Apparatus and method for measuring low boiling component contain

Details Apparatus and method for measuring low boiling component contain Apparatus and method for measuring low boiling component contain

1975-05-13

1977-11-15

Myracle, Jerry W.

Measuring and testing

Gas analysis

Gas chromatography

203 1, G01N 700

Patent

active

040579956

ABSTRACT:
An apparatus and method are provided for measuring the concentration of a light hydrocarbon in a relatively high boiling liquid mixture. A chamber is sealed liquid full of the liquid mixture. The internal volume of the chamber is then increased by mechanical means, causing the liquid to boil adiabatically within the chamber. The absolute pressure within the chamber is then measured and indicates the amount of light hydrocarbon present as compared to previous samplings. In a specific embodiment of the invention the apparatus comprises a chamber with a spring and bellows mechanism for increasing the internal volume of the chamber. In a further embodiment of the invention the input of heat to a distillation column is controlled in response to a signal generated corresponding to the absolute pressure measured in a continuous sequential sampling of liquid from a chosen point within the distillation column.

REFERENCES:
patent: 2645949 (1953-07-01), De Boisblanc
patent: 2880611 (1959-04-01), Herren
patent: 3108929 (1963-10-01), Tolin et al.
patent: 3145561 (1964-08-01), Thompson
patent: 3191428 (1965-06-01), Piros
patent: 3221541 (1965-12-01), Osborne
patent: 3332856 (1967-07-01), Hart
patent: 3342700 (1967-09-01), Rijnsdrop
patent: 3521478 (1970-07-01), Magorien
patent: 3528440 (1970-09-01), Plucker

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