Petroleum coke

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Petroleum Coke

Petroleum coke, often known as coke or petcoke, is a final carbon-rich solid material produced during the refining of crude oil. Cokes are a class of fuels. The coke that specifically results from the final cracking process, a thermo-based chemical engineering procedure that divides petroleum's long-chain hydrocarbons into shorter chains, is known as petcoke. This process occurs in coker units.[1] (Other varieties of coke are produced using coal.) Coke, in the simplest terms, is the "carbonization product of high-boiling hydrocarbon fractions obtained in petroleum processing (heavy residues)". Petcoke is also created during the process of turning bitumen from the Orinoco oil sands in Venezuela and Canada's tar sands into synthetic crude oil (syncrude). In petroleum coker units, residual oils from other distillation processes used in petroleum refining are treated at a high temperature and pressure leaving the petcoke after driving off gases and volatiles, and separating off remaining light and heavy oils. These processes are termed "coking processes", and most typically employ chemical engineering plant operations for the specific process of delayed coking.

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