1) Boiler maintenance apparatus 2) Power station technology
Found on
https://www.crosswordclues.com/clue/deaerator
A deaerator is a device that is widely used for the removal of oxygen and other dissolved gases from the feedwater to steam-generating boilers. In particular, dissolved oxygen in boiler feedwaters will cause serious corrosion damage in steam systems by attaching to the walls of metal piping and other metallic equipment and forming oxides (rust). D...
Found on
http://en.wikipedia.org/wiki/Deaerator
a separator that removes air from the system fluid through the application of bubble dynamics.
Found on
http://www.encyclo.co.uk/local/21121
No exact match found.
