Process and plant for the recovery of water from humid air

Refrigeration – Processes – Circulating external gas

Patent

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Details

202234, 203 49, 62271, F25D 1706, F25D 2300

Patent

active

041977130

ABSTRACT:
A process and a plant for the recovery of water from humid air are disclosed. Humid ambient air flows through an adsorber in which an adsorbing agent removes moisture from the air by adsorption. Subsequently, air heated by an air heater and delivered by a fan flows through the adsorber in order to recover by desorption the moisture from the moistened adsorbing agent. Thereafter, the water vapor-containing air is precooled in a counterflow heat exchanger and subsequently conducted into a condenser in which heat is extracted from it by means of a heat pump so that the water vapor condenses and is available in the form of liquid water. The air cooled and dried in the condenser is utilized in the counterflow heat exchanger for precooling the air fed into the condenser. The heat given off by the heat pump is supplied to the air heater in order to be utilized therein for heating the air flowing through the air heater.

REFERENCES:
patent: 2690656 (1954-10-01), Cummings
patent: 2926502 (1960-03-01), Munters et al.
patent: 3153914 (1964-10-01), Meckler
patent: 3436839 (1969-04-01), Ellington
patent: 3606730 (1971-09-01), Clark et al.
patent: 4050262 (1977-09-01), Mehnert
patent: 4057403 (1977-11-01), Valdes

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