Runge-Kutta method. The results showed a good match between the two solutions with a high computational efficiency. The applicability of the algorithm was further tested using a field-scale example of natural attenuation where the algorithm was coupled with the advective-dispersive transport equations. The results showed

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