C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 33/00 (2006.01) C10G 31/08 (2006.01) C10G 33/02 (2006.01) C10G 33/04 (2006.01)
Patent
CA 2361739
The invention is directed towards a process for desalting crude oil that requires less wash water than conventional desalting methods. In the preferred embodiment of the invention, a chemical demulsifier formulation comprising an emulsion-breaking chemical and a solvent carrier is added to the crude oil. Wash water is then added to the crude oil until the volume of water in the oil ranges from about 0.1 to about 3 vol. %. Subsequently, the mixture of crude oil, wash water, and chemical demulsifier formulation may be subjected to opposed-flow mixing.
La présente invention concerne un procédé de dessalage de pétrole brut qui demande moins d'eau de lavage que les procédés conventionnels. Dans une réalisation préférée de l'invention, une formulation de désémulsionneur chimique, comprenant un produit chimique cassant les émulsions et un support solvant, est ajoutée au pétrole brut. L'eau de lavage est alors ajoutée au pétrole brut jusqu'à ce que le volume d'eau dans le pétrole soit environ de 0,1 à environ 0,3 % en volume. Par la suite, le mélange de pétrole brut, d'eau de lavage et de formulation de désémulsionneur chimique peut être soumis à un mélange à contre-courant.
Brons Cornelius Hendrick
Hemrajani Ramesh Relumal
Manalastas Pacifico Viernes
Sartori Guido
Savage David William
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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