Expansion refrigeration through a tail gas expander can reduce energy consumption and increase plant capacity and has a desirable effect on the result of cryogenic separation process.

• 结果发现,尾气膨胀机膨胀制冷对深冷分离的效果好于节流膨胀制冷,可节约能耗,提高装置的负荷,是一种很好的制冷方法。