Influence of electrolyte composition on current yield during ferrate(VI) production by anodic iron dissolution |
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| Affiliation: | 1. Institute of Chemical Technology, Department of Inorganic Technology, Technická 5, 166 28 Prague 6, Czech Republic;2. University of Exeter, School of Engineering, North Park Road, Exeter EX4 4QF, UK;1. Instituto de Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Lagoa Nova, Natal, RN 59078-970, Brazil;2. Universidade Federal Rural do Semi-Árido, Campus Caraúbas/Apodi, RN 233, Km 1, Sítio Nova Esperança II, Caraúbas, RN 59780-000, Brazil;3. Departamento de Engenharia Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Lagoa Nova, Natal, RN 59078-970, Brazil;1. Faculdade de Medicina Universidade de São Paulo, São Paulo, Brazil;2. Instituto do Câncer do Estado de São Paulo, São Paulo, SP, Brazil;1. Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), C/ Jordi Girona 18-26, 08034 Barcelona, Spain;2. Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Box 7050, SE-750 07 Uppsala, Sweden;1. Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A5B9, Canada;2. Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, 1266 TAMU, College Station, TX 77843, USA |
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| Abstract: | The current efficiencies for ferrate(VI) formation under conditions of bubble induced convection with different anolyte compositions were compared. Results using 14 M KOH, 5 M NaOH, 5 M LiOH and a mixture of LiOH and NaOH of constant OH− concentration of 5 M at various temperatures and current densities were compared to previous data for 14 M NaOH solution. NaOH gave the best results under all conditions studied. |
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