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Title: LIQUID TANK LEVEL - INTERFACE MEASUREMENT
Author: Lydia Miller
Source: 2022 International School of Hydrocarbon Measurement
Year Published: 2022
Abstract: In the hydrocarbon processing industry, often there are situations where there is more than one type of liquid in the same vessel or process stream. In the upstream part of the process, generally you are working to separate the different liquids and in the downstream part of the process you are mixing them together. When you are working to separate the different liquid types, one method is to us a separator. Separators can be used when there is a density difference between the liquids and they are immiscible, meaning they would naturally form distinct layer if left alone. A key part of this process is getting the liquids to efficiently form into layers so you can draw off one of the liquids. But equally important is being able to measure the interface - or the place where two different liquids meet - in order to draw off only one liquid.




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