Potassium Ferrate and/or Sodium Ferrate Generation Using a Prototype of Electrochemical Reactor without Membrane
Autor: | Jesús R. Ortíz del Castillo, Juan R. López, Sergio Pérez Sicairos, Ignacio Calderón Ayala, Perla F. Méndez Herrera, Dora C. Peñuelas Fong |
---|---|
Rok vydání: | 2008 |
Předmět: | |
Zdroj: | ECS Transactions. 15:403-410 |
ISSN: | 1938-6737 1938-5862 |
Popis: | In this work, electrochemical generation of ferrate ion (FeO4-2) using a prototype of batch electrochemical reactor with agitation was studied. The anode used was a piece of steel tube (ASTM-A53) of 2 inches of nominal diameter and the cathode used was a steel bar of 0.5 inches. In the electrochemical reactor we did not use membranes, in order to diminish production costs and to make it a much more competitive and attractive process. Two different electrolytes were tested as reactant medium in the system: NaOH (10 M) and KOH (10 M). A current density of 53.62 mA/cm2 was applied with respect to the anode during a period of time of two hours. Afterwards the concentration of ferrate was determined in function of time using a spectroscopy method. It was found that the concentration of ferrate is higher in NaOH as reactant medium than KOH. |
Databáze: | OpenAIRE |
Externí odkaz: |