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             Name: Flotation process
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            Flotation process

            Flotation beneficiation beneficiation is one of the most important process, use is very extensive. According to statistics, more than 90% of non-ferrous metal mineral flotation processes are handled. In addition, also used for ferrous metals, precious metals and non-metallic mineral processing, water purification and even the field in recent years and so on.

             

            Flotation Process Description:
            Mineral particle hydrophobic surface properties due to their own or the role of flotation agent obtained after the hydrophobic properties, can be liquid - gas or water - oil interface to aggregate. The most widely used method is froth flotation. Ore crushing and grinding to a variety of minerals dissociated into single particles, particle size and to meet the flotation process requirements. After grinding the slurry to a variety of flotation reagent added with stirring to reconcile that with the role of mineral grains to expand the availability of different mineral particles floating difference. Tuned into the flotation pulp, stirring inflation. Pulp in contact with mineral particles and air bubbles, collision, and good to float selectively adhere to mineral particles carried by air bubbles rising to become gas - liquid - solid three-phase layer consisting of mineralized foam by mechanical scraping or from slurry surface overflow, and then dehydration, drying into concentrates products. Can not float gangue minerals such particles, with the bottom of the tank as a slurry tailings from the flotation product discharge. Mineral particles floating to the useless, useful minerals remain in the pulp, known as anti-flotation, as emerges from the iron ore and quartz.


            Flotation process characteristics:
            Foam flotation for sorting to 5μm, 0.5mm mineral particles, depending on the specific mineral grains may be limited. Selected size less than 5μm requires the use of special flotation method. Such as coagulation - flocculation flotation is useful to make fine-grained mineral flocculation into larger particles after extrusion floating gangue fine mud to coarse-grained gangue. Carrier flotation is particle size suitable for flotation of the ore carrier, the adhesion of fine mineral particles floating in the carrier surface and subsequently sorting. There are fine with the oil so that the flotation of mineral particles aggregate and emulsified oil agglomeration flotation flotation; and the use of high-temperature chemical reaction to make the ore into metal and then metal mineral flotation segregation flotation. Foam flotation of metal ions in aqueous solution, the first use of chemical methods to precipitation or ion exchange resin, and then precipitate or resin particles flotation.


            Flotation process scheme:
            Flotation beneficiation process is one of the most important use is very extensive. According to statistics, more than 90% of non-ferrous metal mineral flotation processes are handled. In addition, also used for ferrous metals, precious metals and non-metallic mineral processing, water purification and even the field in recent years and so on. From the above standard flotation process design flow can clearly see the process of mineral beneficiation, flotation machine is an important device for flotation, the slurry after mixing fully inflated, the useful minerals enrichment, complete the flotation operation. Important step in the process is the selection and operation of flotation reagent, so as to achieve a good dressing purposes. Compared with other mineral processing, flotation beneficiation of economic rationality, the effect is very good. Note: This process flow according to the standard process design, customers can optimize the output and the requirements of the different designs.

             

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