Resumo

KIRAN, Shumaila et al. Green Synthesis of Nickel Nanoparticles using Fruit Peels of Citrus Paradise for Remediation of Congo Red Dye. J. Mex. Chem. Soc [online]. 2021, vol.65, n.4, pp.507-515.  Epub 28-Fev-2022. ISSN 1870-249X.  https://doi.org/10.29356/jmcs.v65i4.1572.

Biosorption is a cost-effective excellent tool for removing problematic dyes. The present work was focused on the utilization of Citrus paradise (grapefruit) peels aqueous extract for synthesis of nickel nanoparticles. The prepared nanoparticles were characterized by SEM and were used for the remediation of congo red direct dye. The decolorization of Congo Red direct dye was measured using UV/Visible spectrophotometer following the optimization of experimental factors. Maximum decolorization was observed at a dye concentration of 0.02 %, pH 6, at 50 °C temperature, and catalyst dose was 0.01 g/L. TOC and COD values were found to be 79.89 % and 78.23 %. Agriculrural waste could be used for the remediation of other synthetic dyes as well; hence helps in cleaning our natural environment.

Palavras-chave : Congo red direct dye; grapefruit peel; Ni nanoparticles; remediation.

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