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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.

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采用磁化还原法回收砷铁渣中的砷和铁,优化实验条件为:焙烧温度650 ℃、碳加入量25%、焙烧时间180 min、氩气保护,此条件下砷挥发率达97.25%,焙烧渣中砷含量降至0.61%;砷以As2O3形式回收,纯度为99.13%;砷铁渣中铁被磁化,可采用磁选法以Fe3O4形式回收。该工艺实现了砷铁渣资源化利用。

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李学鹏(1985—)男,江西丰城人,博士,高级工程师,主要从事含砷物料处理工作。

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李学鹏(1985—)男,江西丰城人,博士,高级工程师,主要从事含砷物料处理工作。

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李学鹏(1985—)男,江西丰城人,博士,高级工程师,主要从事含砷物料处理工作。

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砷铁渣中砷和铁的资源化利用研究
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李学鹏 1 , 王娟 2 , 常军 1 , 王子阳 1
矿冶工程杂志 | 冶金 2023,43(2): 105-108
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矿冶工程杂志 | 冶金 2023, 43(2): 105-108
砷铁渣中砷和铁的资源化利用研究
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李学鹏1, 王娟2, 常军1, 王子阳1
作者信息
  • 1.铜仁学院 材料与化学工程学院,贵州 铜仁 554300
  • 2.铜仁学院 大数据学院,贵州 铜仁 554300
  • 李学鹏(1985—)男,江西丰城人,博士,高级工程师,主要从事含砷物料处理工作。

Utilization of Arsenic and Iron in Arsenic-Iron Slag
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
出版时间: 2023-04-01 doi: 10.3969/j.issn.0253-6099.2023.02.024
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采用磁化还原法回收砷铁渣中的砷和铁,优化实验条件为:焙烧温度650 ℃、碳加入量25%、焙烧时间180 min、氩气保护,此条件下砷挥发率达97.25%,焙烧渣中砷含量降至0.61%;砷以As2O3形式回收,纯度为99.13%;砷铁渣中铁被磁化,可采用磁选法以Fe3O4形式回收。该工艺实现了砷铁渣资源化利用。

资源化利用  /  砷铁渣  /  砷  /  三氧化二砷  /  四氧化三铁

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
李学鹏, 王娟, 常军, 王子阳. 砷铁渣中砷和铁的资源化利用研究. 矿冶工程杂志, 2023 , 43 (2) : 105 -108 . DOI: 10.3969/j.issn.0253-6099.2023.02.024
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
  • 贵州省科技厅基础研究计划项目(黔科合基础[2020]1Y223)
  • 铜仁市科技局博士人才项目(铜市科研[2021]31号)
  • 铜仁学院博士人才项目(200030405)
2023年第43卷第2期
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doi: 10.3969/j.issn.0253-6099.2023.02.024
  • 接收时间:2022-10-22
  • 首发时间:2026-03-05
  • 出版时间:2023-04-01
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  • 收稿日期:2022-10-22
基金
贵州省科技厅基础研究计划项目(黔科合基础[2020]1Y223)
铜仁市科技局博士人才项目(铜市科研[2021]31号)
铜仁学院博士人才项目(200030405)
作者信息
    1.铜仁学院 材料与化学工程学院,贵州 铜仁 554300
    2.铜仁学院 大数据学院,贵州 铜仁 554300
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2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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