METHOD OF PREPARING ABSORBENT TO REMOVE CRUDE OIL, ITS DERIVATIVES, AND ORGANIC SOLVENTS FROM WATER SURFACES Russian patent published in 1997 - IPC
Abstract RU 2097123 C1
FIELD: removal of oil from water surface. SUBSTANCE: absorbent is prepared by hydrophobization of cellulose material with water-insoluble soap. EFFECT: facilitated oil removal. 1 tbl