Detoxification of arsenic‐containing copper smelting dust by electrochemical advanced oxidation technology

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Abstract

A large amount of arsenic‐containing solid waste is produced in the metallurgical process of heavy nonferrous metals (copper, lead, and zinc). The landfill disposal of these arsenic‐containing solid waste will cause serious environmental problems and endanger people’s health. An electrochemical advanced oxidation experiment was carried out with the cathode modified by adding carbon black and polytetrafluoroethylene (PTFE) emulsion. The removal rate of arsenic using advanced electrochemical oxidation with the modified cathode in 75 g/L NaOH at 25 °C for 90 min reached 98.4%, which was significantly higher than 80.69% of the alkaline leaching arsenic removal process. The use of electrochemical advanced oxidation technology can efficiently deal with the problem of arsenic‐containing toxic solid waste, considered as a cleaner and efficient method.

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APA

Li, M., Yuan, J., Liu, B., Du, H., Dreisinger, D., Cao, Y., & Han, G. (2021). Detoxification of arsenic‐containing copper smelting dust by electrochemical advanced oxidation technology. Minerals, 11(12). https://doi.org/10.3390/min11121311

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