Opportunities and challenges of thin-film boron-doped diamond electrochemistry for valuable resources recovery from waste: Organic,inorganic, and volatile product electrosynthesis |
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| Authors: | Soliu O Ganiyu Elisama Vieira dos Santos Carlos A Martínez-Huitle Siegfried R Waldvogel |
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| Institution: | 1. Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, T6G 2W2, Canada;2. Science and Technology School, Federal University of Rio Grande do Norte, Lagoa Nova, CEP 59078-970, Natal, RN, Brazil;3. Institute of Chemistry, Federal University of Rio Grande do Norte, Lagoa Nova, CEP 59078-970, Natal, RN, Brazil;4. Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg, 10-14, 55128, Mainz, Germany |
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| Abstract: | Thin-film boron-doped diamond (BDD) electrochemistry has made a tremendous progress in electrochemical synthesis/recovery of high-added value products from aqueous and gaseous waste streams. The distinguished electrochemical characteristic of this electrode has made this material emerging and successfully used in electrosynthetic transformations, besides its destructive and powerful performance in disinfection and detoxification of wastewaters. Organic electrosynthesis is achieved by the oxyl radical oxidation formed at BDD, peroxo compounds electrosynthesis is attained by oxidation of corresponding anions at the BDD surface, whereas electrochemical conversion of SO2, CO2, NO3?, and NH3 to value-added products occurs by BDD cathodic reduction process. There are still some challenges needed to address for seamless scale-up and translation into application of this future technology. |
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| Keywords: | Boron-doped diamond electrochemistry Electrochemical synthesis High-added value products Aqueous and gaseous waste stream |
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