Two stage suspended bed hydrocracking was suggested based on the fact that there were two kinds of reactions in the reactor: hydrogenation at low temperature and thermocracking at high temperature.

• 悬浮床加氢裂化反应以热裂化为主,同时伴有加氢反应。悬浮床加氢裂化分两个温度段:低温加氢精制和高温裂化。