C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 19/02 (2006.01)
Patent
CA 2404267
The present invention relates to a process for reducing naphthenic acid content of crude oils and its fractions in the presence of an aqueous base selected from Group IA and IIA hydroxides and ammonium hydroxide and mixtures thereof, a phase transfer agent at a temperature and pressure effective to produce a treated petroleum feed having a decreased naphthenic acid content and an aqueous phase containing naphthenate salts, phase transfer agent and base.
La présente invention concerne un procédé destiné à réduire la teneur en acide naphténique de pétroles bruts et de leurs fractions en présence d'une base aqueuse sélectionnée parmi les hydroxydes des groupes IA et IIA, de l'hydroxyde d'ammonium et des mélanges de ces éléments, et d'un agent de transfert de phase, à une température et à une pression permettant de produire un pétrole traité appauvri en acide naphténique et comprenant une phase aqueuse contenant des sels de naphténate, un agent de transfert de phase et une base.
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
LandOfFree
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