Abstract
Based on thermodynamic data, this paper analyzed the feasibility of removing fluoride in the waste acid solution using lead ions. Lead-fluoride ion-water system E-log[F-] diagram and the solubility curve of lead fluoride at 25°C were drawn. It was found that insoluble PbF2 only exists stably in a certain concentration range of fluoride ion. With the increase of lead ion concentration, the stable area for solid lead fluoride expands and the total fluoride ion concentration decreases. Therefore, it is possible to remove fluoride ion in the waste acid solution lead ion.
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Li, J., Yang, T., Chen, L., Liu, W. (2013). Thermodynamic Analysis of Lead-Fluoride Ion-Water System. In: Kvithyld, A., et al. REWAS 2013. Springer, Cham. https://doi.org/10.1007/978-3-319-48763-2_18
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DOI: https://doi.org/10.1007/978-3-319-48763-2_18
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48580-5
Online ISBN: 978-3-319-48763-2
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