Process for reclaiming bentonite and carbon particles from used foundry sand
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United States of America Patent
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Nov 17, 1992
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N/A
app pub date -
Nov 25, 1991
filing date -
Nov 23, 1990
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Expired
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Abstract
A process for separating bentonite and carbon carrier particles from an air-dust mixture generated from a mechanical used-sand reclamation unit and, more particularly, a process as aforesaid wherein the bentonite and carbon carrier particles are recycled to a foundry sand preparation unit.
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