Research Article

Characteristics of the Coal Fines Produced from Low-Rank Coal Reservoirs and Their Wettability and Settleability in the Binchang Area, South Ordos Basin, China

Figure 9

Photomicrograph of different types of coal fines.
(a) ZX, angular shape
(b) FP, subangular and subcircular
(c) LS, subcircular and circular
(d) LX, subcircular