Figure 1
SEM images of the four rice straw adsorbents at 10,000x resolution (5 μm). Sp, rice straw powder; Sa, rice straw ash; Sb, rice straw biochar; and Ms, modified rice straw.
Figure 1 | Scientific Reports
SEM images of the four rice straw adsorbents at 10,000x resolution (5 μm). Sp, rice straw powder; Sa, rice straw ash; Sb, rice straw biochar; and Ms, modified rice straw.
