Characterization of Blighia sapida synthesized-copper nanoparticle and its application in periodic pharmaceutical effluent treatment
2021
Ajani, Emmanuel O. | Afolayan, Juwon S. | Sabiu, Saheed
With the rapid increase in pharmaceutical wastewater treatment for diverse applications and to contribute to the understanding of suitability of nanoparticles (NPs) in pharmaceutical effluent treatment, this study was conceptualized. Here, we profiled the concentration of selected heavy metals (Cd, Cr, Pb, Cu and Ni) in pharmaceutical effluent samples over three sampling periods using atomic absorption spectroscopy and evaluated the effectiveness of B. sapida synthesized copper nanoparticles (Cu NPs) in pharmaceutical effluent treatment. The results showed that there was no significant (p > 0.05) difference in the heavy metals concentration of the pharmaceutical effluents across the three sampling periods. This observation could be attributed to the low environmental concentration of the metals that prevented significant leaching into the company’s water source through rainfall or the highly effective water treatment pathways that successfully reduced the metals concentration. Despite the observed increase in Cu ions in the treated samples due to the synthesized NPs, its concentration still conforms to the internationally accepted admissible limit in drinkable water. Studies seeking to understand the suitability and toxicological implications of use of the NP-treated effluents are highly encouraged and efforts are underway in this direction.
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