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In order to effectively adsorb the corrosive sulfur in transformer oil, XDK was used as adsorption material, and dibenzyl disulfide (DBDS) was used as the experimental object. The test oil was prepared by adding DBDS to new transformer oil. The removal effect of XDK on DBDS in test oil was studied under different adsorption conditions and regeneration conditions. The structure of XDK was characterized by scanning electron microscopy (SEM), thermogravimetry (TG), and specific surface area analyzers (BET). The results show that the optimal regeneration temperature of XDK is 600℃, and the regeneration XDK still has good adsorption effect after four times. When the XDK mass fraction is 10%, the adsorption times are two times, the adsorption temperature is 10℃, and the adsorption times is 2 h, the DBDS removal rate reaches 96.9%, the dielectric constant, breakdown voltage, and volume resistivity of the insulating oil after treated increases by 0.31%, 5.3 kV, and 0.23 Ω·m, respectively, and the dielectric loss factor decreases by 0.21%.
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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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