Method of manufacturing, concentrating, and separating enhanced magnetic parameter material from other magnetic co-products
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United States of America Patent
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May 30, 1989
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N/A
app pub date -
Jun 19, 1987
filing date -
Jun 19, 1987
priority date (Note) -
Expired
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Abstract
Disclosed is a method for separating initially non-magnetized ferromagnetic material. The material has a distribution of magnetic parameters, and is separated into a first fraction having relatively high magnetic parameters and a second fraction having relatively low magnetic parameters. The method comprises applying a magnetic field to the materials, the magnetic field being high enough to magnetize the low magnetic parameter fraction, but low enough to avoid substantial magnetization of the high parameter fraction. Thereafter the fractions of material are magnetically separated.
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