Method and device for separating gaseous or vaporous materials,

Details Method and device for separating gaseous or vaporous materials, Method and device for separating gaseous or vaporous materials,

1974-07-10

1976-11-02

Wyse, Thomas G.

Gas separation

Means within gas stream for conducting concentrate to collector

55392, B01D 5900

Patent

active

039894835

ABSTRACT:
A method is provided for separating gaseous or vaporous substances, especially isotopes, with different molecular weights and/or different gas kinetic cross sections, in which the mixture of substances to be separated is passed through separation nozzles. One of more skimmer diaphragms project into the flow path of the substances and are used to separate and remove fractions of different compositions, and several separation systems consisting of nozzles and skimmer diaphragms are arranged in a cascade. The cascade generates partial streams which contain the mixture of substances to be separated. The partial streams can contain an additional gas with each partial stream containing different fractions of additional gas. When the partial streams generated within the cascade contain different fractions of additional gas, the partial streams are jointly fed to one of the separation nozzle systems in such a way as to generate a molar fraction gradient with respect to the additional gas which is opposed in direction to the molar fraction gradient being generated by the separation process within the nozzle. The partial streams can contain different compositions of the mixture of substances to be separated. When the partial streams generated within the cascade contain different compositions of the mixture of substances to be separated, the partial streams are jointly fed to one of the separation nozzle systems in such a way as to generate a molar fraction ratio with respect to the substances to be separated which is identical in direction with the molar fraction gradient being generated by the separation process within the nozzle.

REFERENCES:
patent: 2951554 (1960-09-01), Becker
patent: 3362131 (1968-01-01), Becker
patent: 3708964 (1973-01-01), Becker et al.
patent: 3877892 (1975-04-01), Bley et al.

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