Device and process for the purification of gaseous pollutants by a biological route

The invention disclosed relates to the biological cleaning of pollutant gas. The device is comprised of a housing (1) consisting of a cyclone wherein the biofilter (20) is separated from the truncated portion (3) of the cyclone (2) by means of a wall (11) delimiting with said truncated portion an in...

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Bibliographic Details
Main Author TERROM GERARD
Format Patent
LanguageEnglish
French
Published 19.02.1993
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Summary:The invention disclosed relates to the biological cleaning of pollutant gas. The device is comprised of a housing (1) consisting of a cyclone wherein the biofilter (20) is separated from the truncated portion (3) of the cyclone (2) by means of a wall (11) delimiting with said truncated portion an inlet chamber (12) for the fluid to be cleaned, and extending radially under the biofilter (20) from at least one inlet orifice (6) for the supply means (4, 5) to an annular outlet orifice (13) adjacent to the internal walls of the cyclone, so as to create a radial and centrifugal inlet flow in the chamber (12). Application to industrial gas effluents. - Epuratin gazeuse par voie biologique. - Le dispositif comporte une enceinte (1) constituée d'un cyclone (2) dans lequel le biofiltre (20) est séparé de la partie tronconique (3) du cyclone (2) par une paroi (11) délimitant avec ladite partie tronconique une chambre d'admission (12) du fluide à dépolluer, s'étendant radialement sous le biofiltre (20), à partir d'au moins un orifice d'entrée (6) pour les moyens d'alimentation (4, 5) juqu'à un orifice de sortie annulaire (13) bordant les parois internes du cyclone, de manière à créer un flux d'admission radial et centrifuge dans la chambre (12). - Application aux effluents gazeux de l'industrie.
Bibliography:Application Number: FR19910010466