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微波辅助生物淋滤废旧碱性电池锌锰的溶出

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牛志睿, 辛宝平, 庞康, 江明荣, 李卓珏, 赵姣姣, 张咪. 微波辅助生物淋滤废旧碱性电池锌锰的溶出[J]. 环境工程学报, 2015, 9(11): 5199-5205. doi: 10.12030/j.cjee.20151111
引用本文: 牛志睿, 辛宝平, 庞康, 江明荣, 李卓珏, 赵姣姣, 张咪. 微波辅助生物淋滤废旧碱性电池锌锰的溶出[J]. 环境工程学报, 2015, 9(11): 5199-5205. doi: 10.12030/j.cjee.20151111
shu
Niu Zhirui, Xin Baoping, Pang Kang, Jiang Mingrong, Li Zhuojue, Zhao Jiaojiao, Zhang Mi. Microwave assisted dissolution efficiency of bioleaching of spent alkaline zinc manganese battery[J]. Chinese Journal of Environmental Engineering, 2015, 9(11): 5199-5205. doi: 10.12030/j.cjee.20151111
Citation: Niu Zhirui, Xin Baoping, Pang Kang, Jiang Mingrong, Li Zhuojue, Zhao Jiaojiao, Zhang Mi. Microwave assisted dissolution efficiency of bioleaching of spent alkaline zinc manganese battery[J]. Chinese Journal of Environmental Engineering, 2015, 9(11): 5199-5205. doi: 10.12030/j.cjee.20151111
shu

微波辅助生物淋滤废旧碱性电池锌锰的溶出

  • 1.

    延安大学石油工程与环境工程学院, 延安 716000

  • 2.

    北京理工大学化工与环境学院, 北京 100081

  • 基金项目:

    国家自然科学基金资助项目(21277012)

    陕西省高水平大学专项资金项目(2013SXTS03)

    陕西省教育厅专项科研计划项目(15JK1825)

  • 中图分类号: X172

Microwave assisted dissolution efficiency of bioleaching of spent alkaline zinc manganese battery

  • 1.

    School of Petroleum and Environment Engineering, Yan'an University, Yan'an 716000, China

  • 2.

    School of Chemical Engineering and Environment, Beijing Institute of Technology, Beijing 100081, China

  • Fund Project:

  • 摘要: 以氧化硫硫杆菌为淋滤菌株对废旧碱性电池电极材料中Zn、Mn进行生物淋滤,考察了生物淋滤、化学浸提和微波辅助处理对Zn、Mn浸出率的影响。实验结果表明,在能源底物单质硫浓度20 g/L、初始pH值1.0、淋滤培养温度35℃、固液比为1%条件下,经过9 d生物淋滤,微波辅助处理的生物淋滤体系Zn、Mn浸出率均达到49%左右,优于其他淋滤体系。溶出动力学研究表明,Zn的溶出动力学符合化学反应控制模型,Mn的溶出则表现较为复杂。此外,SEM-EDS、XRD分析可知,原样经过微波辐照,部分ZnMn2O4分解为MnO,促进了Mn的溶出。
    Abstract: In this study, Acidithiobacillus thiooxidans was used for bioleaching Zn/Mn in spent alkaline batteries electrode materials. The leaching efficiency of Zn and Mn among bioleaching, chemical extraction and microwave assisted bioleaching was studied. The results showed that both of the Zn and Mn leaching rates were reached about 49% in microwave assisted bioleaching after 9 days of bioleaching under the conditions of the concentration of elemental sulfur as the sole energy substrate of 20.0 g/L, the initial pH of 1.0, the culture temperature of 35℃ and the solid-liquid ratio of 1.0%. The extraction efficiency of microwave assisted bioleaching was much higher than the other leaching systems. Dissolution kinetics studies showed that the bioleaching behavior of Zn is best described by the chemical reaction controlled model but Mn had the different controlled model at the different leaching progress. In addition, SEM-EDS and XRD analysis showed that the ZnMn2O4 was broken down into MnO by using microwave irradiation, promoting the dissolution of Mn.
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出版历程
  • 收稿日期:  2015-01-09
  • 刊出日期:  2015-11-18
牛志睿, 辛宝平, 庞康, 江明荣, 李卓珏, 赵姣姣, 张咪. 微波辅助生物淋滤废旧碱性电池锌锰的溶出[J]. 环境工程学报, 2015, 9(11): 5199-5205. doi: 10.12030/j.cjee.20151111
引用本文: 牛志睿, 辛宝平, 庞康, 江明荣, 李卓珏, 赵姣姣, 张咪. 微波辅助生物淋滤废旧碱性电池锌锰的溶出[J]. 环境工程学报, 2015, 9(11): 5199-5205. doi: 10.12030/j.cjee.20151111
shu
Niu Zhirui, Xin Baoping, Pang Kang, Jiang Mingrong, Li Zhuojue, Zhao Jiaojiao, Zhang Mi. Microwave assisted dissolution efficiency of bioleaching of spent alkaline zinc manganese battery[J]. Chinese Journal of Environmental Engineering, 2015, 9(11): 5199-5205. doi: 10.12030/j.cjee.20151111
Citation: Niu Zhirui, Xin Baoping, Pang Kang, Jiang Mingrong, Li Zhuojue, Zhao Jiaojiao, Zhang Mi. Microwave assisted dissolution efficiency of bioleaching of spent alkaline zinc manganese battery[J]. Chinese Journal of Environmental Engineering, 2015, 9(11): 5199-5205. doi: 10.12030/j.cjee.20151111
shu

微波辅助生物淋滤废旧碱性电池锌锰的溶出

  • 1.  延安大学石油工程与环境工程学院, 延安 716000
  • 2.  北京理工大学化工与环境学院, 北京 100081
  • 收稿日期:  2015-01-09
基金项目:

国家自然科学基金资助项目(21277012)

陕西省高水平大学专项资金项目(2013SXTS03)

陕西省教育厅专项科研计划项目(15JK1825)

摘要: 以氧化硫硫杆菌为淋滤菌株对废旧碱性电池电极材料中Zn、Mn进行生物淋滤,考察了生物淋滤、化学浸提和微波辅助处理对Zn、Mn浸出率的影响。实验结果表明,在能源底物单质硫浓度20 g/L、初始pH值1.0、淋滤培养温度35℃、固液比为1%条件下,经过9 d生物淋滤,微波辅助处理的生物淋滤体系Zn、Mn浸出率均达到49%左右,优于其他淋滤体系。溶出动力学研究表明,Zn的溶出动力学符合化学反应控制模型,Mn的溶出则表现较为复杂。此外,SEM-EDS、XRD分析可知,原样经过微波辐照,部分ZnMn2O4分解为MnO,促进了Mn的溶出。

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