calcined petroleum coke

3 month ago

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Hebei Shitu New Materials Technology Co., LTD

4 month

Product details

Calcined coke is the product of high-temperature calcination of petroleum coke. It is mainly used in fields such as aluminum electrolysis, steel smelting, and carbon product manufacturing. Its high carbon content, low impurities, and high-temperature resistance make it a key industrial material.

Main uses

Aluminum electrolysis industry 1

Calcined coke is the core raw material for manufacturing pre-baked anodes used in aluminum electrolysis. Pre-baked anodes, as conductive materials in the electrolytic aluminum process, need to have high electrical conductivity, high-temperature resistance and corrosion resistance. The stability performance of calcined coke meets this requirement.

Steel Smelting 2

In steel production, calcined coke is added as a carburizer to molten iron, which can increase the carbon content of steel and improve its mechanical properties (such as hardness and strength). Its low sulfur and low ash content characteristics can reduce the influence of impurities on the quality of steel. Meanwhile, graphitized petroleum coke and graphite powder can also be used as carbon additives.

Carbon products 3

Calcined coke is the main raw material for the production of carbon products such as graphite electrodes and graphite crucibles. Graphite electrodes used in electric arc furnace steelmaking need to withstand temperatures above 3000℃. The purity and high-temperature resistance of the calcined coke are of vital importance.

Industrial silicon production 4

In the preparation of industrial silicon (polycrystalline silicon, monocrystalline silicon), calcined coke acts as a reducing agent to participate in chemical reactions, helping to reduce silicon dioxide to elemental silicon. Its high fixed carbon content can enhance the reaction efficiency.

Lithium battery anode material 5

High-purity calcined coke, after further processing, can be made into anode materials for lithium batteries, which are used in new energy vehicles, energy storage devices and other fields. Its structural stability can enhance the battery's cycle life and energy density.

Characteristics and industry requirements

High carbon and low impurities: The carbon content of calcined coke is usually over 98%, and the content of impurities such as sulfur and ash is low, meeting the demands of high-end industries.

Controllable particle size: Different industries have different requirements for the particle size of calcined coke. For instance, aluminum electrolysis requires coarse particles (4-12mm), while anode materials need micron-sized powder.

The application of calcined coke is closely related to its physical and chemical properties. Its production needs to control its performance through parameters such as calcination temperature and time to meet the differentiated demands of different industrial scenarios.

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Hebei Shitu New Materials Technology Co., LTD

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4 month

Main Product: graphite electrode, graphite power, carbon electrode, graphite scrap , graphitized petroleum coke, calcined petroleum coke

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