Figure 5.
XRD patterns of ZVIN for the reduction of (a) NO2- and (b) NO3- solutions with the initial concentrations of 150, 200, and 250 mg l-1, respectively.
XRD patterns of ZVIN for the reduction of (a) NO2- and (b) NO3- solutions with the initial concentrations of 150, 200, and 250 mg l-1, respectively.