Petcoke, also known as petroleum coke, is a carbon-rich solid material that is produced during the refining of crude oil. The specifications of petcoke can vary depending on the type and source of crude oil, as well as the processing method used to produce it. However, here are some of the general specifications for petcoke: - Carbon content: Typically ranges from 85% to 95% - Sulfur content: Can range from less than 1% to over 7% - Moisture content: Typically less than 5% - Ash content: Can range from less than 1% to over 10% - Volatile matter: Can range from less than 5% to over 20% - Size: Can range from a fine powder to large chunks Petcoke is primarily used as a fuel source in industrial processes, such as cement manufacturing, power generation, and steel production. It is a cheaper alternative to coal, and its high carbon content makes it an effective fuel for energy-intensive processes. However, its high sulfur content can contribute to air pollution and acid rain, so it is often subject to emissions regulations. Petcoke is also used in the production of anodes for the aluminum smelting industry, as well as in the production of graphite electrodes for the steel industry. In addition, it is sometimes used as a source of carbon in the production of certain chemicals and materials.