Equilibrium and kinetics studies for the adsorption of direct and acid dyes from aqueous solution by soy meal hull.

Abstract

This paper deals with the application of Soy Meal Hull (SMH), an agricultural by-product, for the removal of direct and acid dyes from aqueous solutions. Four textile dyes, C.I. Direct red 80 (DR80), C.I. Direct red 81 (DR81), C.I. Acid blue 92 (AB92) and C.I. Acid red 14 (AR14) were used as model compounds. Physical characteristics of SMH such as surface… (More)

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