The turnaround includes the refinery’s only crude unit, whose atmospheric tower is plugged, and a delayed coker, which requires decoking, said the people, who asked not to be identified because the information isn’t public.
The refinery’s catalytic cracker will remain in operation during the work, the people said.
Other units to be shut for the turnaround include a catalytic reformer, a diesel hydrotreater, an aromatic extraction unit, a saturate gas unit and a low-sulfur gasoline unit, according to a regulatory filing with the state last month. The company said it rescheduled the maintenance to March from an unspecified later date in order to address mechanical equipment issues, the filing showed.
Dennis Nuss, a company spokesman in Houston, said in an e-mail that details regarding specific units and duration of work involved in a turnaround are considered proprietary.
The Alliance refinery, 10 miles (16 kilometers) south of New Orleans on the Mississippi River, can process 247,000 barrels a day of crude, according to data compiled by Bloomberg. The single-train plant mainly uses light, low-sulfur crude to make gasoline, diesel, jet fuel and other products, according to the company’s website.
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