By using triethylenetetraminecolbat solution as absorbing agents

the complexation and oxidation removal test of wet denitrification from simulated flue gas in a packed column has been carried out

the test shows that the said method can be used to realize complexation and oxidation removal of NO.Compared with Fe(Ⅱ)-EDTA solution

the removal of NO by using triethyleneteraminecolbat solution boasts merits of long persisting time and higher removal efficiency;the concentration of triethylenetetramecobalt has remarkable effect upon the NO removal

the heigher concentration the absorbing agent solution has the better efficiency of NO removal can be reached

the oxygen in gas phase is favorable to NO removal

the removal efficiency of NO can reach over 80% in the presence of 5.7% oxygen in gas phase.