Full
Outline
The development and utilization of mineral resources not only provides a material basis for the development of the national economy, but also a key “battlefield” for carbon emission reduction under the “dual carbon” goals. In order to realize the low-carbon development of mines, based on the previous evaluation indexes of mining scheme optimization, the carbon performance related indexes were introduced, and the weighted grey relational mining scheme optimization model considering carbon performance was constructed. Taking a mine in China as an example, in addition to safety, economic and technical indicators, carbon performance indicators such as average carbon performance were introduced. The weight of each index was comprehensively determined using game theory, and the four mining schemes of stage room subsequent filling mining, open-pit stratified stepped mining, open-pit stratified stepped mining (35%) and stage room subsequent filling combined mining, open-pit stratified stepped mining (60%) and stage room subsequent filling combined mining were evaluated. Finally, it is determined that open-pit stratified stepped mining is the optimal scheme. Compared with the optimization results without considering carbon performance, the introduction of carbon performance index makes the weighted grey relational grade of each scheme change, which proves that it is of great significance to consider carbon performance index under the “dual carbon” goals, which meets the requirements of developing green mining and can provide reference for mining scheme optimization of mines under the “dual carbon” goals.
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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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