Dry scrubbing air filtration media

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United States of America Patent

PATENT NO 8247346
SERIAL NO

12726746

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A solid air filtration medium includes an impregnate with an organic amine and an inorganic metal salt. The medium has from about 0.1 to about 25% by weight of impregnate. The impregnate contains from about 0.1 to about 5% by weight organic amine, and the organic amine includes aqueous urea, solid urea, melamine or mixtures thereof. The impregnate contains from about 0.1 to about 5% by weight metal salt, and the metal salt includes magnesium oxide, calcium oxide or mixtures thereof. The impregnate optionally further includes a surfactant such as polyacrylic acid. Methods for forming a solid air filtration medium having an impregnate containing an organic amine and an inorganic metal salt and methods for removing contaminants from a fluid stream are also provided.

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Patent Owner(s)

Patent OwnerAddress
PURAFIL INC2654 WEAVER WAY DORAVILLE GA 30340

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
England, William G Suwanee, US 24 239

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