Calcined Mytella falcata shells as a source for CaAl/LDH production: Synthesis and characterization

Henrique, Diogo C.; Henrique, Daniely Carlos; Solano, Julyane R. S.; Barbosa, Valcilaine Teixeira; Silva, Antônio Osimar Sousa da; Dornelas, Camila Braga; Duarte, José L. S.; Meili, Lucas

doi:10.1016/j.colsurfa.2022.128752

Cited by 13 publications

(9 citation statements)

References 53 publications

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“…Numerous methods have been investigated as a result of this issue, mostly for the removal and degradation of this chemical [ 1 , 16 , 17 , 18 , 19 ], for example, photolysis, photo-Fenton, photocatalysis, ozonation, nanofiltration, and adsorption [ 18 , 19 , 20 ]. Adsorption is a popular method for eliminating contaminants from water and wastewater due to its effectiveness and low cost [ 21 , 22 , 23 , 24 ]. Adsorption has the advantage of being able to use new adsorbents produced from plant leftovers [ 25 , 26 ].…”

Section: Introductionmentioning

confidence: 99%

The Synthesis and Evaluation of Porous Carbon Material from Corozo Fruit (Bactris guineensis) for Efficient Propranolol Hydrochloride Adsorption

Franco,

Georgin,

Ramos

et al. 2023

Molecules

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This study explores the potential of the corozo fruit (Bactris guineensis) palm tree in the Colombian Caribbean as a source for porous carbon material. Its specific surface area, pore volume, and average pore size were obtained using N2 adsorption/desorption isotherms. The images of the precursor and adsorbent surface were obtained using scanning electron microscopy (SEM). Fourier transform infrared (FTIR) spectra were obtained to detect the main functional groups present and an X-ray diffraction analysis (XRD) was performed in order to analyze the structural organization of the materials. By carbonizing the fruit stone with zinc chloride, a porous carbon material was achieved with a substantial specific surface area (1125 m2 g⁻1) and pore volume (3.241 × 10−1 cm3 g⁻1). The material was tested for its adsorption capabilities of the drug propranolol. The optimal adsorption occurred under basic conditions and at a dosage of 0.7 g L⁻1. The Langmuir homogeneous surface model effectively described the equilibrium data and, as the temperature increased, the adsorption capacity improved, reaching a maximum of 134.7 mg g⁻1 at 328.15 K. The model constant was favorable to the temperature increase, increasing from 1.556 × 10−1 to 2.299 × 10−1 L mg−1. Thermodynamically, the adsorption of propranolol was found to be spontaneous and benefited from higher temperatures, indicating an endothermic nature (12.39 kJ mol⁻1). The negative ΔG0 values decreased from −26.28 to −29.99 kJ mol−1, with the more negative value occurring at 328 K. The adsorbent material exhibited rapid kinetics, with equilibrium times ranging from 30 to 120 min, depending on the initial concentration. The kinetics data were well-represented by the general order and linear driving force models. The rate constant of the general order model diminished from 1.124 × 10−3 to 9.458 × 10−14 with an increasing concentration. In summary, the leftover stone from the Bactris guineensis plant can be utilized to develop activated carbon, particularly when activated using zinc chloride. This material shows promise for efficiently adsorbing propranolol and potentially other emerging pollutants.

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Section: Introductionmentioning

confidence: 99%

The Synthesis and Evaluation of Porous Carbon Material from Corozo Fruit (Bactris guineensis) for Efficient Propranolol Hydrochloride Adsorption

Franco,

Georgin,

Ramos

et al. 2023

Molecules

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“…Burning mollusk shells and eggshells, causing the conversion of CaCO 3 to CaO, has been extensively performed to explore its applications in the development of construction materials such as cement. , Several research groups produce a low-cost heterogeneous catalyst for biodiesel production , or sorbents for CO 2 , , metal ions, , and radionuclides. , Henrique and co-workers utilized a mollusk shell-derived CaO to synthesize a high-value CuAl-layered double hydroxide (CuAl LDH) material. Such a metal oxide-assisted method is one of the simple approaches to prepare LDH materials via ion exchange reactions in an aqueous solution.…”

Section: Introductionmentioning

confidence: 99%

“…8,9 Several research groups produce a low-cost heterogeneous catalyst for biodiesel production 10,11 or sorbents for CO 2 , 12,13 metal ions, 14,15 and radionuclides. 16,17 Henrique and co-workers 18 one of the simple approaches to prepare LDH materials via ion exchange reactions in an aqueous solution. Likewise, copperbased hydroxy double salt (HDS) materials, classed in the LDH family, contain Cu(II) and another metal ion in the brucite-like layered structure.…”

Section: Introductionmentioning

confidence: 99%

“… 8 , 9 Several research groups produce a low-cost heterogeneous catalyst for biodiesel production 10 , 11 or sorbents for CO 2 , 12 , 13 metal ions, 14 , 15 and radionuclides. 16 , 17 Henrique and co-workers 18 utilized a mollusk shell-derived CaO to synthesize a high-value CuAl-layered double hydroxide (CuAl LDH) material. Such a metal oxide-assisted method is one of the simple approaches to prepare LDH materials via ion exchange reactions in an aqueous solution.…”

Section: Introductionmentioning

confidence: 99%

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Eggshell-Derived Copper Calcium Hydroxy Double Salts and Their Activity for Treatment of Highly Polluted Wastewater

Han,

Trakulmututa,

Amornsakchai

et al. 2023

ACS Omega

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By using methyl orange (MO) removal as a model reaction, the best temperatures for processing eggshells are 750 °C and above to obtain biobased CaO materials, a raw material for producing CuCa hydroxy double salt (HDS) materials with high efficiency in treatments of highly polluted wastewater (the initial concentration of MO is 500 ppm). Characterization techniques employed in this study include power X-ray diffraction, scanning electron microscopy, thermogravimetric analysis, nitrogen adsorption–desorption analysis, and the colorimetric method, as well as energy-dispersive X-ray, infrared-, and electron spin resonance spectroscopies. Complete MO removal and high chemical oxygen demand (COD) efficiencies (>90%) can be achieved after 3 min treatments of the aqueous MO with the calcined eggshell-derived CuCa HDS materials. The spent, deactivated HDS materials can be regenerated by an acid wash method. The activity of CuCa HDS materials in MO removal is unaffected by eggshell sources, implying that sorting steps may be unnecessary when eggshell food waste (duck, quail, and hen eggshells) is collected to produce biobased CaO. The findings of this study demonstrated that eggshells can be used in place of limestone and could be a more sustainable, renewable, and cost-effective source for material development and other applications.

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“…In particular, the present research reported the production of pyrolyzed Mytella falcata shells as adsorbent. Advanced oxidative processes (AOPs) are practicable options since they are very effective to remove harmful pollutants, are cheap, and are simple to operate (Brillas 2014;Tisa et al 2014;Henrique et al 2022). These procedures are dependent on the creation of the hydroxyl radical in situ (•OH), the main oxidant species (Babuponnusami and Muthukumar 2014).…”

Section: Introductionmentioning

confidence: 99%

Enhancing Methylene Blue Dye Removal using pyrolyzed Mytella falcata Shells: Characterization, Kinetics, Isotherm, and Regeneration through Photolysis and Peroxidation

de Lima,

Tonholo,

Rangabhashiyam

et al. 2023

Environmental Management

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The potential of pyrolyzed Mytella falcata shells as an adsorbent for removing thiazine dye from aqueous solutions was investigated. The study found that the adsorbent produced at 600°C of pyrolysis temperature, with an adsorbent mass of 0.5 g, particle diameter 0.297-0.149 mm, and pH 12.0, demonstrated the highest dye removal efficiency of 82.41%. The material's porosity was observed through scanning electron microscopy (SEM), which is favorable for adsorption, while FTIR and XRD analyses confirmed the presence of calcium carbonate (CaCO3) in the crystalline phases. The pseudo-second order model was found to be the best fit for the data, suggesting that the adsorption mechanism involves two steps: external diffusion and diffusion via the solid pores. The Redlich-Peterson isotherm model better represented the equilibrium data, and the methylene blue adsorption was found to be spontaneous, favorable, and endothermic. The hydrogen peroxide with UV oxidation was found to be the most efficient method of regeneration, with a regeneration percentage of 63% achieved using 600 mmol.L -1 of oxidizing agents. The results suggest that pyrolyzed Mytella falcata shells could serve as an economically viable alternative adsorbent, reducing the amount of waste produced in the local environment while removing pollutants from water. The material's adsorption capacity remained almost constant in the first adsorption-oxidation cycles, indicating its potential for repeated use.

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Calcined Mytella falcata shells as a source for CaAl/LDH production: Synthesis and characterization

Cited by 13 publications

References 53 publications

The Synthesis and Evaluation of Porous Carbon Material from Corozo Fruit (Bactris guineensis) for Efficient Propranolol Hydrochloride Adsorption

The Synthesis and Evaluation of Porous Carbon Material from Corozo Fruit (Bactris guineensis) for Efficient Propranolol Hydrochloride Adsorption

Eggshell-Derived Copper Calcium Hydroxy Double Salts and Their Activity for Treatment of Highly Polluted Wastewater

Enhancing Methylene Blue Dye Removal using pyrolyzed Mytella falcata Shells: Characterization, Kinetics, Isotherm, and Regeneration through Photolysis and Peroxidation

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