Figure 3
SEM images, FTIR, and XRD spectra of walnut shell biochar (WSC) and wood powder biochar (WPC) and modified ones with different acids and alkalis (After Liu et al.14).
Figure 3 | Scientific Reports
SEM images, FTIR, and XRD spectra of walnut shell biochar (WSC) and wood powder biochar (WPC) and modified ones with different acids and alkalis (After Liu et al.14).
