Universidad Simon Bolivar

Ulises Leonardo Lacoa

Carlos Ali Rocha

Fernando Antonio Morales

Dosinda Gonzalez

Maria Lourdes Iturralde

The present invention is directed to methods for preparing biosurfactants for use in stabilizing emulsions of high viscosity hydrocarbons such as high viscosity crude oil wherein the biosurfactant is a metabolite of Pseudomonas Aeruginosa (USB-CS1). The resulting biosurfactant can be used to produce stabilized emulsions having a viscosity of below about 500 centipoise and, more preferably, below about 100 centipoise at ambient temperatures.

Production of oily emulsions mediated by a microbial tenso-active agent

The present invention is directed to biosurfactant stabilized emulsions of high viscosity hydrocarbons such as high viscosity crude oil wherein the biosurfactant is a metabolite of Pseudomonas aeruginosa (USB-CS1) and two methods for making the same. Preferably, the viscosity of the biosurfactant stabilized emulsions is below about 500 centipoise and, more preferably, below about 100 centipoise at ambient temperatures.

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Caracas, Venezuela

Ulises Leonardo Lacoa