Iron : (1) ore crushing; (2) grinding process; (3) sorting technology; (4) sintering pellet technology; Manganese : mechanical selection (including beneficiation , screening, re-election, strong magnetic separation and flotation), as well as fire method and chemical beneficiation. Chromium : It is selected by a titanium jumping machine, a shaker, a spiral concentrator, a centrifugal concentrator and a belt chute. It is also sorted by hydraulics. Titanium vanadium magnetite: It is carried out after magnetically selecting a magnetite concentrate through a magnetic separation process of a grinding, a coarse, a fine, and a sweep. Copper : methods such as flotation, magnetic separation, re-election, or wet smelting. Lead Zinc: General magnetic - floating, heavy - floating joint processing methods and the like - the floating weight - magnetic. Aluminum : Generally used by hand. Nickel : (1) flotation; (2) pre-removal of large-sized bedrock with low degree of differentiation and low nickel content by processes such as crushing and sieving. Cobalt : Flotation is generally used. Tungsten: According to the ore type tungsten ore dressing, it is divided into black tungsten and white tungsten . The ore dressing methods include hand selection, re-election, flotation, magnetic separation, and electrification. Tin : The beneficiation method is gravity ore dressing and flotation process. Molybdenum : mainly flotation. Mercury : There are hand selection, re-election and flotation, among which flotation is widely used and most effective. 锑 : There are mainly methods such as hand selection, re-election, and flotation. Platinum group: (1) Reasonable ball milling, using a suitable cyclone grading; (2) recovery rate; Gold : Gold is extremely low in ore. To extract gold, it is necessary to crush and grind the ore and separate the gold by mineral processing. Mainly re-election and flotation. Silver : (1) flotation method; (2) a joint process of single flotation method, float-re-election method, and flotation cyanidation method, among which flotation is the most important. Niobium, tantalum, beryllium lithium: hand-selected method, flotation, or chemical - joint flotation method, warm election law, election law radioactive, mineral particles floating method. 锶 : The most commonly used method in heavy stone lapis lazuli dressing. The most common structural process is the jigging-shaker-based process. Rare earth metal: Generally, magnetic separation and flotation are used to obtain about 60% of the concentrate containing rare earth oxide. About silicone watch bands:
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