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In 2010, GrafTech acquired two companies: Seadrift Coke LP, a manufacturer of petroleum coke, which is an essential component in the production of graphite electrodes; and C/G Electrodes LLC, which manufactures graphite electrodes. [5] In March 2011, the company acquired Micron Research Corporation, a manufacturer of superfine-grained graphite. [6]
For manufacturing of the graphitized anodes, anthracite and petroleum coke are calcined and classified. They are then mixed with coal-tar pitch and pressed. The pressed green anode is then baked at 1200 °C and graphitized. Coke anodes are made of calcined petroleum coke, recycled anode butts, and coal-tar pitch (binder).
The company produces coke from virtually all types of coal suitable for coking. Coal is sourced from OKD mines as well as from abroad. OKK Koksovny, a. s. is the largest European producer of foundry coke. The firm offers a broad assortment of coke types for foundry and metallurgical manufacturing, for special metallurgy, heating and other purposes.
Precursors that produce graphitizing carbon include polyvinyl chloride (PVC) and petroleum coke. Polyvinylidene chloride (PVDC) and sucrose produce non-graphitizing carbon. Physical properties of the two classes of carbons are quite different. Graphitizing carbons are soft and non-porous, while non-graphitizing carbons are hard, low density ...
Calcined petroleum coke (CPC) is the product from calcining petroleum coke. This coke is the product of the coker unit in a crude oil refinery . The calcined petroleum coke is used to make anodes for the aluminium , steel and titanium smelting industry and as the feed stock for the production of synthetic graphite.
The powder is made by heating powdered petroleum coke above the temperature of graphitization, sometimes with minor modifications. The graphite scrap comes from pieces of unusable electrode material (in the manufacturing stage or after use) and lathe turnings, usually after crushing and sizing.
Both Coca-Cola and Pepsi can trace their origins back to the 1890s, and the two sodas seemed to be able to peacefully co-exist until nearly a century later. But in the 1980s, the companies began...
Goa Carbon Limited is an Indian petrochemical company and is engaged in the manufacture and sale of Calcined Petroleum Coke. It is a public company listed on the Bombay Stock Exchange and National Stock Exchange and is the second largest producer of Calcined Petroleum Coke in India. Other specialty consumer segments include titanium dioxide and ...