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  • HomeTable of ContentsList of ArticlesAbstract

    Chem Sci Trans., 2017, 6(2),  pp 323-329  

    DOI:10.7598/cst2017.1369

    Research Article

    Coleus Root Spent as New Adsorbent for Efficient Removal of Methylene Blue from Aqueous Solution: Kinetics and Isotherm Study

  • PRADEEP KUMAR PAPEGOWDA* and AKHEEL AHMED SYED
  • Department of Studies in Chemistry, University of Mysore, Manasa Gangotri, Mysuru -570006, India
    Icon Professor, University of Malaya, Malaysia

    • Abstract

    Coleus root spent (CRS) was used as an efficient adsorbent for the removal of methylene blue (MB). Morphological properties of the adsorbent were studied using SEM and FTIR. The adsorption parameters such as initial dye concentration, contact time, pH and temperature were studied. Langmuir and Freundlich isotherm models were used to explain the adsorption behaviour. Pseudo first order and second order kinetic models were used to study adsorption kinetics. The maximum adsorption capacity value (qmax = 66.66 mg g-1) for Langmuir isotherm was near to the experimental value (Qmax = 58.00 mg g-1). It is confirmed that, CRS is an efficient adsorbent for removal of MB from aqueous solution

    Keywords

    Methylene blue, Coleus root spent, Biosorbent, Adsorption isotherms, Kinetics

    HISTORY

  • Received 27 December 2016
  • Accepted 15 January 2017

    • Author's Email

  • pradeeppumadi@gmail.com
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