Preparation and characterization of biochar derived from the fruit seed of Cedrela odorata L and evaluation of its adsorption capacity with methylene blue

Subratti, Afraz; Vidal, Juliana L.; Lalgee, Lorale J.; Kerton, Francesca M.; Jalsa, Nigel Kevin

doi:10.1016/j.scp.2021.100421

Cited by 48 publications

(22 citation statements)

References 45 publications

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“…According to Assimeddine et al (2022), increasing the initial MB concentration improves the interaction between the MB molecules and the biochar particles, resulting in an increase in adsorption capacity. A similar trend was also reported in previous studies (Dawood et al, 2016;Phihusut and Chantharat, 2017;Subratti et al, 2021) on dye adsorption of biochar. In general, raising the concentration of MB enhanced adsorption capacity but decreased MB removal efficiency.…”

Section: Influence Of Initial Mb Concentration On Adsorptionsupporting

confidence: 91%

Biochar Derived from Sesbania sesban Plant as a Potential Low-Cost Adsorbent for Removal of Methylene Blue

Hiep¹,

Thu²,

Quyen³

et al. 2022

Environ. Nat. Resour. J.

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In this study, biochar made from the Sesbania sesban plant, under slow pyrolysis at 300°C was used to adsorb methylene blue (MB) in aqueous solution. The biochar properties were clarified by diverse analytical methods such as FTIR, SEM, and BET. The results indicated that the surface of biochar was relatively smooth, had porous texture, and stacked evenly. In addition, the biochar had a large specific surface area of 561.8 m2/g and the pHpzc value was 6.9. The effect of adsorbent dosage, initial pH, contact time, and concentration of dye solution on biochar were investigated. The optimum conditions for MB adsorption were found at the MB concentration of 50 mg/L, initial pH of 11, biochar mass of 0.6 mg, and contact time of 30 min. Under these optimal conditions, MB dye removal efficiency was above 90%. Adsorption isotherm data were fitted with the Langmuir isotherm model (R2=0.897) suggesting the adsorption was monolayer, and its maximum adsorption capacity was about 6.6 mg/g. The adsorption kinetic models showed that the linear pseudo-second-order by R2=0.999 was well fitted. The results indicated the enormous potential of Sesbania sesban plant to produce biochar as a low-cost and rather high-effective adsorbent for dye removal from wastewater as well as water quality improvement.

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Section: Influence Of Initial Mb Concentration On Adsorptionsupporting

confidence: 91%

Biochar Derived from Sesbania sesban Plant as a Potential Low-Cost Adsorbent for Removal of Methylene Blue

Hiep¹,

Thu²,

Quyen³

et al. 2022

Environ. Nat. Resour. J.

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“…Generally, the increase of defects in graphical carbon increase the capacity of storage and adsorption [38]. In our composite, the value of ID/IG increased from 0.77 for biochar to 1.01 for magnetized biochar; those values confirm that the modification of the biochar magnetite created more defects and decreased the percentage of graphical carbons, which is a good parameter for the increase of the adsorption capacity [39][40][41][42].…”

Section: Results and Discussion 1) Characterization Of Opb And Opb/fe3o4supporting

confidence: 62%

Magnetization of a Biochar Derived from Orange Peel and Its Application for the Removal of Crystal Violet

et al. 2022

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In this work, biochar synthesized from orange peel modified with magnetite was used as an alternative magnetic adsorbent for dye removal. The magnetization of the synthesized biochar was done using the co-precipitation method. The obtained composite was characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM), and Raman spectroscopy. The efficiency of magnetized biochar (OPB/Fe3O4) was studied in the process of removing crystal violet (CV) from an aqueous solution at different temperatures. The experimental data obtained for the kinetic studies were better fitted to the pseudo-second-order model, and the isotherms data were well fitted to the Langmuir model. The results showed that the adsorption capacity increases with increasing temperature, reaching 113 mg g-1 at 50 °C. Thermodynamic parameters (ΔG0, ΔH0, ΔS0) were also calculated; their values showed that the adsorption was spontaneous and endothermic. These results inspire us to use other similar materials to solve the problem of water and environmental pollution.

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“…juliflora by pyrolysis at three different temperatures. The band located between 3200 and 2800 cm –1 is assigned to asymmetrical and symmetrical stretch vibrations of the C–H bond (e.g., methyl and methylene groups); these groups appear as a result of tarry remains that partially volatilized, but these could be present in the initial structure of biochar. , The bands located between 1600 and 1400 cm –1 are assigned to carbon–carbon stretching vibrations in the aromatic ring, alkene groups . The bands located between 1200 and 1000 cm –1 are assigned to the stretching vibration of the C–O bond (e.g., carboxylic acids in the cellulose and hemicellulose) .…”

Section: Resultsmentioning

confidence: 99%

Prosopis juliflora Seed Waste as Biochar for the Removal of Blue Methylene: A Thermodynamic and Kinetic Study

et al. 2022

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In this work, we studied the methylene blue (MB) dye adsorption capacity on biochar derived from residues of Prosopis juliflora seed waste, a species found in the region of the tropical dry forest of Piojó in the Department of Atlántico, Colombia. The materials were obtained by pyrolysis at temperatures of 300, 500, and 700 °C. Biochar was characterized using Fourier transform infrared (FTIR), scanning electron microscopy and energy-dispersive X-ray spectroscopy (SEM-EDX), TGA, and Brunauer–Emmett–Teller (BET) techniques. The three biochar samples presented a macroporous, rough structure with pore size between 6 and 28 μm. The largest pore surface area observed was 1.28 m 2 /g for pyrolyzed biochar produced at 500 °C, larger than that of biochar produced at 700 °C, which was 0.83 m 2 /g. The adsorption results show that the maximum percentage of MB removal was 69%. According to SEM results, the material’s pore sizes varied on average from 6 to 28 μm. We modeled MB adsorption on biomass through three different isotherm models. The Freundlich model was the best-fitting model for the removal of MB ( K F = 1.447; 1/ n = 0.352). The kinetic results showed that the pseudo-second-order model was the best-fitting model for the sorption process ( q e = 2.94 mg/g; k 2 = 0.087 g/(mg/min –1 )). Furthermore, the recycling test showed that the biochar did not change its adsorption capacity significantly. Finally, under the experimental conditions, the thermodynamic parameters indicated that the removal of MB using biochar was an endothermic and spontaneous process; all Δ G ° values ranged from −2.14 to −0.95 kJ/mol; Δ H ° was 23.54 kJ/mol and Δ S ° was 79.5 J/mol.

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Preparation and characterization of biochar derived from the fruit seed of Cedrela odorata L and evaluation of its adsorption capacity with methylene blue

Cited by 48 publications

References 45 publications

Biochar Derived from Sesbania sesban Plant as a Potential Low-Cost Adsorbent for Removal of Methylene Blue

Biochar Derived from Sesbania sesban Plant as a Potential Low-Cost Adsorbent for Removal of Methylene Blue

Magnetization of a Biochar Derived from Orange Peel and Its Application for the Removal of Crystal Violet

Prosopis juliflora Seed Waste as Biochar for the Removal of Blue Methylene: A Thermodynamic and Kinetic Study

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