C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/40 (2006.01) B01D 11/04 (2006.01) B01D 17/02 (2006.01) B01D 17/025 (2006.01) B01D 17/038 (2006.01) B04C 5/00 (2006.01) B04C 11/00 (2006.01)
Patent
CA 2281571
The invention is a new process for simultaneous extraction of dispersed and dissolved hydrocarbon contaminants from water. The process is based on the principle of injecting natural hydrocarbon gas to the water feed stream under pressure and temperature conditions which permits the gas to act as a solvent for dissolved and dispersed hydrocarbon contaminants. The dispersed particles "swell" and have a reduced density which markedly improve the efficiency of the downstream separation by liquid-liquid-hydrocyclones.
L'invention concerne un nouveau procédé d'extraction simultanée de contaminants d'hydrocarbures dispersés et dissous, à partir d'eau. Ce procédé est basé sur le principe consistant à injecter du gaz d'hydrocarbure naturel au courant d'alimentation d'eau, dans des conditions de pression et de température permettant au gaz d'agir en tant que solvant pour les contaminants d'hydrocarbures dissous et dispersés. Les particules dispersées gonflent et présentent une moindre densité, ce qui a pour effet d'améliorer l'efficacité de leur séparation en aval à l'aide d'hydrocyclones liquide/liquide.
Henriksen Inge Brun
Pace Gary William
Cagniard de La Tour As
Fetherstonhaugh & Co.
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