B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 47/14 (2006.01) B01D 53/14 (2006.01) B01D 53/52 (2006.01) B01D 53/70 (2006.01)
Patent
CA 2226682
A method for removing hazardous gases having water solubility from storage tanks (22) by scrubbing steps is described together with a method for removing ethylene dichloride or hydrogen sulfide contamination from soil (66) is disclosed. A scrubbing tower (30) mounted on a mobile frame (70) that is movable between a horizontal transport position (A) and a vertical operating position (B) is also described. A means is provided for distributing gas upwardly (34) through the scrubbing tower (30), and water downwardly (38) through the scrubbing tower (30), when the tower (30) is in the vertical operating position (B). The apparatus (20) also includes a blower (26) and a pump (58) mounted on the mobile frame (70), the blower (26) being connectable with a source of hazardous gases enclosed within a storage vessel (22), and the pump (58) being connectable with a source of water (52). The apparatus (20) is especially beneficial in removing water soluble hazardous compounds, such as ethylene dichloride and hydrogen sulfide, from gaseous atmospheres.
L'invention porte sur un procédé d'extraction de gaz dangereux hydrosolubles de cuves de stockage (22) par lavages successifs et sur un procédé d'élimination du dichlorure d'éthylène et du sulfure d'hydrogène ayant contaminé un sol (66), faisant appel à une tour de lavage (30) montée sur un châssis mobile (70) et pouvant passer d'une position horizontale de transport (A) à une position verticale d'utilisation (B). Ladite tour (30) est munie d'un moyen faisant circuler le gaz de bas en haut (34) et de l'eau de haut en bas (38) alors qu'elle est en position verticale d'utilisation(B). L'appareil (20) comporte également une soufflante (26) et une pompe (58) montées sur le châssis (70), la soufflante (26) étant reliée à la source de gaz dangereux contenu dans la cuve (22), et la pompe (58) l'étant à une source d'eau (52). L'appareil (20) est spécialement adapté à l'extraction de composés hydrosolubles dangereux tels que le dichlorure d'éthylène et le sulfure d'hydrogène présents dans des atmosphères gazeuses.
Cradeur Robert R.
Mehta Nishanath
Trahan Timothy W.
Mccarthy Tetrault Llp
Psc Industrial Outsourcing Inc.
Serv-Tech Inc.
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