Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1978-05-12
1980-01-22
Sever, Frank
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
73 61R, 324 61R, 324 65R, B01D 3700, G01N 1504
Patent
active
041849523
ABSTRACT:
To improve both the accuracy and reliability of capacitance-type basic sediment and water (BS&W) recorders, it is desirable to provide a clean, dry reference stream whose dielectric constant can be compared to that of a wet stream. This compensates for any variation in the physical composition of the fluid (e.g., pipeline crude oil) which might otherwise yield a false value for the BS&W content. In accordance with the present invention, the dry reference stream is provided by filtration and reverse centrifugation of part of the wet stream.
REFERENCES:
patent: 3140257 (1964-07-01), Wilder et al.
patent: 3677071 (1972-07-01), Martin
patent: 3771353 (1973-11-01), Jenkins
patent: 4055986 (1977-11-01), Stewart et al.
Sever Frank
Shell Oil Company
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