Separation of the System NaCI-NaBr-Nal by “Solventing Out” from Aqueous Solution

Zeev B. Alfassi; Lawrence Ata

doi:10.1080/01496398308060298

Separation of the System NaCI-NaBr-Nal by “Solventing Out” from Aqueous Solution

Zeev B. Alfassi, Lawrence Ata

Unit of Nuclear Engineering

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

The precipitation of NaX (X = Cl, Br, I) from their saturated aqueous solution by three miscible organic solvents (MOS)—acetone, acetonitrile and isopropylamine—was studied for various MOS-aqueous solution volumes ratios. It was found that the fraction precipitated f is given by where V is the volume ratio and K and V_care constants. For the case of NaCl this plot was found to be a broken line composed of two straight lines intersecting at the point of “salting out.¹’ A scheme is suggested to separate the three electrolytes using isopropylamine to precipitate NaCl and acetone to precipitate NaBr.

Original language	English
Pages (from-to)	593-601
Number of pages	9
Journal	Separation Science and Technology
Volume	18
Issue number	7
DOIs	https://doi.org/10.1080/01496398308060298
State	Published - 1 May 1983

ASJC Scopus subject areas

Chemistry (all)
Chemical Engineering (all)
Process Chemistry and Technology
Filtration and Separation

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10.1080/01496398308060298

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title = "Separation of the System NaCI-NaBr-Nal by “Solventing Out” from Aqueous Solution",

abstract = "The precipitation of NaX (X = Cl, Br, I) from their saturated aqueous solution by three miscible organic solvents (MOS)—acetone, acetonitrile and isopropylamine—was studied for various MOS-aqueous solution volumes ratios. It was found that the fraction precipitated f is given by where V is the volume ratio and K and Vcare constants. For the case of NaCl this plot was found to be a broken line composed of two straight lines intersecting at the point of “salting out.1{\textquoteright} A scheme is suggested to separate the three electrolytes using isopropylamine to precipitate NaCl and acetone to precipitate NaBr.",

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N2 - The precipitation of NaX (X = Cl, Br, I) from their saturated aqueous solution by three miscible organic solvents (MOS)—acetone, acetonitrile and isopropylamine—was studied for various MOS-aqueous solution volumes ratios. It was found that the fraction precipitated f is given by where V is the volume ratio and K and Vcare constants. For the case of NaCl this plot was found to be a broken line composed of two straight lines intersecting at the point of “salting out.1’ A scheme is suggested to separate the three electrolytes using isopropylamine to precipitate NaCl and acetone to precipitate NaBr.

AB - The precipitation of NaX (X = Cl, Br, I) from their saturated aqueous solution by three miscible organic solvents (MOS)—acetone, acetonitrile and isopropylamine—was studied for various MOS-aqueous solution volumes ratios. It was found that the fraction precipitated f is given by where V is the volume ratio and K and Vcare constants. For the case of NaCl this plot was found to be a broken line composed of two straight lines intersecting at the point of “salting out.1’ A scheme is suggested to separate the three electrolytes using isopropylamine to precipitate NaCl and acetone to precipitate NaBr.

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Separation of the System NaCI-NaBr-Nal by “Solventing Out” from Aqueous Solution

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