International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Adsorptive Performance of Lemon Peel Powder in Textile Effluent Treatment in Removal of Lead (Pb): Langmuir and Freundlich Isotherm Studies

Author(s) Ms. Jayashakthi R. V., Dr. Asha B.
Country India
Abstract An important environmental and public health concern is the release of untreated textile effluents that include dangerous heavy metals. This study explores the biosorption potential of Citrus limon (lemon) peel powder (CLPP) for the removal of heavy metals from textile wastewater to find affordable and sustainable treatment solutions. The lemon peels, an abundant Agro-waste, were processed into fine powder and characterized for their biosorptive properties. To assess their impact on metal uptake, batch biosorption tests were carried out with different contact times, pH levels, biosorbent dosages, and initial metal ion concentrations. To comprehend the interaction between the biosorbent and the metal ions, the equilibrium data were analyzed using the Langmuir and Freundlich adsorption isotherm models. The results demonstrated a high affinity of Citrus limon peel powder for the targeted heavy metals, with maximum sorption capacities aligning well with the Langmuir model, indicating monolayer adsorption. This study highlights the efficacy of lemon peel waste as an eco-friendly, cost-effective biosorbent for textile wastewater treatment and provides a theoretical foundation for future scale-up and application.
Keywords Adsorption isotherm, Biosorption, Citrus limon peel powder, Freundlich model heavy metal removal, Langmuir model.
Field Engineering
Published In Volume 7, Issue 4, July-August 2025
Published On 2025-07-03
DOI https://doi.org/10.36948/ijfmr.2025.v07i04.50097
Short DOI https://doi.org/g9r7nq
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