| Title | A practical approach to demonstrate the circular economy in remediation of textile dyes using nutraceutical industrial spent |
|---|---|
| ID_Doc | 5988 |
| Authors | Taqui, SN; Syed, UT; Mir, RA; Syed, AA; Ukkund, SJ; Deepakumari, HN; Al-Mansour, AI; Alam, S; Berwal, P; Majdi, HS |
| Title | A practical approach to demonstrate the circular economy in remediation of textile dyes using nutraceutical industrial spent |
| Year | 2024 |
| Published | Rsc Advances, 14, 36 |
| Abstract | We used Nutraceutical Industrial Coriander Seed Spent (NICSS), a readily available, cheap, eco-friendly, and ready-to-use material, as an innovative adsorbent for the bioremediation of a bisazo Acid Red 119 (AR 119) dye, which is likely a mutagen from textile industrial effluents (TIE). A laboratory-scale experiment was tailored to demonstrate the framework of the circular economy (CE) in the remediation of textile dyes using Nutraceutical Industrial Spent to align with the principles of sustainability and valorization. An experimental qe value of 97.00 mg g-1 was obtained. For the practicality and effectiveness of the method, a two-level fractional factorial experimental design (FFED) was employed to determine variables that influence the adsorption capacity of NICSS. At optimal settings (pH of 1.4, adsorbent dosage of 6.000 g L-1, adsorbent particle size of 96 mu m, initial dye concentration of 599 mg L-1, adsorption duration of 173 min, orbital shaking speed of 165 rpm, and temperature of 35 degrees C), the maximum adsorption efficiency achieved through statistical optimization was 614 mg g-1. Six factors influencing the adsorption process were examined experimentally and were considered important for commercialization. Three orders of magnitude were applied to the identified variables in scaling experiments. Adsorption-equilibrium data were analyzed using nine isotherm models. The best fit was discovered to be the Vieth-Sladek adsorption isotherm model. The suitable mechanism for the overall rate of the adsorption process was a pseudo-second-order reaction: mass-transfer mechanistic studies were predicted to predominate over the diffusion process. NICSS was characterized using SEM and FTIR spectroscopy. Utilizing plastic trash, the dye-adsorbed NICSS that was recovered as "sludge" was utilized as a reinforcing material to create composites. Dye-adsorbed NICSS thermoplastic and thermoset composites were studied and compared with NICSS composites in terms of their physicomechanical and chemical properties. We used Nutraceutical Industrial Coriander Seed Spent (NICSS), as an innovative adsorbent for the bioremediation of a bisazo Acid Red 119 (AR 119) dye. |
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