Adsorption filter with desorption device

Details Adsorption filter with desorption device Adsorption filter with desorption device

B - Operations, Transporting

01

D

183/27

B01D 53/04 (2006.01)

Patent

CA 1187818

ABSTRACT OF THE DISCLOSURE The anhydrous recovery of desorbates from adsorption filters is prevented not only on account of desorption with water vapour but also by water adsorbed onto the adsorption agents from the gas or air to be purified, which adsorbed water is also expelled during the desorption. It has now been shown that it is possible to recover anhydrous desorbate if the gaseous desorption agent is predried in a water sorption filter with water-selective adsorption agents before entering the cooler formed as a condenser. The bypasses circumventing the sorption water collector as well as the condenser-cooler also permit operational states beyond normal desorption, namely desorption at elevated temperature to expel difficultly volatile residues, as well as reactivating desorptions. In a special embodiment the sorption heat collector can be combined with the condenser-cooler, an embodiment which can be used in particular for recovery equipment.

412716

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