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Biosorption of Dimethyl Phthalate from Aqueous Solution Using Yeast-Based Silver Nanoparticle

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Abstract

Biosorption provides the reduction of pollution effluents to environmentally satisfactory cutoff points in a financially savvy and ecologically benevolent way by using microorganisms and nanotechnology. Due to its availability and dimethyl phthalate sorption capability, Saccharomyces cerevisiae was considered for the biosorption of dimethyl phthalate in the last decade. In this study, dried S. cerevisiae with silver nanoparticle was used for dimethyl phthalate biosorption. The influence of operative conditions such as pH, temperature, initial DMP concentration, adsorbent dosage, and contact time is examined. Optimization of operational parameters shows that the optimum concentrations of YB-AgNPs for effective removal of DMP were 700 µg/mL at pH 5 after 5 min and 0.5 g at 30–50 °C for YB-AgNP biomass concentration. Using three isothermal models, the data obtained from the experiment were analyzed, and the parameters were estimated for each isothermal and related coefficient. The Langmuir isotherm model in this study suits best for the biosorption of dimethyl phthalate. To evaluate biosorption kinetics, three kinetic models were used, and it was observed that biosorption follows a second pseudo-order model of a ratio coefficient as high as R2 = 1. The analysis of thermodynamics test data revealed that the process was spontaneous and feasible. The mechanism of biosorption was defined as physisorption. Therefore, the results obtained show that inactive YB-AgNPs can be an easy and affordable alternative to costly activated carbon for the treatment of dimethyl phthalate from wastewater.

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The data that support the findings of this study include raw data, samples, and records and can be available from the corresponding author upon reasonable request.

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Funding

The authors declare that The Biotechnology Research Centre and Environmental Laboratory of Cyprus International University TRNC (CIU) assisted in technical support and research funding during the preparation of this manuscript.

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All authors contributed to the study’s conception and design. Material preparation, data collection, and analysis were performed by Temitayo Omoyeni and Hatice Erkurt. The first draft of the manuscript was written by Temitayo Omoyeni, and Hatice Erkurt and Joshua Olaifa commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Temitayo Margaret Omoyeni.

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Omoyeni, T.M., Erkurt, H. & Olaifa, J.T. Biosorption of Dimethyl Phthalate from Aqueous Solution Using Yeast-Based Silver Nanoparticle. Water Air Soil Pollut 235, 145 (2024). https://doi.org/10.1007/s11270-024-06942-8

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  • DOI: https://doi.org/10.1007/s11270-024-06942-8

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