Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Vapor pressure
Patent
1995-03-17
1996-03-19
Williams, Hezron E.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Vapor pressure
73 1901, G01N 700
Patent
active
054995310
ABSTRACT:
A system (100) is provided for calculating the vapor pressure for a liquid whose composition is unknown. The liquid to be tested is passed through a gas/liquid separator (120) at a substantially constant flow rate and at a predetermined temperature and pressure. The liquid being passed through separator (120) evolves gas which is passed through a gas meter. The liquid passing from separator (120) passes through a flow meter (134). The evolved gas is also coupled to a gas chromatograph (160) for measurement of the gas composition. The measurement data is input to a processor (180) for converging an initial assumed inlet oil composition, with the measured gas composition, gas flow rate, and liquid flow rate using representative constituent equilibrium data to derive the composition of the inlet liquid stream. The converged liquid composition data is then utilized for calculating the vapor pressure or vapor emissions of the liquid.
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Klein David I.
Politzer Jay L.
Rosenberg Morton J.
The Mitre Corporation
Williams Hezron E.
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