Adsorption of Cr(VI) from Industrial Wastewater Using a Novel Zeolite-A/Fe3O4/Biochar/MOF-5 Composite DOI
Tessema Derbe, Lijalem Ayele, Teketel Girma Gindose

et al.

Industrial & Engineering Chemistry Research, Journal Year: 2025, Volume and Issue: 64(9), P. 4694 - 4708

Published: Feb. 24, 2025

Disposal of Cr(VI) into environments without adequate pretreatment from various industrial wastes has detrimental effects on human health that range skin irritation to cancer depending the dose and exposure level. Taking this consideration, a novel Zeolite-A/Fe3O4/Biochar/MOF-5 (Z-A/Fe3O4/BC/MOF-5) composite was synthesized through solvothermal method for adsorption wastewater. The phase structure, surface area, functional group, morphology, elemental composition as-synthesized adsorbent were characterized by using XRD, BET, FT-IR, SEM-EDX, respectively. batch studied optimizing parameters. maximum efficiency (95.12%) capacity (47.57 mg/g) obtained at 15 mg/L initial concentration, 0.3 g/L dose, 120 min contact time, pH = 5, isotherm kinetic Z-A/Fe3O4/BC/MOF-5 well fitted with Freundlich pseudo-second-order models, which suggests occurred chemosorption heterogeneous adsorbent's surface. Furthermore, recyclability conducted five successive runs resulted in 95.07, 89.59, 85.69, 71.74, 64.83% first, second, third, fourth, fifth runs, quaternary finally tested wastewater concentration 36.27 collected Batu Tannery Industry PLC, Ethiopia. Interestingly, shows higher performance, 92.85% removal efficiency, much than its pristine MOF-5 (90.57%), binary Z-A/MOF-5 (83.05%), ternary Z-A/Fe3O4/BC (82.83%) composites. This could be due synergic effect individual materials composite. Consequently, is promising

Language: Английский

Preparation of Rumex abyssinicus based biosorbent for the removal of methyl orange from aqueous solution DOI Creative Commons
Mikiyas Abewaa,

Eba Adino,

Ashagrie Mengistu

et al.

Heliyon, Journal Year: 2023, Volume and Issue: 9(12), P. e22447 - e22447

Published: Nov. 20, 2023

Methyl orange is abundantly present in wastewater generated from textile industries causing serious human health and environmental problems. Therefore, this study was aimed at preparing a low cost effective biosorbent the stem of Rumex abyssinicus plant for removal methyl aqueous solution. Characterization prepared adsorbent material carried out using pH point zero charge, Scanning Electron microscope (SEM), Fourier Transform Infrared (FTIR) spectroscopy X-Ray Diffraction (XRD). The design optimization batch adsorption Box Behnken approach to Response Surface methodology aiming reduce experimental runs time with adequate results. characterization revealed 7.9 (pHpzc), porous heterogonous surface presence multiple functional groups amorphous structure maximum efficiency 98.5 % found pH, contact time, concentration dosage 6, 60 min, 20 mg/L 0.2 g/100 mL respectively. isotherm studies were Langmuir, Freundlich, Toth Koble Corrigan models which Freundlich R2 0.95 fit data best showing heterogeneous multilayer interaction. On other hand, kinetics that pseudo-second-order fitted best. Moreover, thermodynamics analysis showed nature be endothermic, spontaneous feasible. Generally, work proved low-cost, environmentally friendly easily abyssinicus-based could an alternative dye detoxification industrial scale.

Language: Английский

Citations

13
Silver-Alumina Impregnated Maghemite/Magnetite Nanocomposites for Effective Removal of Chromium(VI) from the Tannery Discharge DOI Open Access

A. Kistan,

V Kanchana

Asian Journal of Chemistry, Journal Year: 2023, Volume and Issue: 35(8), P. 1899 - 1906

Published: July 31, 2023

The chromium(VI) ions present in the tannery waste was efficiently remove by using silver-alumina impregnated maghemite/magnetite nanocomposites as adsorbents. as-synthesized adsorbents were characterized XRD, SEM-EDAX, HR-TEM and FT-IR techniques. adsorption process found to be pH, time, dosage of adsorbent temperature dependent. data appropriate well with pseudo-first-order kinetics, pseudo-second-order kinetics Langmuir Freundlich isotherms. Among two synthesized nanoabsorbents, magnetite (SAMG) nanocomposite most effective absorbent, its maximum chromium removal efficiency achieved 98.81% within 2 h at a pH 3.0 0.5 g/L.

Language: Английский

Citations

11
Urban Agriculture and Water Recycling: A Comprehensive Outlook on Current Panorama DOI
Maicon Sérgio Nascimento dos Santos, João H. C. Wancura, Carolina Elisa Demaman Oro

et al.

Environmental Development, Journal Year: 2025, Volume and Issue: unknown, P. 101156 - 101156

Published: Jan. 1, 2025

Language: Английский

Citations

0
Optimization of sorghum residue biomass-based magnetic biochar for cadmium(II) removal from aqueous solution and its suitability for paint industry effluent application DOI

Betesilassie Kelemu Feleke,

Abrha Mulu Hailu,

Tsedekech Gebremeskel Weldmichael

et al.

Biomass Conversion and Biorefinery, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 27, 2025

Language: Английский

Citations

0
Adsorption of Cr(VI) from Industrial Wastewater Using a Novel Zeolite-A/Fe3O4/Biochar/MOF-5 Composite DOI
Tessema Derbe, Lijalem Ayele, Teketel Girma Gindose

et al.

Industrial & Engineering Chemistry Research, Journal Year: 2025, Volume and Issue: 64(9), P. 4694 - 4708

Published: Feb. 24, 2025

Disposal of Cr(VI) into environments without adequate pretreatment from various industrial wastes has detrimental effects on human health that range skin irritation to cancer depending the dose and exposure level. Taking this consideration, a novel Zeolite-A/Fe3O4/Biochar/MOF-5 (Z-A/Fe3O4/BC/MOF-5) composite was synthesized through solvothermal method for adsorption wastewater. The phase structure, surface area, functional group, morphology, elemental composition as-synthesized adsorbent were characterized by using XRD, BET, FT-IR, SEM-EDX, respectively. batch studied optimizing parameters. maximum efficiency (95.12%) capacity (47.57 mg/g) obtained at 15 mg/L initial concentration, 0.3 g/L dose, 120 min contact time, pH = 5, isotherm kinetic Z-A/Fe3O4/BC/MOF-5 well fitted with Freundlich pseudo-second-order models, which suggests occurred chemosorption heterogeneous adsorbent's surface. Furthermore, recyclability conducted five successive runs resulted in 95.07, 89.59, 85.69, 71.74, 64.83% first, second, third, fourth, fifth runs, quaternary finally tested wastewater concentration 36.27 collected Batu Tannery Industry PLC, Ethiopia. Interestingly, shows higher performance, 92.85% removal efficiency, much than its pristine MOF-5 (90.57%), binary Z-A/MOF-5 (83.05%), ternary Z-A/Fe3O4/BC (82.83%) composites. This could be due synergic effect individual materials composite. Consequently, is promising

Language: Английский

Citations

0