Fig. 6: An exploration of the applicability and matching applications of Fenton-like systems. | Nature Communications

Fig. 6: An exploration of the applicability and matching applications of Fenton-like systems.

From: Surface-hydroxylated single-atom catalyst with an isolated Co-O-Zn configuration achieves high selectivity in regulating active species

Fig. 6

a Photograph of the continuous flow reactor. b Continuous removal of RhB by the CoSAs-ZnO/PMS and CoSAs-ZnO/PAA systems. c CoSAs-ZnO/PMS and CoSAs-ZnO/PAA systems for continuous removal of SMX. d Pilot-scale experiment diagram for treating 50 L of antibiotic wastewater (inset: Photographs of the original sponge and the sponge after loading with catalysts). e Six consecutive treatments of 50 L of SMX-contained wastewater in CoSAs-ZnO/PMS and CoSAs-ZnO/PAA systems. f Six consecutive treatments of 10 L of BA-contained wastewater in CoSAs-ZnO/PMS system. g Comparison of the selectivity of the ZnO/PAA and CoSAs-ZnO/PAA systems for the conversion of benzyl alcohol to benzaldehyde. h Comparison of the performance of the CoSAs-ZnO/PMS and CoSAs-ZnO/PAA systems for the degradation of BA-containing wastewater. i Reaction mechanisms for CoSAs-ZnO/PMS and CoSAs-ZnO/PAA systems and their suitability for different scenarios. j Relative environmental impact of environmentally relevant descriptors for treating 50 mL SMX (10 mg L−1) in Fenton-like processes with ZnO/PMS, Co3O4/PMS, and CoSAs-ZnO/PMS systems (1. Global warming; 2. Stratospheric ozone depletion; 3. Ionizing radiation; 4. Ozone formation, Human health; 5. Fine particulate matter formation; 6. Ozone formation, Terrestrial ecosystems; 7. Terrestrial acidification; 8. Freshwater eutrophication; 9. Marine eutrophication; 10. Terrestrial ecotoxicity; 11. Freshwater ecotoxicity; 12. Marine ecotoxicity; 13. Human carcinogenic toxicity; 14. Human non-carcinogenic toxicity; 15. Land use; 16. Mineral resource scarcity; 17. Fossil resource scarcity; 18. Water consumption).

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