Methods, systems, and devices for separating materials using magnetic and frictional properties
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United States of America Patent
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Nov 15, 2011
Grant Date -
Apr 1, 2010
app pub date -
Mar 31, 2009
filing date -
Mar 31, 2008
priority date (Note) -
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Abstract
A method for separating mixtures of solid materials includes incorporating a ferromagnetic particulate material into a mixture of solid materials and, after the incorporating step, separating the mixture of solid materials into at least two groups based on the magnetic and frictional properties of the different components of the mixture of solid materials. The ferromagnetic particulate material can differentially incorporate into or adhere to different components of the mixture of solid materials. The different components of the mixture have different frictional properties and, after the incorporating step, the different components have different magnetic properties.
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