Apparatus and method for determining the vapor pressure of heavy

Details Apparatus and method for determining the vapor pressure of heavy Apparatus and method for determining the vapor pressure of heavy

1981-08-12

1983-08-02

Kazenske, E. R.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Vapor pressure

G01N 716

Patent

active

043959032

ABSTRACT:
A vapor pressure method and apparatus for accurately determining the vapor pressure of heavy crude oil and residual fractions is disclosed. A test sample of the crude or residuum is held in a constant temperature vessel from which vapors are continuously withdrawn and recycled into the crude or residuum until equilibrium is established. Once equilibrium is established a specimen of the vapors is extracted from the recycle line and analyzed by a gas chromatograph. Vapor pressure is calculated from the chromatographic analysis by known procedures.

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