Interphase Distribution of V(IV) in the Polyethylene Glycol 1500–Sodium Nitrate–Water System

Fedorova, M. I.; Левина, А. В.; Zakhodyaeva, Yu. A.; Вошкин, А. А.

doi:10.1134/s0040579520040211

Cited by 9 publications

(5 citation statements)

References 35 publications

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“…They are applicable in the extraction of a wide range of compounds. [21][22][23][24][25] It is known that water-soluble polymers are used in the processes of extractive denitrogenation of motor fuels. [3,9,26] In addition, there is a problem not only of efficient extraction of heterocyclic nitrogen-containing compounds, but also the problem of their separation in order to obtain concentrated solutions and their further use.…”

Section: Introductionmentioning

confidence: 99%

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Extractive denitrogenization of liquid model fuel using polyethylene glycol methyl ether 350

Solov'ev,

Solov'eva,

Zakhodyaeva

et al. 2023

Can J Chem Eng

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In the present study, we studied the effectiveness of the water‐soluble polymer polyethylene glycol methyl ether 350 (PEG ME‐350) on the extraction of nitrogen‐containing heterocyclic compounds—quinoline and indole—from n‐hexane. The dependences of the quantitative characteristics of the extraction of N‐compounds on the contact time of the phases, the content of PEG ME‐350 in the n‐hexane–water system, the initial concentration of nitrogen‐containing heterocyclic compounds in the organic phase, and the volumetric ratio of the phases were obtained. It has been established that PEG ME‐350 is an effective extractant in the process of stepwise extraction of quinoline and indole, and the mechanisms of their extraction have also been proposed and proven. The results can be further used in the purification of light hydrocarbon fractions from nitrogen‐containing heterocyclic compounds.

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Section: Introductionmentioning

confidence: 99%

“…They are applicable in the extraction of a wide range of compounds. [ 21–25 ] It is known that water‐soluble polymers are used in the processes of extractive denitrogenation of motor fuels. [ 3,9,26 ]…”

Section: Introductionmentioning

confidence: 99%

Extractive denitrogenization of liquid model fuel using polyethylene glycol methyl ether 350

Solov'ev,

Solov'eva,

Zakhodyaeva

et al. 2023

Can J Chem Eng

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show abstract

“…Therefore, it is necessary to find an environmentally friendly replacement for them. One of the most developing directions is the creation of two-phase water systems based on watersoluble polymers [23] and their use for the extraction of metal ions both without the introduction of complexing agents [24] and with the introduction of such agents [25][26][27], these systems may be an alternative to organic solvents.…”

Section: Introductionmentioning

confidence: 99%

Application of ionic liquid based on Aliquat 336 and D2EHPA in the extraction of transition metals

Fedorova

Левина

2022

IOP Conf. Ser.: Mater. Sci. Eng.

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To date, there are a number of methods for selective extraction of transition metal ions based on liquid-liquid extraction. One of the most interesting methods of metal ions extraction is liquid-liquid extraction with application of ionic liquids based on quaternary ammonium bases and organic acid residues, in particular, organophosphorus, diluted with organic solvent (toluene, xylene, kerosene, etc.). However, using of organic solvents does not correspond to the modern tendencies of harmful effects on the environment reducing. Thus, we propose to use Aliquat 336 and D2EHPA-based ionic liquid for extraction of transition metal ions in ecologically safe aqueous two-phase system based on polypropylene glycol 425 and sodium chloride. Di(2-ethylhexyl) phosphate trioctylmethylammonium has been shown to yield more than 80% Fe(III) and Y(III) ions.

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“…Several works are devoted to the application of such systems in the extraction of biological compounds [19], organic acids [20,21], known work on IOP Publishing doi:10.1088/1757-899X/1212/1/012011 2 the production of nanomaterials in aqueous two-phase systems [22,23]. ATPS based on polymers as a new type of environmentally safe extraction systems have been proposed in the extraction and separation technology of rare-earth [24], heavy [25], precious [26], nonferrous [27][28][29], and other metals [30,31] by many scientific groups.…”

Section: Introductionmentioning

confidence: 99%

Liquid-liquid extraction of Pt(IV) from hydrochloric acid solutions using PPG 425 – NaCl – H₂O system

Зиновьева

2022

IOP Conf. Ser.: Mater. Sci. Eng.

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Today, metal extraction from e-waste is beneficial from both an environmental and economic point of view. Natural resources of metals, especially platinum group metals, are limited. At the same time, the amount of waste containing many valuable elements continues to grow. In this work, we studied the extraction of Pt (IV) from hydrochloric acid solutions using polypropylene glycol 425 (PPG 425). In the course of the experimental work, the dependence of the platinum extraction degree on the influence of hydrochloric acid concentration and medium pH in the polypropylene glycol 425 - sodium chloride - water system have been established. The maximum recovery (distribution coefficient > 3,5) has been achieved in the presence of 2 M HCl in an aqueous two-phase system (ATPS), which allows the use of the proposed system for the extraction of platinum from leaching solutions.

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Interphase Distribution of V(IV) in the Polyethylene Glycol 1500–Sodium Nitrate–Water System

Cited by 9 publications

References 35 publications

Extractive denitrogenization of liquid model fuel using polyethylene glycol methyl ether 350

Extractive denitrogenization of liquid model fuel using polyethylene glycol methyl ether 350

Application of ionic liquid based on Aliquat 336 and D2EHPA in the extraction of transition metals

Liquid-liquid extraction of Pt(IV) from hydrochloric acid solutions using PPG 425 – NaCl – H₂O system

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Interphase Distribution of V(IV) in the Polyethylene Glycol 1500–Sodium Nitrate–Water System

Cited by 9 publications

References 35 publications

Extractive denitrogenization of liquid model fuel using polyethylene glycol methyl ether 350

Extractive denitrogenization of liquid model fuel using polyethylene glycol methyl ether 350

Application of ionic liquid based on Aliquat 336 and D2EHPA in the extraction of transition metals

Liquid-liquid extraction of Pt(IV) from hydrochloric acid solutions using PPG 425 – NaCl – H2O system

Contact Info

Product

Resources

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Liquid-liquid extraction of Pt(IV) from hydrochloric acid solutions using PPG 425 – NaCl – H₂O system