Question: What does the vaporization section of a vacuum distillation column refer to, and is it true that the lower the pressure drop in this section, the higher the draw rate?

2010-03-01View Original

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Question: What does the vaporization section of a vacuum distillation column refer to, and is it true that the lower the pressure drop in this section, the higher the draw rate?

Reply #22010-03-01

The vaporization section should refer to the area between the feed section and the lowest oil collection tank; in other words, it is the feed section itself

Reply #32010-03-01

The lower the pressure drop, the higher the vacuum level, and the higher the extraction rate as well.

Reply #42010-03-01

For a vacuum distillation column, it is generally understood that the vaporization section is one of its components; therefore, the pressure in the vaporization section should be referred to, and the pressure drop refers to the pressure difference from the vaporization section to the top of the column. The smaller the pressure drop, the higher the vacuum level in the vaporization section, and the higher the extraction rate as well.

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