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Indium extraction from nitrate medium using Cyphos ionic liquid 104 and its mathematical modeling

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Abstract

The treatment and recovery of pollutants in aquatic system is one of the greatest challenges for environmentalists throughout the world. In this study, solvent extraction of indium using phosphonium ionic liquid (Cyphos IL 104) as an extractant and its mathematical model was proposed for prediction of In(III) ion transport across a FSSLM (flat-sheet-supported liquid membrane). Solvent extraction experiments on indium have been carried out under various experimental conditions in order to assert some fundamental parameters using mathematical analysis for mass transfer process. Diffusion is the process which facilitates metal ion transport across liquid membrane, indicating the applicability of Fick’s law of diffusion in model formulation. The influence of different parameters like composition of diluent, feed acidity, and ligand concentration on In(III) ion transport rate has been reported. At different extractant concentrations, the modeling outputs and experimental indium extraction were observed to be in reasonably good agreement.

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Acknowledgements

The authors Dr. Rohit Kumar and Dr. Himanshu Gupta would like to thank IFTM University administration for providing necessary facilities to carry out the present study.

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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Rohit Kumar, Soniya Dhiman, and Himanshu Gupta. The first draft of the manuscript was written by Soniya Dhiman and Rohit Kumar, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Himanshu Gupta.

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Kumar, R., Dhiman, S. & Gupta, H. Indium extraction from nitrate medium using Cyphos ionic liquid 104 and its mathematical modeling. Environ Sci Pollut Res 30, 107341–107349 (2023). https://doi.org/10.1007/s11356-022-24936-z

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  • DOI: https://doi.org/10.1007/s11356-022-24936-z

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