Figure 5
SEM images of the precipitates from the synthetic supernatant at pH = 7.9 with an alkalinity of (a) 232 mg/L as CaCO3, lignin = 0 g/L, (b) 3000 mg/L as CaCO3, lignin = 0 g/L, and (c) 3000 mg/L as CaCO3, lignin = 6 g/L.
Figure 5 | Scientific Reports
