Experimental Investigation of Closed Porosity of Inorganic Solidified Foam Designed to Prevent Coal Fires

<div>Photograph and micrographs of ISF based on different SDS concentrations: (a) the 10 × 10 × 10 cm sample, those with (b) 3.2 × 10−3 mol/L, (c) 5.3 × 10−3 mol/L, (d) 7.4 × 10−3 mol/L, and (e) 9.5 × 10−3 mol/L SDS, and (f) the hydration products near the hole on the pore walls.</div>

Advances in Materials Science and Engineering

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Figure 3

Figure 3: Experimental Investigation of Closed Porosity of Inorganic Solidified Foam Designed to Prevent Coal Fires 