Catalytic embers for use with a gas fired log set
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United States of America Patent
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Oct 19, 2004
Grant Date -
Feb 27, 2003
app pub date -
Aug 7, 2002
filing date -
Aug 9, 2001
priority date (Note) -
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Abstract
A synthetic ember comprising refractory ceramic wool coated with about 0.10 wt. % to about 5.0 wt. % of an oxidation catalyst of Pt, Pd, Rh, Co, Mn and mixtures thereof for use in small pieces as embers in a gas-fired log set or fireplace. The refractory ceramic wool preferably has a surface area of from 20 to 200 square meters per gram and a density of 0.01 to 0.05 grams per cubic centimeter and the catalytic embers are less than one inch square. The synthetic embers increase heat recoverable at a given BTU from a flame, with reduced nitrogen oxides, hydrocarbons and CO emissions and improved aesthetics.
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