More than two metal-rich sulfide ore flotation process should be chosen directly. For polymetallic lean ore, it is advisable to use a mixed or partially mixed flotation process. When there are differences in the floatability of some minerals in the three polymetallic sulphide ore, it is advisable to adopt a floatable process. 4 polymetallic sulphide ore with different ore floatability, low grade ore, fine mineral size, relatively difficult to select or high oxidation rate, consider branch flotation or equal float and branch float Selected joint process. 5 ore gold, silver, platinum, lead and other heavy minerals and ores easy to produce too brittle heavy mineral grinding in grinding, the flash flotation process may be employed. When the quality of 6 concentrates is high and the useful minerals are finely embedded, the multi-stage grinding process of concentrate should be used. 7 ore with high ore grade and good floatability. When the quality requirements of concentrates are not strict, it is advisable to use rough selection to produce the final concentrate and 1 to 2 sweeps. For ore with low grade ore and high quality of concentrate, multiple selected processes should be used. The return point of the 8 medium mines shall be determined by the test, and the design may be appropriately adjusted according to the quality requirements of the concentrate and the nature of the medium ore. 9 contains large amounts of ore flotation agent, slime and a large amount of hard mineral material, it should be used in the mine separate processes.
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Non-ferrous metal concentrator design process - flotation
A sulphide ore with finely divided fine particles should be selected for a period of flotation. For the sulfide ore with uneven coarse and fine grain, a multi-stage flotation process should be used.