Method for purifying gas loaded with dust

Details Method for purifying gas loaded with dust Method for purifying gas loaded with dust

B - Operations, Transporting

01

D

B01D 47/14 (2006.01) B01D 50/00 (2006.01)

Patent

CA 2229945

Method for purifying gas loaded with dust particles of various sizes, which method comprises the following steps: (a) the gas loaded with dust particles is subjected to wet gas scrubbing at or above the dew point, during which operation any acid gaseous components present in the gasare absorbed and the major proportion of coarse dust particles having a size of ~ 50 µm is removed by a scrubbing liquid, after which (b) the remaining dust particles present in the gas are collected at or above the dew point in an installation for removing dust from gas, purified gas being obtained.

Méthode pour purifier un gaz chargé de particules de poussières de taille variable, comprenant les étapes suivantes : a) le gaz chargé de particules de poussières est soumis à un lavage par voie humide au point de rosée ou au-dessus, au cours duquel tout constituant gazeux acide présent est absorbé et la majeure partie des particules grossières de poussières, mesurant ~ 50 microns, sont éliminées par un liquide de lavage; b) les particules de poussières restantes, présentes dans le gaz, sont recueillies au point de rosée ou au-dessus, dans une installation de dépoussiérage des gaz. On obtient ainsi finalement un gaz purifié.

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