This paper presents a research about the interaction between suspended solids and the pollution transport in streams. It involves the study of the interaction between sediments, reactive chemical substance and stream, in which, the hydrodynamic processes are modeled including the advection, turbulent diffusion, sedimentation, and the effect of kinetics. The main concern is to know how suspended solids can influence in the pollutant concentrations and how they are able of absorbing part of the chemical substances, which generally follow decay processes (Revelli & Ridolfi, 2002). Mathematical models described in this document take account the advection, turbulent diffusion, and the exchange kinetics between the solid phase and dissolved phase.
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