Graphitized Petroleum Coke (GPC) is a graphitized product formed by treating petroleum coke at high temperature. Petroleum coke is a by-product separated from crude oil during the petroleum refining process, which has a high carbon content, while graphitized petroleum coke is obtained through further graphitization, which has better electrical conductivity, thermal stability and lubrication properties.
Graphitized Petroleum Coke properties
1. High Purity Carbon Content: graphite petroleum coke typically has a carbon content of 99% or more, making it ideal for industrial applications requiring high carbon purity.
2. Good electrical conductivity: The graphitization process makes its carbon atomic structure become more orderly, which makes its electrical conductivity significantly enhanced.
3. High Temperature Resistance: The high melting point and high temperature stability of graphitic materials enable Graphite Petroleum Coke to maintain its physical properties at extreme temperatures.
4. Low Ash Content: Graphite Petroleum Coke has a very low ash content, which is important for some impurity-sensitive applications.
5. Low Sulfur Content: Graphite petroleum coke typically has a low sulfur content compared to natural graphite or untreated petroleum coke.
Graphitized Petroleum coke applications
1. Steel making industry: It is used as a carbon enhancer in the steel making process to increase the carbon content of steel and improve the properties of steel.
2. Aluminum Electrolysis Industry: Used in electrolysis tanks for aluminum production, graphite petroleum coke is often used to make carbon anodes to improve electrolysis efficiency.
3. Electrode materials: Due to its good electrical conductivity and high temperature stability, graphite petroleum coke can be used in the production of electrodes, especially in the process of steel making and aluminum electrolysis in electric arc furnaces.
4. Lithium-ion batteries: Graphitized carbon material is an important part of anode materials for lithium-ion batteries, and graphite petroleum coke can be used as a basic raw material for battery anode materials.
5. Friction materials and lubricants: Graphite's natural lubricity makes it useful in the manufacture of brake pads, clutches and some lubricating materials.
Graphite petroleum coke has a wide range of applications in metallurgy, chemical and battery fields due to its unique properties.
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