Citgo Petroleum Corp., Houston, has restarted a vacuum distillation unit and a delayed coker at its Lake Charles, La., refinery, both of which had been offline since the summer of 2020. Citgo ...
BEIJING, Jan 30 (Reuters) - Sinopec's <0386.HK> Maoming refinery has postponed further the maintenance of a delayed coking unit to the second quarter as it operates at near full speed to meet firm ...