Mechanism on Activation of Coal Gangue Admixture

Figure 8

Micromorphology of the coal gangue sample and under different meshes. (a) Raw coal gangue. (b) 20–100 mesh. (c) 100–180 mesh. (d) 180–300 mesh. (e) 300–400 mesh. (f) Over 400 mesh.

(a)

(b)

(c)

(d)

(e)

(f)