Strength and Microscopic Characteristics of Slag-Based Geopolymer-Solidified Sludge after Dry–Wet Cycling with Chloride Salt Solutions

Figure 2

Blast furnace slag and alkaline exciter used in the experiment. (a) Blast furnace slag. (b) Na₂SiO₃. (c) Calcium carbide slag. (d) NaOH.

(a)

(b)

(c)

(d)