Amputate of Assorted Dyes from Polluted Aqueous Solution Using Novel Low Cost Adsorbents
DOI:
https://doi.org/10.51983/ajsat-2017.6.2.990Keywords:
Cashew nut carbon, Tamarind seed carbon, Adsorption isotherm, Kinetic study, CharacterizationAbstract
Application of activated carbons developed from cashew nut and Tamarind seed carbon from the agricultural waste product has been investigated for the removal of reactive magenta, reactive red, acid orange and crystal violet dyes from aqueous solution and waste water. Batch adsorption experiments are carried out for the removal of dyes from aqueous solution by using cashew nut and Tamarind seed carbon. The important parameters are studied like initial concentrations of dyes, contact time and dose of carbon for the removal of dyes. The data are fitted into Langmuir and Freundlich adsorption isotherm models and their constants are determined. For the kinetic study of the adsorption process under consideration, the following kinetic equations proposed by Natarajan and Khalaf, Lagergren, Bhattacharya and Venkobachar were employed. The intra- particle diffusion processes in often the rate limiting step in much obey first order nature of the adsorption process. The characterization of the physio chemically modified carbons are carried out by SEM, XRD analysis, UV-Visible and FT-IR analysis of before and after adsorption of dyes on the carbon surface area morphology studied.
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