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图 1 废旧LIBs原料的XRD谱图
Figure 1. XRD patterns of spent LIBs
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图 2 废旧LIBs原料的SEM-EDS结果图
Figure 2. SEM-EDS pattern of spent LIBs
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图 3 A. ferrooxidans的生长曲线及pH、Fe2+、Fe3+变化
Figure 3. A. ferrooxidans growth profile and changes in pH, Fe2+, and Fe3+ concentration
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图 4 A.ferrooxidans对数增长期的不同时期加入废旧LIBs对浸出参数的影响
Figure 4. The effects of adding spent LIBs at different stages of the A.ferrooxidans logarithmic growth period on leaching parameters
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图 5 废旧LIBs的投加时间对金属浸出率影响
Figure 5. The influence of the adding time of spent LIBs on the metal leaching efficiency
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图 6 生物浸出过程中废旧LIBs表面的形貌变化
Figure 6. Morphological changes during bioleaching
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图 7 生物浸出前后废旧LIBs的物相变化
Figure 7. Phase changes of spent LIBs before and after bioleaching
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图 8 C体系中A. ferrooxidans浸出废旧LIBs前后目标金属的XPS图谱
Figure 8. XPS images of spent LIBs target metals before and after leaching by A.ferrooxidans in C system
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