An Experimental Study on Wetting of Coal Dust by Surfactant Solution

Figure 1

Coal dust particle size distribution of coking coal sample: (a) No. 4–1, (b) No. 4–2; (c) No. 4–3; (d) No. 4-4; (e) No. 4–5; (f) No. 4–6.

(a)

(b)

(c)

(d)

(e)

(f)