By optimally combining the existing processing units in refineries, it is possible to provide morequalified feedstocks for FCCU and ethylene units to enhance economic benefits of the refineries.

• 利用炼油厂现有装置优化组合，可为催化裂化装置及乙烯装置提供更多的优质原料，以提高炼油厂经济效益。