Yanchang petroleum Yulin refinery's 50t/h condensate water treatment units has been finished in August 2007 and the installation and commissioning is on the way. Overall updated steam system is expected to be put into operation at the end of this year.

In this 50t/h condensate oil and iron removal project, Tuofeng employed PLC controller. Units can remove oil and iron from the condensate water once at highest temperature of 99℃. The output water can be reused in high-pressure boilers.