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  • Title: Adsorption of methylene blue onto jute fiber carbon: kinetics and equilibrium studies.
    Author: Senthilkumaar S, Varadarajan PR, Porkodi K, Subbhuraam CV.
    Journal: J Colloid Interface Sci; 2005 Apr 01; 284(1):78-82. PubMed ID: 15752787.
    Abstract:
    Jute fiber obtained from the stem of a plant was used to prepare activated carbon using phosphoric acid. Feasibility of employing this jute fiber activated carbon (JFC) for the removal of Methylene blue (MB) from aqueous solution was investigated. The adsorption of MB on JFC has found to dependent on contact time, MB concentration and pH. Experimental result follows Langmuir isotherm model and the capacity was found to be 225.64 mg/g. The optimum pH for the MB removal was found to be 5-10. The kinetic data obtained at different concentrations have been analyzed using a pseudo-first-order, pseudo-second-order equation, intraparticle diffusion and Elovich equation. Among the kinetic models studied, the intraparticle diffusion was the best applicable model to describe the adsorption of MB onto JFC.
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