Abstract:Equilibrium, kinetic, thermodynamic aspects and mechanism of Congo red adsorption onto rice husk treated with effluent from cotton pre-treatment are examined by altering the initial dye concentration, contact time, temperature, and adsorbent mass. When a lower mass is applied, the treated rice husk adsorbs the Congo red following the Langmuir model, while at a higher mass, the adsorption follows the Freundlich model. А maximum of 149.1 mg/g Congo red is adsorbed with 10 g/L rice husk at 70oC. This capacity of … Show more
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