e-space
Manchester Metropolitan University's Research Repository

    A kinetic and thermodynamic investigation into the removal of methyl orange from wastewater utilizing fly ash in different process configurations

    Potgieter, JH, Pardesi, C and Pearson, S (2021) A kinetic and thermodynamic investigation into the removal of methyl orange from wastewater utilizing fly ash in different process configurations. Environmental Geochemistry and Health, 43 (7). pp. 2539-2550. ISSN 0269-4042

    [img]
    Preview
    Published Version
    Available under License Creative Commons Attribution.

    Download (554kB) | Preview

    Abstract

    The removal of methyl orange using coal fly ash, which is a widely available low-cost adsorbent, has been investigated. Adsorption studies for dye removal were conducted using various configurations such as batch, column and heap adsorption at various temperatures and adsorbent dosages at neutral pH. The Langmuir, Freundlich and Tempkin isotherm models were used to describe the process. The Freundlich model best represented the adsorption. Kinetic studies show the adsorption followed pseudo-second-order kinetics. Thermodynamic studies show that the process is spontaneous, endothermic and random. Column configuration was found to be the most efficient with a dye removal percentage of 99.95%, followed by heap adsorption at 99.25% removal and lastly batch configuration with 96.68% removal. Economic analysis shows that column operation would be the most effective for practical implementation.

    Impact and Reach

    Statistics

    Activity Overview
    6 month trend
    208Downloads
    6 month trend
    228Hits

    Additional statistics for this dataset are available via IRStats2.

    Altmetric

    Repository staff only

    Edit record Edit record