LOW NOx COMBUSTION APPARATUS
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United States of America Patent
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N/A
Issued Date -
Jun 3, 2010
app pub date -
Mar 6, 2008
filing date -
Mar 29, 2007
priority date (Note) -
Abandoned
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Abstract
Prvided is a catalyst degradation preventing apparatus of a catalyst device containing a catalyst component that comes into contact with gas to chemically change the gas, including a burner for burning a fuel by combustible air to generate a gas containing nitrogen oxides by combustion, an endothermic device for absorbing heat from gas, a catalyst device having a catalyst component for decreasing nitrogen oxides contained in the gas after passing through the endothermic device, and a first poisoning substance removing device for removing a poisoning substance containing at least sulfur, which is contained in the fuel and adsorbs to a catalyst component or reacts with the catalyst component to form a compound. According to the apparatus, the decrease in performance of the catalyst device is prevented, and the effect of decreasing pollution can be retained over a long period of time.
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