Eletrossíntese de Persulfato usando eletrodo de diamante dopado com Boro (BDD): comportamento do eletrólito suporte
Currently, a number of synthetic effluents are treated using BDD-SO4 2- /SO4-·/S2O82- systems electrochemically incorporated in situ to decimate persistent organic pollutants and microorganisms. Although sulfate-based reactive species are electrochemically produced in situ with heterogeneous fr...
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Formato: | bachelorThesis |
Idioma: | pt_BR |
Publicado em: |
Universidade Federal do Rio Grande do Norte
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Endereço do item: | https://repositorio.ufrn.br/handle/123456789/51881 |
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Resumo: | Currently, a number of synthetic effluents are treated using BDD-SO4
2-
/SO4-·/S2O82-
systems electrochemically incorporated in situ to decimate persistent organic pollutants and
microorganisms. Although sulfate-based reactive species are electrochemically produced in situ with
heterogeneous free ·OH radicals, the SO42-/SO4-·/S2O82- species have a longer half-life than that
of the ·OH radicals. This work shows a study using Advanced Oxidative Processes in situ for the
electrosynthesis of the persulfate species from sodium sulfate and sulfuric acid solutions, analyzing
which conditions are more effective for the production of this strong oxidant. The results notoriously
show that sulfuric acid is capable of producing higher concentrations of persulfate. It was also
observed that high currents applied to the system favor the formation of S2O82-. |
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