International Scientific Journal of Engineering and Management

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ISSN: 2583-6129

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REMOVAL OF LEAD FROM WATER BY USING ADSORPTION

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REMOVAL OF LEAD FROM WATER BY USING ADSORPTION

A.M.Yuvajeyshree1, R.Saraswathi2

Department of Civil Engineering & Coimbatore Institute of Technology

Department of Civil Engineering & Coimbatore Institute of Technology

Abstract:

Adsorption is an effective method in treating heavy metals of wastewater. The presence of high dissolved lead (Pb) concentration in water and can cause health problems for long-term exposure to these heavy metals. This study investigates eggshell, pomegranate peel and orange peel as an alternative adsorbent. The effects of contact time, initial metal concentration and adsorbent dosage were studied in batch experiments. Overall, the findings suggest that eggshell, pomegranate peel, and orange peel are promising low-cost and eco-friendly adsorbents for the removal of lead from contaminated water sources. The removal percentage of lead observed was 99.05% from eggshell, 99.01% from pomegranate peel and 99% from orange peel. The result shows that more than 90% removal of Pb occurred at optimum contact hours of 40 minutes for eggshell, 70 minutes for pomegranate peel and 80 minutes for orange peel and optimum initial concentration was 4 ppm for eggshell, 4 ppm for pomegranate peel and 6 ppm for orange peel Pb removal. Design using response surface methodology was carried out in this work. The RSM modelling was found to be successful in predicting the removal efficiency with R2 greater than 0.90.

Key words: Adsorption, Eggshell, Pomegranate peel, Orange peel and Heavy metal removal.


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