Multi-stage process for reducing the concentration of pollutants in an effluent
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United States of America Patent
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Oct 15, 1991
Issued Date -
N/A
app pub date -
May 23, 1989
filing date -
Feb 13, 1987
priority date (Note) -
Expired
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Abstract
A process is presented for reducing the concentration of pollutants in an effluent from the combustion of a carbonaceous fuel. The process comprises introducing a first treatment agent into the effluent at a first temperature zone to reduce the concentration of a first pollutant and introducing a second treatment agent into the effluent at a second temperature zone to reduce the concentration of either the first pollutant or a second pollutant, wherein the first and second treatment agents are introduced under conditions effective to reduce the effluent pollution index.
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