Yin J.,Nanjing Southeast University |
Xiong Y.,Nanjing Southeast University |
Xie H.,Nanjing Southeast University |
Shi Z.,Nanjing Southeast University |
Zheng S.,Materials and Equipment Corporation
2011 International Conference on Remote Sensing, Environment and Transportation Engineering, RSETE 2011 - Proceedings | Year: 2011
This paper introduced mass transfer theory and correlation analysis of the NOx liquid absorption. Experiments using urea as the absorbent and triethanolamine as additive were performed in the bubbling absorption reactor. The influencing factors of the NOx removal such as the oxygen existence, sulfur dioxide existence, triethanolamine existence, absorbent concentration and ammonium sulfite were studied, and the ion concentration of NH 4 +, NO 2 -, NO 3 -, SO 3 2- and SO 4 2- in the solution was analyzed. This study has concluded that oxygen existence could increase oxidation of nitric oxide, which increased the denitrification efficiency. SO 2 existence could introduce sulfite ion and also promoted NOx removal efficiency. Triethanolamine could play a buffer and catalytic role in promoting NOx removal efficiency. Ammonium sulfite on denitrification efficiency had an obvious influence. © 2011 IEEE.