Electrofilter

Details Electrofilter Electrofilter

1996-07-02

1998-06-16

Chiesa, Richard L.

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96 76, 96 96, 96 97, B03C 366

Patent

active

057663190

ABSTRACT:
In electric filters with a negative corona, an aerosol is formed in the entrance area if ammonia is present in the flue gas, reducing the separation performance of the filter. To avoid this, spray electrodes and separation electrodes provided in the entrance area of the filter are wired so that a positive corona forms there. In sections downstream in the flow direction of the gas, spray electrodes and separation electrodes are wired such that a negative corona forms there.

REFERENCES:
patent: 4209306 (1980-06-01), Feldman et al.
patent: 5037456 (1991-08-01), Yu
patent: 5567226 (1996-10-01), Lookman et al.
Dubbel, "Taschenbuch fur den Maschinenbau", W. Beitz et al., 1990, pp. L54, L55.
Journal of the Air Pollution Control Association, "Conditioning of Fly Ash with Ammonia", E. Dismukes, vol. 25, No. 2, pp. 152-156, 1975.

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