Significant inhibition of secondary pollution in the catalytic oxidation of chloroaromatics over a bifunctional Ru 1 /CeO 2 single-atom catalyst

Single atomic Ru supported CeO 2 seems to be a more promising and selective catalyst for chlorobenzene oxidation than RuO 2 NPs, which enables the inhibition of HCl conversion to Cl 2 and stepwise formation of polychlorinated by-products.