Graphite Petroleum Coke, or GPC, is an essential industrial carbon material that finds wide-ranging uses across the steelmaking, aluminum smelting, foundry, and chemical industries. This indispensable carbon material is known for its high carbon content, thermal stability, and low impurity levels.
GPC, during its manufacturing, is exposed to high temperatures that remove volatile substances and convert it into a crystallized form of carbon. This process, called coking, produces petroleum coal with high levels of carbon fixed. This coke has excellent thermal properties and is free from sulfur.
GPC can be used as fuel in industrial processes, or it can be refined into graphite, which is commonly utilized in the production of metallurgical products, such as carbon electrodes and anode coal paste for electrolytic aluminum and steelmaking. This carbon is also used to smelt silicon or in other applications that require high-purity, high quality carbon.
When it comes to steel production, coke forms a vital part of the blast furnace. The coke acts as a source of carbon and converts iron oxides to molten ferrous iron (Fe2O3). Its permeability also makes it possible for gases to be pumped through the blast, improving results.
The morphology of the coke and its carbon content as well as thermal properties are different. In industrial production, it is particularly important that the coke has a certain morphology. With the help of optical microscopes, it is possible to differentiate between different morphologies. For instance, the CK-1 oil coke is angular and jagged, while CK-2 or CK-3 petroleum coke are more rounded. Due to the differences in morphology, there are also variations in acid effect, electrolyte interaction, and layer exfoliation.
Quality of coke depends on its method of production and processing equipment. According to the amount of sulfur, it is usually divided into coke with high or low quality. High-quality products have a sulfur level of less that 2%. They are widely used to manufacture prebaked insulators and anode coke pastes. Low-quality, or low sulfur coke is commonly used to fuel power plants and for cement production.
Silvari Group delivers GPC of the highest quality to industries that rely on it. The company's services provide reliable access to GPC, minimized supply chain disruptions, and consistent product quality - all of which help enhance industrial processes. Contact the company today to learn more about how they can unlock the potential of this remarkable carbon material for your business.
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