Japan's JX restarts Muroran CDU after problem
September 23, 2012 at 21:29 PM EDT
TOKYO, Sept 24 (Reuters) - Japan's top oil refiner, JX Nippon Oil & Energy Corp, said it restarted the 180,000-barrels per day sole crude distillation unit (CDU) at its Muroran refinery in northern Japan on Friday, four days after an unplanned shutdown.