A complex porphyry copper-sulfur raw ore contains 0.45% copper and 3.61% sulfur, with high development and utilization value. Research on process mineralogy shows that the ore has diverse structures, multiple types of copper minerals, easy mudification of gangue minerals, and uneven distribution of target mineral particle sizes, which makes it difficult to efficiently recover copper and sulfur. Based on mineralogical research, a flotation process flow with rough grinding of raw ore, copper-sulfur mixed flotation, fine grinding of coarse concentrate, and copper-sulfur separation was developed. At the same time, copper collectors GTB1 and GTB3 with good selectivity were used for tests. In a small-scale closed-circuit test, a copper concentrate with a copper grade of 25.145% and a copper recovery rate of 90.90% is obtained, as well as a sulfur concentrate with a sulfur content of 42.51% and a sulfur recovery rate of 66.24%.
| 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 |