Studies on the Use of Snail Shells in the Treatment of Wastewater Effluent
DOI:
https://doi.org/10.71148/tjoc/v1i1.8Keywords:
Adsorption, Food Industry, Kinetics, Wastewater, Snail Shells, Treatment EfficiencyAbstract
The efficiency of snail shells as adsorbent for treating wastewater from PEMO Food Industry in Edo State was investigated. Treatment was achieved by adsorption of contaminants in wastewater onto snail shell powder. Physicochemical analysis of the treated wastewater was conducted at intervals of 10 minutes for a total treatment time of 120 minutes. Water quality parameters such as pH, Conductivity, BOD, COD, DO, TSS, TDS, TS, Alkalinity, Turbidity, Temperature, Nitrate, Sulphate, Phosphate, Lead, and Cadmium were measured to determine the efficiency of snail shell adsorbent. The statistically observed significant difference at 95% confidence limit (P≤0.05) for the treatment data indicates the effectiveness of the adsorbent and supports the high efficacy of snail shell in the treatment. Kinetics analysis was carried out by evaluating the time-dependence of the different quality parameters after treatment using Pseudo-First order, Pseudo-Second order, and Intra-particle diffusion models respectively. The results show that the treatment fits Pseudo-Second order kinetics when compared to Pseudo-First order and Intra-particle diffusion model since R2 values of the parameters showed excellent linearity towards unity (R2≥0.99); except for TSS and Pb which showed deviation from linearity when compared to the other models. Treating wastewater for TSS and Pb followed Intra-particle diffusion kinetics (R2 ≥ 0.9). The results of this study demonstrate the efficacy of snail shells as a cost-effective adsorbent and green remediation material in treating wastewater from the food industry, with the observed kinetics providing insightful information and knowledge in understanding the adsorption mechanism of wastewater treatment using snail shells as bio-adsorbent.
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