Skip to main content
. Author manuscript; available in PMC: 2020 Sep 15.
Published in final edited form as: Appl Energy. 2019 May 14;250:1011–1022. doi: 10.1016/j.apenergy.2019.05.108

Fig. 1.

Fig. 1.

(a) Conventional FGD process to desulfurize the flue gas of fossil fuel power plants, and (b) “bi-cycle” radical chain reactions of iron catalyzed sulfite auto-oxidation that could degrade organic molecules during FGD process. S(IV) denotes sulfite, including HSO3−/SO32−.