Aplicación del permanganato potásico para la eliminación de cianuros de cobre en aguas residuales de la planta de lixiviación en una mina de oro (11): Ensayos en planta piloto(

  1. Sancho Martínez, José P.
  2. Fernández, B. J.
  3. Ayala Espina, Julia
  4. García, M. P.
  5. Lavandeira, Alberto
Journal:
Revista de metalurgia

ISSN: 0034-8570

Year of publication: 2011

Volume: 47

Issue: 3

Pages: 224-233

Type: Article

DOI: 10.3989/REVMETALM.1029 DIALNET GOOGLE SCHOLAR lock_openOpen access editor

More publications in: Revista de metalurgia

Sustainable development goals

Abstract

The search for a detoxification treatment of the wastewater generated during industrial processes, has been a constant for all companies in general and for gold mining in particular, whose wastewater generally contains high concentrations of cyanide compounds with high toxicity. In the previous research work, developed in the laboratory, the efficacy of potassium permanganate as an oxidizing agent for cyanidic wastewater, from a gold hydrometallurgical plant, has been demonstrated, achieving the destruction of copper cyanide complexes present in solution and the subsequent metal removal by precipitation as hydroxide. This paper presents the conclusions obtained after the implementation of the process developed in the laboratory, at pilot-plant scale.

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