Method and apparatus for adsorbing moisture from gases, especially air
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United States of America Patent
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Jun 1, 1993
Issued Date -
N/A
app pub date -
Apr 15, 1992
filing date -
Jan 21, 1989
priority date (Note) -
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Abstract
The method of controlling a duration of an adsorption cycle in a process of adsorbing moisture from a gas, particularly air, using an adsorbing material including the steps of passing a moisture-carrying gas and a heated regenerating medium alternatingly through the adsorbing material in a series of alternating adsorption cycles and regeneration cycles, consists of monitoring, during a regeneration cycle, only a decrease of weight of the adsorbing material; comparing the decrease in weight of the adsorbing material to a preset value; and controlling the duration of an adsorption cycle immediately following the regeneration cycle according to the comparing. Alternatively, the method of controlling the duration of the adsorption cycle consists of monitoring, during an absorption cycle, only an increase of weight of the adsorbing material; comparing the increase in weight of the adsorbing material during the monitoring to a preset value; and switching to regeneration when the preset value is reached.
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