Is there any shot coke in needle coke?

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Needle-grade coke contains no shot coke. Commercial needle coke is typically produced by charging FCCU slurry oil to the delayed coker.

All of the components in the slurry oil coker charge are produced as a vapor from the FCCU reactor fresh feed. Even if vacuum tower bottoms are charged to the FCCU, none of the asphaltenes in the resid will vaporize, and therefore, the asphaltenes will not be in the coker charge.

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