Complex sentence: Shell Haven Refinery was decommissioned and demolished, apart from The Bitumen Plant and some Storage Tanks as well as the two Hydrocrackers which were transferred to the Shell Rhineland Refinery in Cologne, Germany in July 2004.
Split into simpler sentences: Shell Haven Refinery was decommissioned and demolished, apart from The Bitumen Plant and some Storage Tanks. Two reactors from the Hydrocracker Unit which were transferred to the Shell Rhineland Refinery in Cologne, Germany in July 2004.