Processes for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
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United States of America Patent
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Jan 17, 1989
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N/A
app pub date -
Aug 21, 1987
filing date -
Oct 12, 1984
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Abstract
Novel sorbents comprising (a) an alumina substrate having a pore volume between 0.4 and 0.8 cc/g, and (b) an alkali or alkaline earth component, for example, sodium carbonate, wherein the amount of the alkali or alkaline earth component is between 50 and 400 .mu.g per m.sup.2 of the substrate. The sorbents of the present invention are outstandingly effective for the removal of nitrogen oxides, sulfur oxides and hydrogen sulfide from waste gas streams.
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