Inderscience Publishers

Removal of 2,4-dinitrophenol from wastewater by adsorption technology: a batch and column study

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Red mud, an aluminium industry waste, was converted into low cost adsorbent and for the dynamic uptake of 2,4-dinitrophenol, which was sorbed by the developed adsorbent up to 95%. The removal of this pollutant was achieved up to 96% by column experiments at the flow rate of 0.5 mL/minute. The adsorption was found to be endothermic in nature. The qualitative and quantitative estimation of the reported phenol was carried out by capillary electrophoresis. The adsorbent was successfully tried for the removal of 2,4-dinitrophenol from wastewater in our laboratory. The developed system is very useful, economic, rapid and reproducible for the removal of 2,4-dinitrophenol at pilot scale.

Keywords: adsorption, 2,4-dinitrophenol, red mud, column, capillary electrophoresis, aluminium waste, wastewater treatment, batch and column, phenol, pollutant removal, water pollution

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