Magnetic solvent extraction

Details Magnetic solvent extraction Magnetic solvent extraction

1989-11-13

1991-08-27

Jones, W. Gary

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210222, 210511, 210695, 252 6251, 252 6256, 427127, B01D 1104, C02F 126, C02F 148

Patent

active

050430700

ABSTRACT:
Particles of a magnetic material coated with a hydrophobic surfactant are dispersed in an organic solvent extractant to produce a magnetic solvent extractant which can be used in solvent extraction processes. Phase separation of an organic phase, carrying the component to be separated, from the aqueous phase can be accelerated by applying a magnetic field to the organic phase. After removal of the organic phase, a magnetic field can be applied to the aqueous phase to remove any residual organic phase and thereby enhance the degree of separation.

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J. Y. Hwang, et al., Society of Mining Engineers of AIME preprint No. 85-11, presentation at SME-AIME Annual Meeting, Feb. 24-28, 1985.
P. Parsonage, "Selective Magnetic Coating for Mineral Separation", Trans. Instn. Min. Metall, 93, Mar. 1984.

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