Removal of dyes from water using
            <i>Citrullus lanatus</i>
            seed powder in continuous and discontinuous systems

Grassi, Patrícia; Georgin, Jordana; Franco, Dison S.P.; Sá, Ícaro Mychel Gomes Leite de; Lins, Pollyanna Vanessa Santos; Foletto, Edson Luiz; Jahn, Sérgío Luiz; Meili, Lucas; Rangabhashiyam, S.

doi:10.1080/15226514.2023.2225615

International Journal of Phytoremediation

2023

DOI: 10.1080/15226514.2023.2225615

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Removal of dyes from water using Citrullus lanatus seed powder in continuous and discontinuous systems

Patrícia Grassi

Jordana Georgin

Dison S.P. Franco

et al.

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Cited by 6 publications

References 83 publications

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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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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

Self Cite

View full text Add to dashboard Cite

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Ivermectin adsorption by commercial charcoal in batch and fixed-bed operations

Netto,

Pinto,

Franco

et al. 2023

Environ Sci Pollut Res

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A critical and comprehensive review of the current status of 17β-estradiol hormone remediation through adsorption technology

Georgin,

Franco,

Manzar

et al. 2024

Environ Sci Pollut Res

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Removal of dyes from water using Citrullus lanatus seed powder in continuous and discontinuous systems

Cited by 6 publications

References 83 publications

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

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

Ivermectin adsorption by commercial charcoal in batch and fixed-bed operations

A critical and comprehensive review of the current status of 17β-estradiol hormone remediation through adsorption technology

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