Process for cleaning hot waste gas occuring in varying amounts

Details Process for cleaning hot waste gas occuring in varying amounts Process for cleaning hot waste gas occuring in varying amounts

1986-01-23

1988-07-05

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423240, 423242, C01B 2100, C01B 700, C01B 1750

Patent

active

047553669

ABSTRACT:
The ability of a waste gas cleaning spray drying absorber to tolerate substantial variations in the amount of waste gas to be cleaned is enhanced by a system which provides for introduction of any amount of waste gas that would overload the gas disperser(s) of the spray drying absorber, into said absorber via auxiliary apertures in the walls thereof thereby bypassing the gas disperser(s).
A plant for cleaning fluctuating amounts of waste gas comprises a control system based on measurement of gas flow to the gas disperser(s).

REFERENCES:
patent: 4246242 (1981-01-01), Butler et al.
patent: 4452765 (1984-06-01), Peterson et al.
patent: 4481171 (1984-11-01), Baran et al.
patent: 4560543 (1985-12-01), Caspersen et al.
patent: 4585633 (1986-04-01), Van Camp et al.

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