Desorption unit includes a desorber, absorbent supply and discharge lines, absorbent heating and discharge lines, and a desorbate discharge line. In addition, it is equipped with thermoelectric generators based on Peltier elements, the first junction of each of which is in contact with the absorbent and coolant lines for heating the absorbent, and the second junction is in contact with the environment. Wherein, each thermoelectric generator is connected to the payload through an electrical circuit.
