4.5 Article

Sustainable adsorption method for the remediation of malachite green dye using nutraceutical industrial fenugreek seed spent

Journal

BIOMASS CONVERSION AND BIOREFINERY
Volume -, Issue -, Pages -

Publisher

SPRINGER HEIDELBERG
DOI: 10.1007/s13399-021-01827-w

Keywords

Nutraceutical industrial fenugreek seed spent; Malachite green; Adsorption studies

Funding

  1. King Khalid University, Saudi Arabia [R.G.P 2/147/42]
  2. Taif University, Taif, Saudi Arabia [TURSP-2020/40]

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Research has shown that the use of nutraceutical industrial fenugreek seed spent (NIFGS) can effectively remove malachite green dye from aqueous media through an endothermic, nearly instantaneous physical adsorption process.
Nutraceutical industrial fenugreek seed spent (NIFGS), a relatively low-cost material abundantly available with nearly negligible toxicity for the bioremediation of malachite green (MG) dye from aqueous media, is reported. Studies on the various parameters affecting the adsorption capacity of NIFGS were carried out to evaluate the kinetics and the equilibrium thermodynamics. All the experiments were designed at about pH 7. The adsorption isotherm model proposed by Langmuir fits better than the Freundlich isotherm model. Kinetic study data confirms the viability of pseudo-second-order model. Calculated thermodynamic factors suggest that the adsorption phenomenon is endothermic, almost instantaneous, and physical in nature.

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