Method for simultaneously scrubbing cement kiln exhaust gas and producing useful by-products therefrom
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United States of America Patent
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Dec 29, 1987
Issued Date -
N/A
app pub date -
Sep 5, 1986
filing date -
Jul 25, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to an apparatus and method for simultaneously scrubbing acidic exhaust gases and removing metal salts from alkaline waste dust from a cement plant or the like thereby producing useful products from what would otherwise be wasted. In essence the two wastes are combined in water and the resulting solution and precipitate separated in a tank. The solution is useful both to cool incoming waste gas and as a fertilizer, whilst the precipitate is suitable as kiln feed stock.
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Cited Art Landscape
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