DISPERSANT FOR ELIMINATING PETROLEUM SPILLS Russian patent published in 2022 - IPC C09K3/32 C02F1/28 

FIELD: treatment of water.

SUBSTANCE: invention relates to the field of environmental protection and water bodies and is intended for eliminating the consequences of petroleum spills in marine water areas in the process of production, transportation, or storage of petroleum and petroleum products. Presented is a dispersant for eliminating petroleum spills, containing sorbitan monooleate 10 to 15 wt.%, polyoxyethylene sorbitan monooleate 15 to 20 wt.%, sodium dioctyl sulphosuccinate 15 to 25 wt.%, an inorganic additive selected from the following: sodium salts of boric, sodium salts of phosphoric, sodium salts of acetic acids 0.1 to 1 wt.%, a solvent constituting at least a mixture of water and liquid petroleum paraffins, wherein the water and the liquid petroleum paraffins are present in a mass ratio from 1:2 to 3:2, the rest up to 100 wt.%.

EFFECT: effective dispersion of petroleum from the surface of water provided that the following conditions are met: water temperature is from +10 to +30 °C, water salinity is from 5 to 30 ‰, including in conditions of weak waves.

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