Method of and apparatus for monitoring concentration of gas in a

Details Method of and apparatus for monitoring concentration of gas in a Method of and apparatus for monitoring concentration of gas in a

1983-08-18

1985-11-05

Levy, Stewart J.

Measuring and testing

Gas content of a liquid or a solid

By vibration

73 61R, G01N 710

Patent

active

045505900

ABSTRACT:
There is described a method of and apparatus for monitoring the concentration of gas in a liquid. The apparatus includes a semi-permeable diaphragm across the face of which the liquid flows. Gas contained in the liquid permeates through the diaphragm into a chamber and the pressure within the chamber is measured. This pressure is representative of the concentration of gas in the liquid and permits control of the quantity of gas injected. In particular there is described a method and apparatus for monitoring the concentration of two different gases which may be dissolved in a flowing liquid.

REFERENCES:
patent: 3673853 (1972-07-01), Griswold et al.
patent: 3681026 (1972-08-01), Holden
patent: 3731523 (1973-05-01), Vissers et al.
patent: 3866460 (1975-02-01), Pearce, Jr.
patent: 3871228 (1975-03-01), Weiss

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