DEA Unit
DEA Unit : (n.) Production Facilities. A treating system used to remove hydrogen sulfide [H2S], carbon dioxide [CO2] and carbonyl sulfide from a gas stream. The acid gases are absorbed by the diethanolamine (DEA), and sweet gas leaves at the top of the absorber. See: Acid Gas, Carbon Dioxide, Hydrogen Sulfide, Sour Gas, Sweet Gas, Sweetening