A multitude of separations are accomplished by distillation, but its most important and primary function in the refinery is its use for the separation of crude oil into component fractions.

许多分离过程是通过蒸馏进行的，但蒸馏在炼油厂中的最重要和主要的功能则是它在将原油分离成不同馏分过程中的作用。

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This paper reviewed the theory, the characteristic, advantages over ordinary catalytic distillation, primary applications and scope of application of fluidized distillation.

本文介绍了流态化催化精馏原理、特点、相对于普通催化精馏的优点、主要应用及其适用范围。

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Result: the primary factor which influenced the extraction rate was grinding degree, then it was time of distillation, solid-liquid ratio and soaking time.

结果：影响挥发油得率的主要因素为粉碎度，其次为蒸馏时间和料液比，最后为浸泡时间。

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