Maintenance on the unit is scheduled to last about 40 days, said the person, who asked not to be identified because the information isn’t public. Fluid catalytic crackers process vacuum gasoil into higher-value gasoline or lighter products.
Marathon had no comment on turnaround or maintenance activity at the plant, said Jamal Khiery, a company spokesman.
The Catlettsburg refinery, in northeastern Kentucky on the Big Sandy River, has a capacity of 240,000 barrels a day. The plant processes a wide range of both sweet and sour crude oils and distributes products by pipeline, barge, truck and rail, according to Marathon’s website.
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