Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 9119-9130 |
| Number of pages | 12 |
| Journal | Biomass Conversion and Biorefinery |
| Volume | 13 |
| Issue number | 10 |
| Early online date | 25 Aug 2021 |
| DOIs | |
| Publication status | Published - Jul 2023 |
Funding
The authors extend their appreciation to the Deanship of Scientific Research at King Khalid University, Saudi Arabia, for funding this work through Research Group Program under Grant No.: R.G.P 2/147/42. This work was supported by Taif University researchers supporting project number (TURSP–2020/40), Taif University, Taif, Saudi Arabia. The authors extend their appreciation to the Deanship of Scientific Research at King Khalid University, Saudi Arabia, for funding this work through Research Group Program under Grant No.: R.G.P 2/147/42. This work was supported by Taif University researchers supporting project number (TURSP–2020/40), Taif University, Taif, Saudi Arabia.
Keywords
- nutraceutical industrial fenugreek seed spent
- malachite green
- adsorption studies
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