Waste foundry sand to frac sand process

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United States of America Patent

PATENT NO 9192984
APP PUB NO 20150114888A1
SERIAL NO

14065651

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Abstract

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Foundries utilize quartz foundry sand and generate waste foundry sand as a by-product. Frac sand exists with other components within the waste foundry sand. A configuration of machinery processing a flow of quartz waste foundry sand into frac sand includes a screening device separating the flow and providing the frac sand.

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Patent Owner(s)

Patent OwnerAddress
LESTERS FRANCIS ANot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lesters, Francis A Naperville, US 4 0

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