Fig. 2From: Preparation of a new superhydrophobic/superoleophilic corn straw fiber used as an oil absorbent for selective absorption of oil from waterSEM images of the raw corn straw fiber (a, b) and superhydrophobic/superoleophilic corn straw fiber (c, d) at different magnifications. Compared to raw corn straw fiber, SiO2 particles compactly deposit on the superhydrophobic/superoleophilic corn straw fiber surfaceBack to article page