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Flotation effects can be achieved by the process

23 November, 2012 at 6:57 am in Construction

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When the raw ore grade is 28-32%, we can get excellent iron concentrate whose β iron is 65%. The total recoveries is 71%-75%?When selecting the fine iron mine whose main composition are hematite and illusion hematite by using magnetic flotation process, the flotation subject are hematite and illusion hematite. Iron flotation can adopt positive flotation method or anti-flotation method. When positive flotation method is adopted, the fatty acid collector are usually adopted, for example, oxidation of paraffin wax, soap, paper pulp waste and its processing products, sulfated, soap, petroleum sodium. When using anti-flotation method, if anionic collector is adopted, we can use caustic soda to adjust the slurry pH value, Lime is activator of the quartz; oxidized paraffin soap residue, and Sulfated soda residue are collectors ; starch, sodium chloride, lignin, sulfated lignin are hematite inhibitors. If the cationic collector is adopted, activator is not necessary, the slurry pH can maintain neutral; we can use ether amines, dodecylamine as collector, the purpose of inhibiting hematite and getting plank tonic quartz and silicate minerals can be achieved.

In recent years, Poland adopts the pointed shrinkage loop re-election process in the lead and zinc sulfide ore ore-milling classification to recycle 0-1mm fractionated part of the galena, to avoid its losses in residue economically and effectively, and improve the condition of flotation circuit conditions.sand making machines: http://www.crusher-machine.com/18.html

According to the characteristics of flotation subject, people often complete the check, record, adjustment and stability work of operating parameters by using automatic instrumentation and control devices, the flotation separation process control usually includes flotation process equipment order control, Administration of the amount of feed forward control, the slurry pH value control, pulp potential control, pulp flotation inflatable control, flotation cells level control.

When we floating the iron ore, the pulp are generally required to heat up to about 35 degrees to accelerate the collecting agent dissolved and improve the flotation effect. To solve the harmful effects of the fine mud in flotation separation process, sometimes the precipitation-flotation can be adopted. Using the flotation method, the magnetite concentrate can be obtained, the super-high-purity iron ore concentrate can also be obtained, or recycle associated elements from iron ore.

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