Method for the treatment of foundry sand and/or core sand
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United States of America Patent
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Dec 1, 1992
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N/A
app pub date -
Jan 24, 1991
filing date -
Jan 31, 1990
priority date (Note) -
Expired
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Abstract
A method for the re-processing of used foundry sand comprises a two cycle system including a conventional processing system for foundry sand and a second locally independent regeneration system for the recovery of the usuable components of the used sand such as carbon dust and bentonite.
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