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Research Article Open Access
Vanadium has got various industrial uses. Being a refractory material, its disposal is leading to environmental contamination all the time. Recovery of vanadium pentoxide from nearby detergent factory was performed using a two-step process involving high temperature treatment followed by adsorption. Finally, NaOH was used in various concentrations, solid to liquid ratios, stirring times and temperatures. A high solid/liquid ratio in the leaching stage was used to obtain high concentration of vanadium pentoxide and low acid consumption that allowed direct precipitation without the use of extraction by rather expensive organic solvents. Sodium hydroxide solution of one mole/liter concentration was used in the precipitation stage. The adsorption studies were carried out to optimize the maximum recovery of vanadium.
Biomedical Engineering,Botany,Fluid Dynamics,Chromatography Techniques.