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图 1 ATP、Fe3O4和ATP@Fe3O4的SEM图
Figure 1. Typical SEM images of ATP, Fe3O4 and ATP@Fe3O4
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图 2 ATP、Fe3O4和ATP@Fe3O4的XRD图
Figure 2. XRD patterns for ATP, Fe3O4 and ATP@Fe3O4
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图 3 ATP@Fe3O4的高分辨透射电子显微镜图和Fe、O、Si、Al、Mg元素的映射图像
Figure 3. HRTEM images of ATP@Fe3O4 and the corresponding EDX elemental mapping of iron, oxygen, silicon, aluminum, magnesium
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图 4 ATP@Fe3O4的XPS图
Figure 4. XPS spectra of ATP@Fe3O4
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图 5 Fe3O4和ATP@Fe3O4的磁化曲线
Figure 5. Magnetization curves of Fe3O4 and ATP@Fe3O4
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图 6 ATP@Fe3O4对TC的吸附和降解的影响
Figure 6. Effects of adsorption and degradation of TC by ATP@Fe3O4
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图 7 pH对ATP@Fe3O4/PS体系去除四环素的影响
Figure 7. Effects of pH on TC removal by ATP@Fe3O4/PS system
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图 8 过硫酸盐浓度对ATP@Fe3O4/PS体系去除四环素的影响
Figure 8. Effects of initial PS concentration on TC removal by ATP@Fe3O4/PS system
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图 9 催化剂投加量对ATP@Fe3O4/PS体系去除四环素的影响
Figure 9. Effects of the catalyst dosage on TC removal by ATP@Fe3O4/PS system
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图 10 材料吸附降解四环素过程中总铁离子、Fe3+和Fe2+的变化
Figure 10. Variation of the dissolved iron, ferric ion and ferrous ion in the solution during TC degradation
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图 11 ATP@Fe3O4复合催化材料催化PS降解TC的反应机制相关图示
Figure 11. Related diagrams of the reaction mechanism of the PS activated by ATP@Fe3O4 catalyst for TC degradation
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