Fabrication of Arsenic Sulfide using Thermal Treatment

Dong Won Lee; Jung Yeul Yun; Da Hee Park  and Jei Pil Wang

doi:10.17485/ijst/2016/v9i19/92317

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Fabrication of Arsenic Sulfide using Thermal Treatment

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2016/v9i19/92317

Year: 2016, Volume: 9, Issue: 19, Pages: 1-5

Original Article

Fabrication of Arsenic Sulfide using Thermal Treatment

Dong Won Lee¹, Jung-Yeul Yun² , Da-Hee Park² and Jei-Pil Wang^3*

¹Materials Commercialization Center, Korea Institute of Materials Science, Changwon 642-831, Korea ²Powder Technology Research Group, Korea Institute of Materials Science, Changwon 642-831, Korea ³Department of Metallurgical Engineering, Pukyong National University, Busan 608-739, Korea; [email protected]

*Author for correspondence
Jei-Pil Wang
Department of Metallurgical Engineering, Pukyong National University, Busan 608-739, Korea; [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

To remove the arsenic from gold concentrate using a thermal decomposition method, a test was conducted while changing the reaction time at 700°C. Additionally, the volatile arsenic from the gold concentrate was recovered using a bag-filter. The arsenic content in the concentrate was rapidly reduced from 12.62wt.% to 1.40wt.% after 1-hour burning and to below 1wt.% after 2 hours, indicating approximate 95% removal rate.

Keywords: Arsenic, Concentrate, Decomposition, Recovery