Kaasunpoistin Avgasare The device which destillates feed water by steam before water is entering Feed Water Tank. In the destillation in water dissolved oxygen (air) and carbon monoxide are transfered into steam stream escaping then from top of the deaerator.

The apparatus used to separate the dissolved gases from the condensate.

A type of feedwater heater operating with water and steam in direct contact. It is designed to heat the water and drive off oxygen.

A Deaerator is a device liang made for air removal. In industry it is used to remove dissolved gases (an alternate would be the use of water treatment chemicals) from water to make it non-corrosive. With reference to a thermal power station, the word deaerator generally implies not only the deaerator but also the feed water tank below where deaerated water is stored and fed to the suction of boiler feed pumps.