Method and device for ascertaining small amounts of oil in water

Details Method and device for ascertaining small amounts of oil in water Method and device for ascertaining small amounts of oil in water

1974-08-06

1976-06-22

Queisser, Richard C.

Measuring and testing

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

Content or effect of a constituent of a liquid mixture

356 70, G01N 2106

Patent

active

039642950

ABSTRACT:
For determining or indicating the oil content of small amounts of oil in water a defined amount of water is removed so that the oil is concentrated in the water, and thereafter the oil content in the concentrated oil-water mixture is measured. So as to concentrate the oil, the oily water can pass a filter material, the color change or dielectric constant of which is measured. As an alternative, the oily water is concentrated in a rotating cyclone or centrifuge so that substantially all oil is accumulated in the center together with a smaller portion of the original water volume. The clarity of the water is then determined and considered as a measure of the oil content.

REFERENCES:
patent: 2897671 (1959-08-01), Phelan et al.
patent: 3133437 (1964-05-01), Remke et al.
patent: 3253606 (1966-05-01), Kuntz
patent: 3612887 (1971-10-01), Canevari
patent: 3627419 (1971-12-01), Thevenier
patent: 3824016 (1974-07-01), Woodriff et al.

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