Mathematical Modeling Using Full Factorial Design Applied in the Adsorption of Dye Basic Blue 9 from Synthetic Aqueous Solutions onto Oryza Sativa Husk-Derived Nano-Silica-Smectic Clay Composite

This study focuses on utilizing Oryza sativa husk (rice husk) to produce a nanosilica-doped smectitic clay (Os-Sm) for the adsorption of Basic Blue 9 from aqueous solutions. Response surface methodology was employed to investigate the impact of dye concentration (10—30 mg/L), initial pH (8—11), and...

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