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

Table 2

Data on holes before and after conductive heating.

Sample type	Hole counting point	Average porosity (%)	Average hole perimeter (μm)
Initial state oil shale sample	826	6.620	1.574
After conduction-based heating at 300°C	517	11.271	2.139
After conduction-based heating at 400°C	488	14.705	1.759
After conduction-based heating at 500°C	1,057	20.966	3.486