Integrated SCR electrostatic precipitator

Details Integrated SCR electrostatic precipitator Integrated SCR electrostatic precipitator

1994-03-23

1995-06-13

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

95 59, 95 63, 96 52, 96 55, 422172, 422187, 4232391, B01D 5332, B01D 5356

Patent

active

054240441

ABSTRACT:
An integrated SCR ESP employs catalytic collector plates for NO.sub.x and particulate removal. Ammonia injected either directly in the ESP or upstream therefrom catalytically reduces NO.sub.x to nitrogen and water. The excess ammonia assists in capturing particulates in the ESP. This prevents problems of ammonia slippage. The SCR catalytic collector plates are positioned in at least one field of the ESP and preferably in at least the first field.

REFERENCES:
patent: 4434147 (1984-02-01), Dimpfl et al.
patent: 4888158 (1989-12-01), Downs
patent: 4925633 (1990-05-01), Doyle
patent: 5008628 (1991-04-01), Krigmont et al.
patent: 5300270 (1994-04-01), Krigmont et al.

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