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Needle coke
Needle coke is a specialty grade of pet coke valued for its crystalline structure that makes it a good material for making electrodes.
Needle coke is typically produced from a dedicated coker that uses low-sulfur FCC slurry as feedstock. The high aromatics content of the FCC slurry results in the desired needle coke properties.
Refiners often sell low-sulfur FCC slurry to a third-party needle coker, but there are some refineries with their own on-site dedicated needle coker.
