Removal of Congo Red Dye from Aqueous Solution using Sugarcane Bagasse and Bambara Groundnut Shell

Abstract

A methodology involving sugarcane bagasse (SB) and Bambara groundnut shell (BGS) as adsorbents was developed in order to remove the carcinogenic Congo red dye from aqueous medium. The effect of contact time, sorbent dosage, initial concentration and pΗ were investigated. The results showed high efficiency of ≈ 93% and 75% using 4.5g of SB and BGS respectively. The results also indicated that the % removal increases with increase in dye loading concentration, while it decreased with an increase in pΗ of the solution from 4 to 10. From the results, it is possible to conclude that sugarcane bagasse and Bambara groundnut shell are good adsorbents for dye effluent treatment.Keywords: Bambara groundnut shell, Congo red, Sugarcane Bagasse, % Dye Removal

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