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1 实验部分
1.1 实验材料
Table 1 Phosphate rock components %
P2O5 | CaO | MgO | Fe2O3 | Al2O3 | SiO2 | F |
27.46 | 42.63 | 1.05 | 1.19 | 1.74 | 18.46 | 2.75 |
1.2 实验过程
η=(C0-C1)/C0×100%
| (1) |
Fig. 1 Laboratory test flow chart of desulfurization by phosphate ore slurry
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2 结果与讨论
2.1 不同添加剂强化磷矿浆脱硫对脱硫效率的影响分析
2.1.1 不同硝酸盐添加剂强化磷矿浆脱硫下脱硫效率随反应时间的变化规律
Fig. 2 Effect of different nitrate additives on desulfurization by phosphate ore slurry
Fig. 2 Effect of different nitrate additives on desulfurization by phosphate ore slurry
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2.1.2 不同金属氧化物添加剂强化磷矿浆脱硫下脱硫效率随反应时间的变化规律
Fig. 3 Effect of different metal oxide additives on desulfurization by phosphate ore slurry
Fig. 3 Effect of different metal oxide additives on desulfurization by phosphate ore slurry
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2.1.3 不同有机添加剂强化磷矿浆脱硫下脱硫效率随反应时间的变化规律
Fig. 4 Effect of different organic additives on desulfurization by phosphate ore slurry
Fig. 4 Effect of different organic additives on desulfurization by phosphate ore slurry
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2.2 不同添加比例的添加剂对磷矿浆脱硫的影响
2.2.1 不同添加比例的硝酸铁添加剂对磷矿浆脱硫的影响
Fig. 5 Effect of different proportion of ferric nitrate on desulphurization by phosphate ore slurry
Fig. 5 Effect of different proportion of ferric nitrate on desulphurization by phosphate ore slurry
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2.2.2 不同添加比例的二氧化锰添加剂对磷矿浆脱硫的影响
Fig. 6 Effect of different proportion of manganese dioxide on desulfurization by phosphate ore slurry
Fig. 6 Effect of different proportion of manganese dioxide on desulfurization by phosphate ore slurry
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2.2.3 不同添加比例的己二酸对磷矿浆脱硫的影响
Fig. 7 Effect of different proportion of adipic acid on desulfurization by phosphate ore slurry
Fig. 7 Effect of different proportion of adipic acid on desulfurization by phosphate ore slurry
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2.3 不同进口浓度的SO2对最佳添加剂强化磷矿浆脱硫的影响
Fig. 8 Effect of different SO2 concentration on desulphurization by phosphate ore slurry
Fig. 8 Effect of different SO2 concentration on desulphurization by phosphate ore slurry
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