Alkaline Activation of Basic Oxygen Furnace Slag Modified Gold Mine Tailings for Building Material

Figure 4

Micrograph and EDS of (a) GMT geopolymer at optimum conditions, 15 M NaOH; (b) GMT geopolymer at optimum conditions, 10 M KOH; (c) GMT: BOFS geopolymer at elevated conditions, 10 M NaOH; (d) GMT: BOFS geopolymer at optimum conditions, 10 M KOH.

(a)

(b)

(c)

(d)