Regeneration method for gas treating apparatus

Details Regeneration method for gas treating apparatus Regeneration method for gas treating apparatus

1972-08-07

1976-02-17

Vertiz, Oscar R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423522, C01B 1700, B01J 800

Patent

active

039392511

ABSTRACT:
A method of desulphurization of a flue gas comprising passing a flue gas to a plurality of adsorption beds each having an activated carbon layer packed therein thereby separating a sulphur oxide contained in the flue gas by adsorption of the sulphur oxide in the activated carbon; continuing the adsorption until the concentration of sulphur oxide acid in the activated carbon reaches a predetermined value; providing a liquid for regenerating the activated carbon with at least one of the adsorption beds in order to wash down the activated carbon layer, wherein the introduction of the liquid into the adsorption bed to be regenerated is carried out while keeping all the passageways for introducing the flue gas into the adsorption beds open, thereby reducing a flow amount of flue gas in the adsorption bed to be regenerated so as to suppress adsorption of the sulphur oxide therein and to regenerate the adsorption bed. The supply of the regenerating liquid to each of the adsorption beds is repeatedly carried out in accordance with a predetermined time schedule.

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