The removal of Eriochrome Black T (EBT) dye from aqueous solutions using activated charcoal was investigated through batch adsorption studies. The effects of adsorption parameters such as initial dye concentration, adsorbent dose, and contact time were systematically examined. The results demonstrated that the adsorption capacity of activated charcoal increased with higher adsorbent doses and longer contact times, attributed to the availability of adsorption sites and extended interaction periods. Transmittance measurements, obtained using a colorimeter, indicated a significant reduction in dye concentration post-adsorption. These findings suggest that activated charcoal is an effective adsorbent for EBT dye removal, highlighting its potential application in industrial wastewater treatment processes.
Colorimetric analysis using transmittance measurements provided quantitative evidence of significant dye concentration reduction after treatment, confirming effective adsorption. The adsorption process was rapid initially, followed by a slower phase as equilibrium approached, suggesting multilayer adsorption and a potential chemisorption mechanism. These findings were consistent with the behavior observed in other kinetic studies involving synthetic dyes.
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- Vani Gandham (Author), P. Manoj Kumar (Author), A. Bharath Kumar (Author), D. Karthik (Author), Reshma Lakra (Author), 2024, Adsorption of Erichrome Black T using Activated Charcoal, Munich, GRIN Verlag, https://www.grin.com/document/1575114
