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Utilization of Arsenic and Iron in Arsenic-Iron Slag
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Xuepeng LI1, Juan WANG2, Jun CHANG1, Ziyang WANG1
Mining and Metallurgical Engineering | 2023, 43(2) : 105 - 108
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Mining and Metallurgical Engineering | 2023, 43(2): 105-108
METALLURGY
Utilization of Arsenic and Iron in Arsenic-Iron Slag
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Xuepeng LI1, Juan WANG2, Jun CHANG1, Ziyang WANG1
Affiliations
  • 1.College of Material and Chemical Engineering, Tongren University, Tongren 554300, Guizhou, China
  • 2.School of Data Science, Tongren University, Tongren 554300, Guizhou, China
Published: 2023-04-01 doi: 10.3969/j.issn.0253-6099.2023.02.024
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Arsenic-iron slag were treated by using magnetizing reduction for recovering arsenic and iron therein, and the experimental conditions were optimized as follows: roasting at 650 ℃ for 180 min, adding carbon at an amount of 25% and protecting with argon. Under such conditions, the arsenic volatilization rate reached 97.25% and arsenic content in the roasted slag decreased to 0.61%. It is found that arsenic can be recovered in the form of As2O3, with purity up to 99.13%, while iron therein is magnetized and can be recovered in the form of Fe3O4 by magnetic separation. Therefore, this process can actualize the resource utilization of arsenic-iron slag.

resource utilization  /  arsenic-iron slag  /  arsenic  /  arsenic trioxide  /  ferroferric oxide
Xuepeng LI, Juan WANG, Jun CHANG, Ziyang WANG. Utilization of Arsenic and Iron in Arsenic-Iron Slag[J]. Mining and Metallurgical Engineering, 2023 , 43 (2) : 105 -108 . DOI: 10.3969/j.issn.0253-6099.2023.02.024
Year 2023 volume 43 Issue 2
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.02.024
  • Receive Date:2022-10-22
  • Online Date:2026-03-05
  • Published:2023-04-01
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  • Received:2022-10-22
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    1.College of Material and Chemical Engineering, Tongren University, Tongren 554300, Guizhou, China
    2.School of Data Science, Tongren University, Tongren 554300, Guizhou, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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