C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 29/20 (2006.01) C10G 19/02 (2006.01) C10G 21/20 (2006.01)
Patent
CA 2323051
The instant invention is directed to a process for extracting organic acids including naphthenic acids, heavy metals, and sulfur from a starting crude oil comprising the steps of: (a) treating the starting crude oil containing organic acids, heavy metals, and sulfur with an amount of an ethoxylated amine and water under conditions and for a time and at a temperature sufficient to form a water-in-oil emulsion of amine salt wherein said ethoxylated amine has formula (I): where m=1 to 10 and R=C3 to C6 hydrocarbon; (b) separating said emulsion of step (a) into a plurality of layers, wherein one of such layers contains a treated crude oil having decreased amounts of organic acids, heavy metals and sulfur; (c) recovering said layer of step (b) containing said treated crude oil having decreased amounts of organic acids, heavy metal and sulfur and layers containing water and ethoxylated amine salt.
L'invention concerne un procédé servant à extraire des acides organiques contenant des acides naphténiques, des métaux lourds et du soufre depuis une huile brute de départ, ce qui consiste à: (a) traiter l'huile brute de départ contenant des acides organiques, des métaux lourds et du soufre au moyen d'une quantité d'amine éthoxylée et d'eau dans des conditions, pendant une durée et à une température suffisantes pour obtenir une émulsion eau-dans-huile de sel d'amine, ladite amine éthoxylée présentant la formule (I) dans laquelle m=1 à 10 et R=hydrocarbure C¿3?-C¿6?; (b) séparer ladite émulsion de l'étape (a) en une pluralité de couches dont l'une contient une huile brute traitée possédant des quantités diminuées d'acides organiques, de métaux lourds et de soufre; (c) récupérer ladite couche de l'étape (b) contenant ladite huile brute traitée possédant des quantités diminuées d'acides organiques, de métaux lourds et de soufre et des couches contenant de l'eau et un sel d'amine éthoxylée.
Savage David William
Varadaraj Ramesh
Wales William Edward
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
LandOfFree
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