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A large amount of particulate matter, sulfur dioxide and nitrogen oxide are generated in production process of iron and steel enterprises. In order to reduce further damage of these pollutants to the atmospheric environment, it is necessary to carry out desulfurization and denitrification treatments for discharged flue gas. The conventional technologies of desulfurization and denitrification are with such drawbacks as large occupied area and smaller adaptative reaction temperature interval. In the paper, a new integrated technology of desulfurization and denitrification with fixed bed is emphatically introduced, which is with such characteristics as small occupied area as well as better adjustability of desulfurization and denitrification efficiency so that it is suitable for different production environments. After the technology is applied, the integration of dust removal, desulfurization and denitrification could be achieved as well as concentrations of pollutants could all reach the ultra-low emission standard.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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