Pollutant emission control sorbents and methods of manufacture
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United States of America Patent
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Aug 18, 2009
Grant Date -
May 31, 2007
app pub date -
Nov 30, 2005
filing date -
Nov 30, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods include mixing fly ash particles with a sulfide salt and a metal salt to form a metal sulfide on the outer surface of the fly ash particles.
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International Classification(s)
- C22B:PRODUCTION OR REFINING OF METALS
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- B01D:SEPARATION
- [Classification Symbol]
- [Patents Count]
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