High-gradient magnetic separation of microparticles on membrane separation unit

被引：0
|
作者：
S. N. Podoinitsyn
O. N. Sorokina
A. L. Kovarski
机构：
[1] Russian Academy of Sciences,Emanuel Institute of Biochemical Physics
来源：
Russian Journal of Physical Chemistry B | 2016年 / 10卷
关键词：
high-gradient magnetic separation; ferromagnetic resonance; ferromagnetic membrane;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A simple design of a magnetic separator based on a membrane made of a laser-perforated ferromagnetic foil has been proposed. The separator is primarily intended for analytical and research purposes. The developed magnetic separator of the proposed design has been tested in the separation of a composite aqueous suspension of magnetite nanoparticles adsorbed on hydroxyapatite microparticles. Separation efficiency has been determined via measuring the magnetic moment by the ferromagnetic resonance method; the suspension particle size has been found by dynamic light scattering before and after the separation process. It has been shown that all the particles with a diameter of more than 500 nm are retained during separation; the magnetization of the fraction decreases twofold after passing through the membrane.
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页码：321 / 326
页数：5
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