“…Therefore, the research on ash content, volatile matter, and caloric value holds signicant importance in guiding the rational, clean, and efficient utilization of petroleum coke. 7,8 Analysis of the petroleum coke properties can be conducted through direct property determination or elemental content analysis. Direct property determination method covers traditional high-temperature calcination and oxygen bomb calorimetry method, and rapid techniques such as X-ray, g-ray and microwave methods.…”