MODELING THE REACTION RATE OF IRON (III) CONTAMINANTS IN MANGANESE DIOXIDE MEDIA

To investigate the mass transfer rate of iron (iii) pollutants in manganese dioxide medium, a model equation was created using a first order differential equation derived from a mass balance equation. The model was able to anticipate how long it would take for the manganese dioxide adsorbent to lower the level of iron in water to WHO-acceptable levels. The model predicted that increasing the adsorbent dosage will increase the rate of transfer of the iron (iii) impurities into the adsorbent, and therefore the rate of reaction. The study also discovered that as the dosage of an adsorbent is increased, the efficiency of the adsorbent rises, and that at a certain point, an increase in adsorbent dosage leads to material waste because it may not result in higher adsorption. As a result, the model may be utilised as a useful monitoring tool during studies, allowing us to keep track of when results are expected and when the adsorbent has to be replaced. The influence of contact duration and concentration on the rate of iron (iii) pollutants transfer rate to manganese dioxide is also taken into account in the model. The model equation can be used to track how varying adsorbent concentration dosages affect the pace at which iron (iii) pollutants are removed from water.

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