Graphite Petroleum Coke is a by-product of oil refinement that contains a high amount of carbon. It can be used for a wide range of applications. It is commonly used as an alternative to graphite, in the steel and iron industries for the manufacture electrodes in electric arc kilns. Graphite petroleum coal can be used to manufacture refractories as well as metallurgical additives and tar based materials. Graphite petrol coke can come in a variety shapes and sizes, based on the application. Graphitized petroleum coke is commonly used as an anode in aluminum smelting processes as it has superior conductivity and resistance to corrosion.
The cracking process produces coke as a waste product during the refinement. This black solid has a high carbon content, up to 98%. It is also known by the names pre-sulfur and anode coke. It can either be used in the raw form (also known as green coal) or be further processed using a rotary furnace to produce calcined gasoline coke. Calcined oil coke can be made into a range of products such as graphite electrodes for electric furnaces and cast-iron smelting.
The coke then is crushed and screened, removing any unwanted particles, before being sent into a graphitization oven for treatment. During this process, the coke is heated to high temperatures (
Petroleum coke, with its high carbon content, is an ideal precursor to prepare different carbon nanomaterials. These include graphene, its derivatives, carbon quantum dots based on resorcinol, polypyrrole, and other 2D, 3D and 1D CNMs. Researchers have been studying the use petroleum coke to produce CNMs that can be used for energy storage and conversion as well in other applications, such as luminescence, advanced oxidative reaction and sensing. These properties make it a viable alternative to carbon sources such biomass and coke. The physicochemical properties of petroleum coke also promote the production of value-added materials. The circular economy can help to achieve sustainable development goals and contribute to economic growth.
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