So even though ExxonMobil pumps oil, it can't guarantee that its refiningunit will be able to profitably process a barrel into gasoline or heating oil.
所以，尽管埃克森美孚能够开采出石油，但却不能保证公司的冶炼部门将原油冶炼成汽油或燃料油后就能赚钱。
2
The treated water from waste liquid produced in second-process of refining oil can be used on electric desalt unit and FCC 'waste gas washing process.
Compared with discontinuous process, the continuous refiningprocess is characterized by its higher productivity, good quality of products and lower unit consumption, etc.