Potentials For Use Of Biosurfactants In Oil Spills
Cleanup And Oil Bioremediation
Author(s)
I.M. Banat
Abstract
Biosurfactant are environmental friendly, effective and stable compounds with
many advantages over synthetic surfactants. Their use is gaining prominence in
several industrial applications due to their broad capabilities which includes
emulsification, wetting, foaming, solubilisation and viscosity reduction. Their
main types are glycolipids in which carbohydrates are attached to a long-chain
aliphatic acids. Other more complex types such as lipopeptides, lipoproteins and
heteropolysaccharides also exist. The use of biosurfactants for oil spills cleanup
or enhanced oil recovery involves a reduction of the oil-water interfacial tension
leading to its emulsification. Stable emulsions are formed because biosurfactants
lowers interfacial tension between interfaces and oil. Such an effect can be
achieved throug
Keywords
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