https://www.selleckchem.com/pr....oducts/ly2584702.htm
To achieve sustainable metal-free electron-Fenton, N self-doped biochar air-cathode (BCAC) was prepared by pyrolyzing coffee residues. During the pyrolysis process, the endogenous N transformed from edge-doping to graphite-doping. Particularly, N vacancies started to evolve when the peak temperature exceeded 700 °C. A high Tetracycline removal rate of 70.42% was obtained on the BCAC at the current density of 4 mA cm-2. Quenching tests incorporated with ESR spectroscopy were adopted to identify the specific oxidants produced on the cat
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