Method for treating exhaust gas

Details Method for treating exhaust gas Method for treating exhaust gas

1987-02-24

1989-08-01

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423242, 55 10, B01J 800, C01B 1700, C01B 2100

Patent

active

048531944

ABSTRACT:
A method for treating an exhaust gas which includes leading a coal-fired exhaust gas to a dry denitrating device, removing oxides of nitrogen from the exhaust gas in the device, leading the exhaust gas to a dry electric dust collector and a wet waste smoke desulfurizing device disposed at downstream positions, and removing dust from the exhaust gas in these devices. A sodium compound containing solution is sprayed into the exhaust gas flowing between the dry denitrating device and the dry electric dust collector thereby increasing the efficiency of the dust collector, and the resulting dry solids are then collected together with the dust by the dry electric dust collector.

REFERENCES:
patent: 3665676 (1972-05-01), McKewen
patent: 4039304 (1977-08-01), Bechthold et al.
patent: 4350670 (1982-09-01), Matsuda et al.
6032 JAPCA Journal of the Air Polution Control Association, vol. 33 (1983), Jan., No. 1, pp. 23-28.
6032 JAPCA Journal of the Air Polution Control Association, vol. 36 (1986), Aug. 1986, pp. 953-958.
8193 Staub-Reinhaltung der Luft 44 (1984), Jun., No. 6, pp. 285-291.

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