1.Higher oil yield; 2.Easy to operate, save labour; 3.Energy-saving; 4.Lower process cost; 5.Certificate:BV,CE, ... source of the first steam, which can save energy, reduce the condenser configuration area and save investment. c) Due to the low temperature ... to be reheated for the recycling, so as to save energy. Noncondensable gas from energy saver enters desolventizing condenser, in which a great ...