An Experimental Study on Wetting of Coal Dust by Surfactant Solution

<div>Contact angle projections of four surfactant solutions on coking coal tablets: (a) OP-10 solutions at different mass concentrations; (b) four surfactant solutions at <i>c</i><sub>m1</sub> = 0.05%.</div>

Advances in Materials Science and Engineering

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Figure 5

Figure 5: An Experimental Study on Wetting of Coal Dust by Surfactant Solution 