HOUSTON: Royal Dutch Shell Plc returned the 16,500 barrel-per-day (bpd) alkylation unit to normal operation on Friday at its 209,787-bpd Convent, Louisiana, refinery after a malfunction, said sources familiar with plant operations.
Shell spokesman Ray Fisher said the refinery had returned to normal operations.
A motor on the alky unit, which converts refining byproducts into octane-boosting components of gasoline, lost power on Thursday, causing the unit to trip out of production, the sources said.
The refinery restarted the 92,000-bpd gasoline-producing fluidic catalytic cracking unit (FCCU) on Sunday after an 11-week shutdown, the sources said.
The alkylation unit, which operates in tandem with the FCCU, restarted on Monday.
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