Adsorbent fractionator with automatic cycle control and process

Details Adsorbent fractionator with automatic cycle control and process Adsorbent fractionator with automatic cycle control and process

1984-02-08

1985-11-12

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 33, 55 58, 55 74, 55163, 55179, 55387, B01D 5304

Patent

active

045525706

ABSTRACT:
A method and apparatus are provided for adsorbing water vapor from a mixture thereof with a second gas to reduce the water vapor concentration in the mixture to below a permissible maximum concentration. The advance of the moisture front in a sorbent bed during either adsorption or regeneration or both is detected by determining the change in the moisture content of the sorbent as a function of the capacitance of a capacitor in which the sorbent is the dielectric. During adsorption, capacitance must be observed by way of a capacitor at least at a point in the bed sufficiently far from the end of the bed to prevent effluent having a limiting maximum moisture content from leaving the bed. When the capacitance at that point has reached a predetermined value corresponding to a selected moisture content on the sorbent, the adsorption or regeneration cycle is discontinued.

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