fig7

Figure 7. The strategies for improving the synergistic catalytic conversion of NO_x and VOCs under chlorine-poisoning conditions. (A) The strategy of incorporating functional POMs to prevent the formation of polychlorinated species^[25]; (B) A preoccupied anchoring strategy on vanadia-based catalyst by -HSO₄ group modification for promoted C−Cl bond activation in NO_x and CB synergistic removal^[90]. Figure 7A is reprinted with permission from Ref.^[25], Copyright © 2025 American Chemical Society. Figure 7B is reprinted with permission from Ref.^[90], Copyright © 2024 American Chemical Society. NO_x: Nitrogen oxides; VOCs: volatile organic compounds; POMs: polyoxometalates; CB: chlorobenzene.