A STUDY OF THE BEHAVIOUR OF A FIXED-BED ADSORPTION COLUMN FOR REMOVAL OF FERROUS IRON IN GROUNDWATER USING ACTIVATED CARBON
Yousuo Digieneni 1, Ali Timinidi 2 and Gbonhinbor Jeffrey Randy
ABSTRACT
The Langmuir adsorption isotherm equilibrium model and the fixed-bed adsorption models were used. A Computational Fluid Dynamic (CFD) simulation of an adsorption column for the removal of iron from groundwater was carried out. CFD solution model was developed in COMSOL Multiphysics which provided detailed facts about the fixed-bed adsorption column and offers enhanced design perception. The line graph and the 2D surface plots were generated. Simulated results indicated that about 28 days’ operative performance of the bed could be achieved for a bed weight of 1500kg and particle size of 0.001m. Predicted results were very acceptable when compared with World Health Organization Standards for drinking water.
Keywords: Fixed-Bed, Adsorption column, Ferrous Iron, Groundwater, Activated Carbon, Concentration
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