Research Article

Pore Structure of Oil Shale Heated by Using Conduction and Microwave Radiation: A Case Study of Oil Shale from the Fushun in China

Figure 11

Scanning electron microscopy images of oil shale before and after microwave heating. (a) Oil shale in initial state. (b) Oil shale at 300°C. (c) Oil shale at 400°C. (d) Oil shale at 500°C.
(a)
(b)
(c)
(d)