Before, graphite petroleum coke was used in coking devices, which are a key part of the heat treatment process in the petrochemical industry. This process is all about dealing with leftover oil, which is known for being of poor quality and causing problems when it's processed further. In the coking process, the residual oil is converted into petroleum coke and various light petroleum products. The petroleum coke that's left over is then sorted into two types: ordinary and high-quality. The high-quality coke is what's eventually turned into graphite petroleum coke. The difference between the two types is mostly down to whether they're good for making electrodes and other high-quality graphite products.
Ordinary petroleum coke is usually pretty low quality, and the light oil products obtained from it are also of poor quality, with a high residual carbon content and a high metal content. So, we have to recycle it to make good quality petroleum products. And while you can find natural graphite in nature, man-made graphite is often used in foundries because it's got so many benefits. You can precisely control the porosity, carbon content and degree of graphitization of artificial graphite, allowing you to better meet specific requirements. Petroleum coke is also used to make graphite.
