Abstract
The objective of the current study was to find cashew nutshell powder as an inexpensive adsorbent to extract malachite green (MG) dye from a water solution. Parameters like the influence of temperature on MG dye ions, adsorbent dose, pH, dye concentration, and time of contact on the cashew nut shell powder were investigated in batch experiments. Using a scanning electron microscope, Fourier transforms infrared radiation, and Electronic dispersive elemental analysis, cashew nut shell powder characterization was studied. Analysing of the equilibrium data for Freundlich, Temkin, Langmuir, and Elovich isotherms was studied. Freundlich isotherm was perfect to the experimental data and the maximum percentage removal observed was 72% for MG at 25˚CThe adsorption data was found to be perfectly fitted by the pseudo-second-order model.
Published Version
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