PBF Energy restarted the cat feed hydrotreater at its 190,000 barrel-per-day (bpd) Chalmette, Louisiana, refinery on Saturday, sources familiar with plant operations told Reuters.
PBF spokesman Michael Karlovich declined to comment.
The 45,000-bpd cat feed hydrotreater was shut on Oct. 7 for a catalyst change, the sources said. The catalyst change ran about a week over the scheduled time for completion.
Hydrotreaters remove sulfur from motor fuels in compliance with U.S. environmental rules.
Reporting by Erwin Seba; Editing by Tom Brown