Enhancing Chromium Removal Efficiency with Activated Carbon from Waste Tires

International Journal of Mechanical Engineering

© 2024 by SSRG - IJME Journal

Volume 11 Issue 8

Year of Publication : 2024

Authors : Aruna Sudame, Manjusha Ugale, Bharat Kapgate

10.14445/23488360/IJME-V11I8P112

How to Cite?

Aruna Sudame, Manjusha Ugale, Bharat Kapgate, "Enhancing Chromium Removal Efficiency with Activated Carbon from Waste Tires," SSRG International Journal of Mechanical Engineering, vol. 11,  no. 8, pp. 102-108, 2024. Crossref, https://doi.org/10.14445/23488360/IJME-V11I8P112

Abstract:

This research investigates the efficacy of AC derived from waste rubber tires in the withdrawal of chromium (Cr(VI)) from the contaminated liquid. The study aims to provide a sustainable and cost-effective solution for heavy metal remediation in wastewater treatment. Batch adsorption experiments were conducted to assess the impact of various parameters, including contact time, adsorbent dose, temperature, and pH, on the removal efficiency of Cr(VI). The results indicate that the percentage of Cr(VI) withdrawal rises with the rise in contact time, achieving a maximum removal efficiency of 97% within 35 minutes at an adsorbent dose of 15 g/L, the starting chromium mass of 20 mg/L, and a pH of 3. The adsorption process was found to be highly effective at lower temperatures and acidic pH levels, with the optimum conditions being 25°C and pH 3, respectively. The linear regression models applied to the data demonstrated a strong correlation between the experimental variables and chromium removal efficiency, with high R² values indicating the reliability of the models. This study highlights the dual environmental benefits of utilizing waste tires for chromium removal and reducing landfill waste, thereby promoting a circular economy. The findings suggest that activated carbon from waste tires is a viable and efficient adsorbent for Cr(VI) removal, presenting a promising approach for practical wastewater treatment applications.

Keywords:

Chromium removal, AC, Waste rubber tires, Adsorption, Water treatment.

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