Arsenic precipitation from metallurgical effluents

Authors

  • P. Navarrro Departamento de Ingeniería Metalúrgica, Universidad de Santiago de Chile
  • C. Vargas Departamento de Ingeniería Metalúrgica, Universidad de Santiago de Chile
  • E. Araya Departamento de Ingeniería Metalúrgica, Universidad de Santiago de Chile
  • I. Martín Centro Nacional de Investigaciones Metalúrgicas (CSIC)
  • F. J. Alguacil Centro Nacional de Investigaciones Metalúrgicas (CSIC)

DOI:

https://doi.org/10.3989/revmetalm.2004.v40.i6.297

Keywords:

Precipitation, arsenic, effluent, arsenates, environment.

Abstract


In the mining-metallurgical companies different liquid effluents are produced, which can contain a series of dissolved elements that are considered dangerous from an environmental point of view. One of these elements is the arsenic, especially in the state of oxidation +5 that can be precipitated as calcium or iron arsenate. To fulfil the environmental requests it should have in solution a content of arsenic lower than 0,5 mg/1 and the obtained solid product should be very stable under the condition in which it will be stored. This work looks for the best conditions of arsenic precipitation, until achieving contents in solution lower than such mentioned concentration. Also, the stability of the precipitates was studied.

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Published

2004-12-30

How to Cite

Navarrro, P., Vargas, C., Araya, E., Martín, I., & Alguacil, F. J. (2004). Arsenic precipitation from metallurgical effluents. Revista De Metalurgia, 40(6), 409–412. https://doi.org/10.3989/revmetalm.2004.v40.i6.297

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