FIELD: chemistry.
SUBSTANCE: invention relates to silicon dioxide-based sorbent materials and can be used in removing a hydrocarbon film from a water surface. Cationic surfactant - hexylamine - is added as a hydrophobisator to a suspension of Aerosil-380 silicon dioxide while shaking or churning the suspension, followed by drying the formed bulky foam.
EFFECT: sorbent has high sorption capacity and easy to prepare.
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