Using structured packing column or modification of tray column can reduce the steam consumption. After modification of tray column the quality of the refined oil can he also improved.

• 摘要采用结构填料脱臭塔或改造板式脱臭塔都可以降低蒸汽消耗量。改造板式脱臭塔的同时还可以改善精炼成品油的质量。