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Outline
Generally, the wire-wrapped filter in dense fixed-bed adsorption tower is designed based on experience, the design process lacks theoretical analysis and experimental data. The liquid outflow capacity, filtering effects, pressure drop and cleaning methods of wire-wrapped filter were researched by adsorption test using dense fixed-bed adsorption tower. The results show that the liquid outflow capacity and filtering effects could be satisfied when the superficial linear velocity was 65 m/h, since the slot area of wire-wrapped filter was 4 times the area of the liquid inlet. The change rule of pressure drop, cleaning methods and its effects of wire-wrapped filter were summarized. The design and selection of wire-wrapped filter were provided by the test. Also, the correct use of wire-wrapped filter in actual production was clarified. The test results could provide reference for the subsequent development of high flux ion exchange equipment.
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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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