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The electrochemical generation of ferrate at porous magnetite electrode
- Source :
-
Electrochimica Acta . Aug2004, Vol. 49 Issue 19, p3155-3159. 5p. - Publication Year :
- 2004
-
Abstract
- In this work, ferrate(VI) was generated by the electrochemical oxidation of porous magnetite electrodes, made by melting pure magnetite grains. Pretreatment of the anode by cathodic polarization was necessary for ferrate(VI) generation and the achievement of high current efficiency. A electrolyte composition was found to be 16 M NaOH. In this electrolyte, the effect of anode current density J on Fe(VI) synthesis rate, current efficiency, and internal cell temperature were studied. An optimum result was obtained at <F>J=3.3</F> mA cm-2, 30 °C in 16 M NaOH for 5 h. [Copyright &y& Elsevier]
- Subjects :
- *OXIDE minerals
*ELECTRIC resistors
*OXIDATION
*ELECTROCHEMICAL analysis
*MAGNETITE
Subjects
Details
- Language :
- English
- ISSN :
- 00134686
- Volume :
- 49
- Issue :
- 19
- Database :
- Academic Search Index
- Journal :
- Electrochimica Acta
- Publication Type :
- Academic Journal
- Accession number :
- 13106602
- Full Text :
- https://doi.org/10.1016/j.electacta.2004.01.031