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Chapter Four: Vacuum Flashing
The discussion so far about distillation occurs and distilling columns have treated the shape of the curves and temperatures close to 900 degrees Fahrenheit somewhat vaguely, but on purpose

There is a phenomenon that happens at these temperatures called "cracking"
Refiner views cracking extensively, but in controlled ways
In the distillation process, all the uncontrolled symptoms of cracking can occur
To avoid them, refiners developed "vacuum flashing"

Subject: The Cracking Phenomenon
Suppose a technician were going to develop a crude distillation curve in a laboratory
Technicians do that all the time to prepare
Note, essays
For use by refiners to help assess the studibilty of crude
The technician would heat the crude oil, note and record the temperature, capture the vapor and condense from the glithia
And record and cumulate the volumes of liquids
If the technician permitted the temperature of the crude to rise to about 900 degrees Fahrenheit, a sudden change in the shape of the distillation curve would take place

(Audio, Gorilla Audio)

As the temperature went from 900 to 1000 degrees Fahrenheit, the cumulative volume would reheat, recover
It would exceed.....

BAD NUT!