Process and apparatus for purifying dust- and pollutant-containi

Details Process and apparatus for purifying dust- and pollutant-containi Process and apparatus for purifying dust- and pollutant-containi

Filed on

1991-03-31

Date issued

1992-11-03

Examiner

Nozick, Bernard

Patent Class

Gas separation

SubClass

Means within gas stream for conducting concentrate to collector

Other Related Categories

55 10, 55 12, 55119, 55122, 55112, B03C 300

Type

Patent

Status

active

Patent number

051605104

Description

ABSTRACT:
A process and apparatus are used for purifying dust- and pollutant-containing exhaust gases, which are first subjected in a first stage to a dry purification in a mass separator and are subsequently subjected in a second stage to an electrostatic purification in an electrostatic precipitator. In the second stage the exhaust gases are passed through one or more fields provided with liquid-wetted collecting electrodes, which define gas passages. The electrostatic precipitator also has an overflow trough and a collecting trough for each collecting electrode. Liquid supplied to the overflow trough flows onto the collecting electrode and then is collected in the collecting trough.

REFERENCES:
patent: 2708008 (1955-05-01), Hedberg et al.
patent: 2709497 (1955-05-01), Phyl
patent: 3238702 (1966-03-01), Seversky
patent: 3444668 (1969-05-01), Masuda
patent: 4529418 (1985-07-01), Reif et al.

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