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Autoren: Kisukuri, Camila M.
Bednarz, Roland Jan-Reiner
Kampf, Christopher
Arndt, Sebastian
Waldvogel, Siegfried R.
Titel: Robust and self-cleaning electrochemical production of periodate
Online-Publikationsdatum: 2-Feb-2023
Erscheinungsdatum: 2022
Sprache des Dokuments: Englisch
Zusammenfassung/Abstract: Periodate, a platform oxidizer, can be electrochemically recycled in a self-cleaning process. Electrosynthesis of periodate is well established at boron-doped diamond (BDD) anodes. However, recovered iodate and other iodo species for recycling can contain traces of organic impurities from previous applications. For the first time, it was shown that the organic impurities do not hamper the electrochemical re-oxidation of used periodate. In a hydroxyl-mediated environment, the organic compounds form CO2 and H2O during the degradation process. This process is often referred to as “cold combustion” and provides orthogonal conditions to periodate synthesis. To demonstrate the strategy, different dyes, pharmaceutically active ingredients, and iodine compounds were added as model contaminations into the process of electrochemical periodate production. UV/Vis spectroscopy, NMR spectroscopy, and mass spectrometry (MS) were used to monitor the degradation of organic molecules, and liquid chromatography-MS was used to control the purity of periodate. As a representative example, dimethyl 5-iodoisophthalate (2 mm), was degraded in 90, 95, and 99 % while generating 0.042, 0.054, and 0.082 kilo equiv. of periodate, respectively. In addition, various organic iodo compounds could be fed into the periodate generation for upcycling such iodo-containing waste, for example, contrast media.
DDC-Sachgruppe: 540 Chemie
540 Chemistry and allied sciences
Veröffentlichende Institution: Johannes Gutenberg-Universität Mainz
Organisationseinheit: FB 09 Chemie, Pharmazie u. Geowissensch.
Veröffentlichungsort: Mainz
Version: Published version
Publikationstyp: Zeitschriftenaufsatz
Weitere Angaben zur Dokumentart: Scientific article
Nutzungsrechte: CC BY-NC-ND
Informationen zu den Nutzungsrechten:
Zeitschrift: ChemSusChem
Seitenzahl oder Artikelnummer: 202200874
Verlag: John Wiley & Sons, Ltd
Verlagsort: Weinheim
Erscheinungsdatum: 2022
ISSN: 1864-564X
DOI der Originalveröffentlichung: 10.1002/cssc.202200874
Enthalten in den Sammlungen:DFG-491381577-H

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