Control of combustion system emissions

Details Control of combustion system emissions Control of combustion system emissions

2011-07-05

2011-07-05

Langel, Wayne (Department: 1736)

Furnaces

Process

Treating fuel constituent or combustion product

C110S203000, C110S345000, C241S021000, C423S210000, C423S230000, C423S24000R, C423S244070, C423S244080

Reexamination Certificate

active

07971540

ABSTRACT:
A process for capturing undesirable combustion products produced in a high temperature combustion system. Very finely sized particles of alkaline earth carbonates or hydroxides, with or without added ground fly ash, are provided in slurry form and are injected into the high temperature zone of a furnace. The particles flash calcine to provide substantially unagglomerated particles having a particle size of less than about 0.5 microns to capture and neutralize SOx, NOx, and toxic chemicals.

REFERENCES:
patent: 6685908 (2004-02-01), Yaniv
patent: 2004/0018133 (2004-01-01), Radway
patent: 2006/0106118 (2006-05-01), Husband et al.

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