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Title: Catalytic decomposition of potassium monopersulfate: influence of variables
Authors: Rivas, Javier
Gimeno, Olga
Carbajo, Maria
Carvalhos, Maria Teresa Borralho
Keywords: Monopersulfate
Oxone
Sulfate radicals
Water treatment
Issue Date: 2009
Citation: Rivas, J., Gimeno, O., Carbajo, M., Borralho, T. (2009). Catalytic Decomposition of Potassium Monopersulfate. Influence of Variables. In Proceedings of World Academy of Science, Engineering and Technology, 57,218-222.
Abstract: Potassium monopersulfate has been decomposed in aqueous solution in the presence of Co(II). The effect of the main operating variables has been assessed. Minimum variations in pH exert a considerable influence on the process kinetics. Thus, when no pH adjustment is considered, the actual effect of variables like initial monopersulfate and/or catalyst concentration may be hindered. As expected, temperature enhances the monopersulfate decomposition rate by following the Arrhenius law. The activation energy in the proximity of 85 kJ/mol has been obtained. Amongst the different solids tested in the monopersulfate decomposition, only the perovskite LaTi0.15Cu0.85O3 has shown a significant catalytic activity.
Peer reviewed: yes
URI: https://repositorio.ipbeja.pt/handle/123456789/575
Publisher version: https://www.waset.org/journals/waset/v33/v33-40.pdf
Appears in Collections:D-TCA - Artigos em revistas com peer review

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