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Detoxification of Arsenic-Containing Copper Smelting Dust by Electrochemical Advanced Oxidation Technology Li, Meng; Yuan, Junfan; Liu, Bingbing; Du, Hao; Dreisinger, D. B. (David Bruce), 1958-; Cao, Yijun; Han, Guihong

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.

Item Metadata

Title
Detoxification of Arsenic-Containing Copper Smelting Dust by Electrochemical Advanced Oxidation Technology
Creator
Li, Meng; Yuan, Junfan; Liu, Bingbing; Du, Hao; Dreisinger, D. B. (David Bruce), 1958-; Cao, Yijun; Han, Guihong
Publisher
Multidisciplinary Digital Publishing Institute
Date Issued
2021-11-24
Description
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.
Subject
arsenic; copper smelting dust; electrochemical advanced oxidation technology; iron-free Fenton-like reaction
Genre
Article
Type
Text
Language
eng
Date Available
2022-01-24
Provider
Vancouver : University of British Columbia Library
Rights
CC BY 4.0
DOI
10.14288/1.0406330
URI
http://hdl.handle.net/2429/80706
Affiliation
Applied Science, Faculty of; Non UBC; Materials Engineering, Department of
Citation
Minerals 11 (12): 1311 (2021)
Publisher DOI
10.3390/min11121311
Peer Review Status
Reviewed
Scholarly Level
Faculty; Researcher
Rights URI
https://creativecommons.org/licenses/by/4.0/
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CC BY 4.0