Pressure inside an oil-gas separator
Pressure inside an oil-gas separator
(OP)
How to calculate the pressure inside a separator when it is full only of oil with solution gas?. It could happen when there is not enough pressure inside the vessel or got full of liquid for any reason. Please send a case study example. How do I calculate vapor pressure in this case?.





RE: Pressure inside an oil-gas separator
Vapour pressure of the liquid in the separator is calculated by use of thermodynamics. If the pressure is higher than the vapour pressure at the operating temperature then it will be full of liquid - or you have some sort of inert gas added. Normally for separators its assumed that the liquid in the separator has a vapour pressure equal to the operating pressure - this determines the phase split.
Best regards
Morten