METHOD OF PREPARING SORBENT FOR COLLECTING SPILT OIL Russian patent published in 1997 - IPC

FIELD: liquidation of oil pollution. SUBSTANCE: invention's objective is preparing sorbent with particle diameter larger than 0.5 mm, increasing strength and water resistance of particles, and conferring them magnetic properties. To this effect, once preliminarily foamed polystyrene granules are covered with binding agent, they are dispersed and simultaneously 1:2 mixture of powdered carbon black and strontium ferrite is fed, amount of fed powdered mixture constituting 20-60% based on binder weight. EFFECT: improved performance characteristics of sorbent. 1 tbl