Method of cleaning gas from solid and gaseous matter and apparat

Details Method of cleaning gas from solid and gaseous matter and apparat Method of cleaning gas from solid and gaseous matter and apparat

1989-08-25

1990-09-18

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55122, 55 94, 55223, B03C 100

Patent

active

049575120

ABSTRACT:
A method of cleaning gas from solid and gaseous matter is accomplished by a two-stage scrubbing of a gas flow with a liquid. For the first-stage scrubbing, the gas is admitted at a velocity of 30-40 m/s and is cooled in the course of scrubbing to the temperature of its adiabatic saturation. For the second-stage scrubbing, a flow of gas/liquid mixture is admitted at a velocity of 50-70 m/s, being then cooled at 40.degree.-50.degree. C. Electric precipitation of unwanted matter takes place at a field strength of 5-9 kV/cm. The velocity of the gas/liquid flow through the electric field is 3-4 m/s, and the cooling effect at this stage reduces the temperature of the gas/liquid mixture to 20.degree.-25.degree. C.
The apparatus which materializes the method of cleaning gases comprises means of scrubbing the gas, which are successively interconnected by a fluid flow and consist of a first means in the form of a scrubbing tower and a second means in the form of a Venturi tube, and at least one electric precipitator.

REFERENCES:
patent: 4152123 (1979-05-01), Hegemann et al.
patent: 4194889 (1980-03-01), Wanner
patent: 4469493 (1984-09-01), Tuovinen et al.
patent: 4781732 (1988-11-01), Wondrasch et al.

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