Apparatus and method for reclaiming useful oil products from...

C - Chemistry – Metallurgy – 10 – M

Patent

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C10M 175/00 (2006.01) B01D 1/00 (2006.01) B01D 3/32 (2006.01)

Patent

CA 2308790

An apparatus and method for reclaiming a useful oil product, from waste oil provides an evaporation chamber in which waste oil is heated and vaporized, preferably at a temperature which causes some cracking of the oil. Hydrogen is injected into the vaporized oil, so to cause saturation of at least some of the olefins in the vaporized oil. The vaporized oil is then condensed and recovered as a useful oil product. The apparatus operates at substantially atmospheric pressure, or a pressure only slightly above atmospheric pressure. Hydrogenation of the vaporized oil stabilizes the recovered oil, and prevents formation of tars and other heavier hydrocarbons, which can cause difficulties in use of the recovered oil.

L'invention concerne un appareil et un procédé permettant de régénérer un produit pétrolier utile à partir d'huiles usagées. L'appareil comprend une chambre d'évaporation dans laquelle les huiles usagées sont chauffées et vaporisées, de préférence, à une température qui provoque le craquage de l'huile. De l'hydrogène est injecté dans l'huile vaporisée, pour provoquer la saturation d'au moins certaines des oléfines dans l'huile vaporisée. L'huile vaporisée est alors condensée et récupérée sous forme d'un produit pétrolier utile. L'appareil fonctionne à une pression sensiblement égale à, ou légèrement supérieure à la pression atmosphérique. L'hydrogénation de l'huile vaporisée stabilise l'huile récupérée, et empêche la formation de goudrons et d'autres hydrocarbures plus lourds qui risqueraient d'entraver l'utilisation de l'huile récupérée.

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