Fig. 9 | Scientific Reports

Fig. 9

From: Continuous once-through electrooxidation treatment using mixed metal oxide anode for bacterial disinfection

Fig. 9

The XPS spectra of different metals of the MMO anode. The graphs show the spectrum along with their binding energies: (a) Ti 2p spectrum with binding energies 458.1 and 463.8 eV (b) O 1s spectrum with the binding energy of 529.8 eV (c) Ru 3d spectrum with 280.4 and 284.8 eV binding energies (d) Ir 4f with 61.7 eV binding energy and (e) Pt 4f with 63.5 and 75.7 eV binding energies. (f) The durability graph of the MMO anode depicts its stability even after 300 recycles in terms of % bacterial inactivation. There was no significant loss of metal oxides for almost 300 recycles.

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