Method and apparatus for removing oil from water including...

B - Operations – Transporting – 01 – D

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Details

B01D 15/08 (2006.01) B01D 17/02 (2006.01) B01D 29/11 (2006.01) B01D 35/143 (2006.01) C02F 1/40 (2006.01) C02F 1/68 (2006.01) C02F 1/28 (2006.01)

Patent

CA 2422074

Apparatus in fluid communication with a water leg portion of a hydrocarbon- contaminated water, e.g., a water leg portion of an offshore drilling or production platform sump tank for conveying water, separated from oil, into contact with organophilic media canisters such that the hydrocarbons and other organic materials commingled with the sump tank water will be adsorbed onto the organophilic media and detected by the embedded probe in selected canisters. The canisters are provided in a plurality of stacks and are in fluid communication with a header disposed at the bottom of the vessel housing the various stacks of canisters. Solids that do not pass through the canisters are accumulated at the bottom of the vessel and easily drained through a drain port. The water will pass through the media and will be conveyed back to the ocean water without contamination . At some point in time, the organophilic media will become "spent" and at a certain "spent level", the saturated condition of the organomedia will be electronically detected by the embedded probe and alarm/control panel. The alarm indicates that the "spent" organophilic media should be replaced with fresh media or the spent media regenerated.

L'invention se rapporte à un appareil en communication fluidique avec une eau contaminée par des hydrocarbures, par exemple une partie chemise d'eau d'un forage en mer ou d'un réservoir de boues de plate-forme de production. Ledit appareil sert à transporter l'eau, séparée de l'huile, et à l'amener en contact avec des bidons de milieu organophile de sorte que les hydrocarbures et autres matières organiques mélangées à l'eau du réservoir de dépôt soient adsorbés sur le milieu organophile et détectés par la sonde intégrée dans des bidons sélectionnés. Les solides qui ne passent pas à travers les bidons s'accumulent au fond de la cuve et sont facilement drainés au moyen d'un orifice de drainage. L'eau traverse le milieu, puis est rejetée, non contaminée, dans l'eau de l'océan. Au bout d'un certain temps, le milieu organophile est "épuisé" et à un certain "niveau d'épuisement", l'état de saturation de ce milieu organique est détecté électroniquement par la sonde intégrée et le panneau de commande/alarme. L'alarme indique que le milieu organophile "épuisé" doit être remplacé par une milieu frais ou un milieu épuisé régénéré.

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