Durability Analysis of Sludge Solidified with Soda Residue Subjected to Dry-Wet and Freeze-Thaw Cycles

Figure 7

SEM images for sample S5 ((a), (b)) before cycle; ((c), (d)) after 3 dry-wet cycles; ((e), (f)) after 6 dry-wet cycles; ((g), (h)) after 1 freeze-thaw cycle; and ((i), (j)) after 6 freeze-thaw cycles.

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