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Comparative Study of the Flue Gas Desulfurization Using Different‐Grade Natural Manganese Oxides
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2020-01-08 , DOI: 10.1002/ceat.201900266 Yongxiang Chen 1 , Jianguo Li 1 , Yunjiao Li 1 , Xinlong Cao 1, 2 , Sanchuan Tang 3 , Shilei Wang 1 , Shenhong Chang 1 , Wanqi Ye 1 , Wei Li 1
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2020-01-08 , DOI: 10.1002/ceat.201900266 Yongxiang Chen 1 , Jianguo Li 1 , Yunjiao Li 1 , Xinlong Cao 1, 2 , Sanchuan Tang 3 , Shilei Wang 1 , Shenhong Chang 1 , Wanqi Ye 1 , Wei Li 1
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Different grades of natural manganese ores were used to remove SO2 by dry flue gas desulfurization. The grades of the manganese ores were negatively correlated with the desulfurization performance. The produced MnSO4 enriched on the surface would block the gas diffusion channels during desulfurization. The better desulfurization properties of the low‐grade manganese ores are ascribed to the highly active γ‐MnO2, the porous structure, and the high specific surface area as well as the SiO2 bridge‐like effects. This study supports the cooperative use of sulfur‐containing flue gases and low‐grade natural manganese oxides.
中文翻译：
不同等级天然锰氧化物对烟气脱硫的比较研究
使用不同等级的天然锰矿石通过干烟气脱硫去除SO 2。锰矿品位与脱硫性能呈负相关。表面富集的生成的MnSO 4在脱硫过程中会阻塞气体扩散通道。低品位锰矿具有更好的脱硫性能，这归因于高活性γ- MnO 2，多孔结构，高比表面积以及SiO 2桥样效应。这项研究支持含硫烟气与低品位天然锰氧化物的协同使用。
更新日期：2020-01-08
中文翻译：
不同等级天然锰氧化物对烟气脱硫的比较研究
使用不同等级的天然锰矿石通过干烟气脱硫去除SO 2。锰矿品位与脱硫性能呈负相关。表面富集的生成的MnSO 4在脱硫过程中会阻塞气体扩散通道。低品位锰矿具有更好的脱硫性能，这归因于高活性γ- MnO 2，多孔结构，高比表面积以及SiO 2桥样效应。这项研究支持含硫烟气与低品位天然锰氧化物的协同使用。
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