Synergistic acid blend extraction aid and method for its use

Details Synergistic acid blend extraction aid and method for its use Synergistic acid blend extraction aid and method for its use

C - Chemistry, Metallurgy

10

G

C10G 21/06 (2006.01) C10G 21/08 (2006.01) C10G 21/16 (2006.01) C10G 21/22 (2006.01) C10G 21/27 (2006.01)

Patent

CA 2715446

An extraction aid has been found which provides for en- hanced contaminate removal, such as metals and amines, from crude oils that uses components that are desirable in desalting processes as the components are water soluble, have low toxicity, are highly biodegradeable and exhibit high thermal stability. According to one embodiment of the invention, an extraction aid that provides enhanced extraction properties is comprised of a blend of acids, particularly water soluble acids. More specifically, a combination of two acids chosen from the group consisting of acetic acid, sulfuric acid, glycolic acid, citric acid and methanesulfonic acid.

L'invention porte sur un adjuvant d'extraction qui permet une élimination améliorée de contaminants, tels que des métaux et des amines, à partir de pétroles bruts, qui utilise des composants qui sont souhaitables dans des procédés de dessalage étant donné que les composants sont solubles dans l'eau, ont une faible toxicité, sont hautement biodégradables et présentent une stabilité thermique élevée. Selon un mode de réalisation de l'invention, un adjuvant d'extraction qui fournit des propriétés d'extraction améliorées est composé d'un mélange d'acides, en particulier d'acides solubles dans l'eau, de façon plus spécifique, d'une combinaison de deux acides choisis dans le groupe constitué par l'acide acétique, l'acide sulfurique, l'acide glycolique, l'acide citrique et l'acide méthanesulfonique.

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