FIELD: demulsifying oil-in-water stabilized emulsions by introducing flocculant.
SUBSTANCE: used as flocculant is solution of hydrophobically modified chitosan at substitution degree of from 0.25 to 10% in the amount of from 0.1 to 100 mg of hydrophobically modified chitosan per liter of emulsion to be demulsified.
EFFECT: extended working range of pH and temperature range; reduced residual content of organic contaminants.
3 cl, 4 dwg
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