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Article

Ion Flotation of Ytterbium Water-Salt Systems—An Innovative Aspect of the Modern Industry

General Chemistry Department, Saint Petersburg Mining University, 199106 Saint Petersburg, Russia
Academic Editor: Avi Ostfeld
Water 2021, 13(24), 3493; https://doi.org/10.3390/w13243493
Received: 3 November 2021 / Revised: 21 November 2021 / Accepted: 2 December 2021 / Published: 8 December 2021
(This article belongs to the Special Issue Active Contamination Event Detection in Water-Distribution Systems)
Considering the ever-increasing role of rare-earth elements (REE) in the modern hi-tech field, their effective use has tremendous significance, although the production process is inevitably linked to the large volumes of industrial ammonia effluents and heavy metal wastes. In the process of metallurgical separation of metals, the emission of large volumes of noxious gases and radioactive substances is inevitable. Lean technogenic raw material processing is sensible under the condition of the development of non-waste technology. The lack of competent regulations governing the disposal of waste containing REE has an impact on adjacent territories, accumulating in water bodies and, as a result, in the human body. Such an impact cannot pass without a trace, however, the ambiguity of opinions in the scientific community regarding the toxic effects of REE on living organisms determines the relevance of a more detailed study of this issue. The study of ytterbium ions removal from aqueous standard test solutions by the adsorptive bubble method—ion flotation—was conducted. The experiments showed that by using the ion flotation method, the maximum removal of ytterbium (III) was achieved at pH = 8.30. It was shown that ytterbium (+3) distribution coefficients as a function of aqueous phase pH value in the process of ion flotation with sodium dodecyl sulphate were derived. The comparison of values of removal pH with those of hydrate formation pH allowed to conclude that ytterbium floate as basic dihydroxoytterbium dodecyl sulphate Yb(OH)2(C12H25OSO3). View Full-Text
Keywords: contamination in environmental media; ion flotation; rare-earth elements; removal contamination in environmental media; ion flotation; rare-earth elements; removal
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MDPI and ACS Style

Lobacheva, O.L. Ion Flotation of Ytterbium Water-Salt Systems—An Innovative Aspect of the Modern Industry. Water 2021, 13, 3493. https://doi.org/10.3390/w13243493

AMA Style

Lobacheva OL. Ion Flotation of Ytterbium Water-Salt Systems—An Innovative Aspect of the Modern Industry. Water. 2021; 13(24):3493. https://doi.org/10.3390/w13243493

Chicago/Turabian Style

Lobacheva, Olga L. 2021. "Ion Flotation of Ytterbium Water-Salt Systems—An Innovative Aspect of the Modern Industry" Water 13, no. 24: 3493. https://doi.org/10.3390/w13243493

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