Reduction of hexavalent chrome from artificial effluent of chrome: Batch electrocoagulation method [Reducción del cromo hexavalente de efluente artificial de cromado: Método de electrocoagulación por lotes]

Authors

  • Hans Roger Portilla Rodriguez Escuela de Ingeniería Metalúrgica, Universidad Nacional de Trujillo
  • Aldo Roger Castillo Chung Escuela de Ingeniería Metalúrgica, Universidad Nacional de Trujillo
  • César Pol Arévalo Aranda Escuela de Ingeniería Metalúrgica, Universidad Nacional de Trujillo
  • Fabio Cabrera Saldaña Escuela de Ingeniería de Materiales, Universidad Nacional de Trujillo
  • Juan Antonio Vega González Escuela de Ingeniería Metalúrgica, Universidad Nacional de Trujillo
  • Alexander Yushepy Vega Escuela de Ingeniería de Materiales, Universidad Nacional de Trujillo

Keywords:

Electrocoagulation, Chrome Effluents, Chrome, batch

Abstract

The present research evaluated treatment time, electrode area / effluent volume ratio, on the% reduction of hexavalent chromium in artificial chrome plating effluents, was evaluated by the batch electrocoagulation method; Method for which A-36 steel anodes and cathodes of (5.0 x 5.0 x 0.2) cm were used. The number of electrodes and the separation between them was varied in order to vary the ratio of electrode area / effluent volume and; for a batch type electrocoagulation reactor in which 27 tests were carried out; keeping the volume of effluent treated constant. From the results obtained, it was determined that the increase in the electrocoagulation time and the electrode area / effluent volume ratio influence the percentage of hexavalent chromium reduction of the artificial chromium plating, as supported by ANOVA and test F; the maximum reduction percentage achieved was 91.65%, with respect to the initial concentration (20 mg/L), for a test time of 60 minutes and a ratio of electrode area / effluent volume of 0.912 m2/L.

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References

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Published

06-12-2020

How to Cite

Portilla Rodriguez, H. R., Castillo Chung, A. R. ., Arévalo Aranda, C. P. ., Cabrera Saldaña, F. ., Vega González , J. A., & Vega , A. Y. . (2020). Reduction of hexavalent chrome from artificial effluent of chrome: Batch electrocoagulation method [Reducción del cromo hexavalente de efluente artificial de cromado: Método de electrocoagulación por lotes]. Journal of Sciences and Engineering, 4(2), 33–43. Retrieved from https://journals.cincader.org/index.php/sej/article/view/64

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