Frame ID: C14
Sample ID: Coal Combustion Char
Magnification: As given
Objective: 50x oil
Retarder Plate: Out
Important Features: Mixed Dense Char
Description: : The object in the center of the field is a typical mixed dense char. It is characterized by its irregular shape, composite nature and pore volume of less than 50%. This char was produced in an entrained flow reactor in nitrogen with a heating rate of 104-105 degrees C per second with a residence time of approximately one second at a maximum temperature of 1000 degrees C.