Hybrid wet and dry electrostatic precipitator ammonia scrubber

Details Hybrid wet and dry electrostatic precipitator ammonia scrubber Hybrid wet and dry electrostatic precipitator ammonia scrubber

2007-12-25

2007-12-25

Vanoy, Timothy C. (Department: 1754)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

C423S243010, C423S243060, C423S244010, C204S164000, C204S174000, C204S177000, C204S178000

Reexamination Certificate

active

11361148

ABSTRACT:
A process reduces SOxemissions in a flue gas stream by adding a wet collector plate section to an existing electrostatic precipitator (ESP) or by converting the last field of an existing ESP to wet operation. To achieve the conversion, the last field or fields of an existing dry ESP are removed and replaced with components made from materials suitable for operation in a wet environment. After the ESP contains wet operation, ammonia is added to the flue gas stream while it is progressing through the collection plates in the ESP.

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patent: 6991771 (2006-01-01), Duncan et al.
patent: 2003/0108469 (2003-06-01), Alix et al.
patent: 56-118716 (1981-09-01), None

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