Fe3O4/BC for Methylene Blue Removal from Water: Optimization, Thermodynamic, Isotherm, and Kinetic Studies DOI Open Access

Sharf Ilahi Siddiqui,

Naha Meslet Alsebaii, Azza A. Al‐Ghamdi

et al.

Materials, Journal Year: 2025, Volume and Issue: 18(9), P. 2049 - 2049

Published: April 30, 2025

In this research, a nanoscale magnetic biosorbent was synthesized by incorporating nanoparticles (Fe3O4 NPs) into natural carbon framework derived from black cumin (BC) seeds. The prepared Fe3O4/BC utilized as low-cost, eco-friendly, and reusable nanobiosorbent for the removal of organic (e.g., methylene blue (MB) dye) pollutants synthetic solutions. results indicated that had extensive surface oxygenous functional groups with high affinity MB dye capture at different concentrations such 10-60 mg L-1. optimization suggested ~99% its initial concentration (i.e., 10 L-1) using 2.0 g L-1 pH = 7, temperature 27 °C, contact time 120 min, equilibrium adsorption capacity 5.0 g-1 partition coefficient ~57.0 L g-1. efficacy highest 60.0 found to be 29.0 isotherm well explained Freundlich model MB. renderability bioadsorbent acid treatments showed ~66% decline in efficiency (%) (~99% ~33%; ~5.0 ~1.7 g-1) after six repetitive cycles desorption. current gives better than previously reported acid-washed BC seeds other BC-seed-based nanobioadsorbents, Hence, demonstrates potential use treating water contaminated pollutants.

Language: Английский

Fe3O4/BC for Methylene Blue Removal from Water: Optimization, Thermodynamic, Isotherm, and Kinetic Studies DOI Open Access

Sharf Ilahi Siddiqui,

Naha Meslet Alsebaii, Azza A. Al‐Ghamdi

et al.

Materials, Journal Year: 2025, Volume and Issue: 18(9), P. 2049 - 2049

Published: April 30, 2025

In this research, a nanoscale magnetic biosorbent was synthesized by incorporating nanoparticles (Fe3O4 NPs) into natural carbon framework derived from black cumin (BC) seeds. The prepared Fe3O4/BC utilized as low-cost, eco-friendly, and reusable nanobiosorbent for the removal of organic (e.g., methylene blue (MB) dye) pollutants synthetic solutions. results indicated that had extensive surface oxygenous functional groups with high affinity MB dye capture at different concentrations such 10-60 mg L-1. optimization suggested ~99% its initial concentration (i.e., 10 L-1) using 2.0 g L-1 pH = 7, temperature 27 °C, contact time 120 min, equilibrium adsorption capacity 5.0 g-1 partition coefficient ~57.0 L g-1. efficacy highest 60.0 found to be 29.0 isotherm well explained Freundlich model MB. renderability bioadsorbent acid treatments showed ~66% decline in efficiency (%) (~99% ~33%; ~5.0 ~1.7 g-1) after six repetitive cycles desorption. current gives better than previously reported acid-washed BC seeds other BC-seed-based nanobioadsorbents, Hence, demonstrates potential use treating water contaminated pollutants.

Language: Английский

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