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Carbon black
Also known as: Furnace black
Carbon black is a specialty product, mad up of solid carbon in a fine powder form.
Carbon black from petroleum is typically produced by thermal decomposition and partial combustion of highly aromatic resid material, especially FCC slurry and pitch from a steam cracker.
The major uses for carbon black are as a filler in rubber (tire) production and as a pigment (black) in inks and paints.
For a refiner, carbon black production is a route to increasing the value of FCC slurry which is otherwise a very low-value product, usually blended into residual fuel oil.
Few refiners have on-site carbon black plants. Most are stand-alone, third-party plants that source FCC slurry from multiple refineries.
