UV-Regenerated FeIIEDTA Absorbent

Simultaneous NO removal and regeneration

Employing UV light to reduce FeIIEDTA-NO enables in-situ regeneration of the NO absorption solution, markedly improving NO removal efficiency with superior economics.

Yuan, Xu · Liu, Ziwei · Ying, Dai · Jinbo, Ouyang · Li, Zhuyao · Yuling, Zhu · Ding, Jianhua · He, Feiqiang

Chinese Journal of Chemical Engineering 2024

Advantages

NO removal efficiency increases with UV power

Optimal NO removal at 3% (vol) O₂ and pH 4

Regeneration rate and procedure superior to other FeIIEDTA regeneration methods