Research Article

Using Alkali-Activated Cementitious Materials to Solidify High Organic Matter Content Dredged Sludge as Roadbed Material

Figure 8

SEM images of dried dredged sludge and solidified sludge after curing for 28 days: (a) dried dredged sludge; (b) with 0% strong oxidant; (c) with 2% GH; (d) with 2% KMnO4.