• Recovery and separation of iron from iron ore using ...

    magnet into magnetic concentrate, and nonmagnetic gangue materials like quartz could be thrown into tailings after lowintensity magnetic separation. In this investigation, the effects of key variables such as the roasting temperature, and the flow rates of CO and N 2 on fluidized magnetization roasting performance were mainly studied. 2 ...

    Get Price
  • Mineral processing Concentration |

    Mineral processing Mineral processing Concentration: Concentration involves the separation of valuable minerals from the other raw materials received from the grinding mill. In largescale operations this is accomplished by taking advantage of the different properties of the minerals to be separated. These properties can be colour (optical sorting), density (gravity separation), magnetic ...

    Get Price
  • China Iron Ore, Magnetic Iron Ore, Magnetic Iron Ore ...

    Iron ore concentrates are used as a metallurgic raw material in iron smelting with grade between 70 and % Fe. Iron ore concentrates are characterised by low sulphur and phosphorus content. Iron ore concentrate recovery is based on magnetic beneficiating methods.

    Get Price
  • Maximizing the recovery of fine iron ore using magnetic ...

    The recovery of fine iron ore by magnetic separation will decrease with decreasing particle size because the magnetic susceptibility of magnetic particles decreases with a decrease in particle mass. There is an example of an Australian ironore operation that introduced beneficiation of fine haematite, .

    Get Price
  • MAGNETIC BELT COBBING TECHNO·LOGY FOR UPGRADING .

    particle size of the ore are plotted in figure 15. A grind time of 12 minutes (25 microns) was required to produce an acceptable grade of 68 pct iron and 5 pct Si02 in the magnetic fraction (see figure 14). As shown in figure 14, extending the grind time produced a highergrade magnetic concentrate product.

    Get Price
  • Magnetic Separation Process YouTube

    Sep 01, 2013· In 1996, the selected iron ore was million tons which accounted for % of the amount of undressed ore production of million tons.

    Get Price
  • Beneficiation Study on an Oolitic Hematite

    The oolitic hematite with a lower iron content and a higher phosphorus content will be a potential source of raw iron ore for the Chinese iron and steel industry. The magnetization reducing roasted and magnetic separation is a practical beneficiation process.

    Get Price
  • Strong Magnetic Iron Ore Beneficiation Process

    And other qualified concentrates were gained by magnetic separation fine screen magnetic separation, then oversize material returned to thickening and magnetic separation for reprocessing. Finally, iron concentrate was increased from 67 % to 69 %, silicon dioxide was reduced from % to %.

    Get Price
  • Characterization and PreConcentration of LowGrade ...

    friendly magnetic separation technology to recover vanadiumtitanium magnetite concentrate and preconcentrate rough concentrate of ilmenite, which provides high quality raw materials for flotation from lowgrade vanadiumtitanium magnetite ore in the Chaoyang area of China based on a mineralogical study. The reason why the vanadiumtitanium magnetite concentrates in this area

    Get Price
  • Production of pelletizing concentrates from ...

    Zandrivierspoort magnetite/haematite ore by magnetic separation by P. Muthaphuli* Synopsis Kumba Iron Ore's Zandrivierspoort (ZRP) magnetitehaematite project aims to mine and beneficiate a magnetite resource with low contaminant levels to produce from 1 Mt/a to Mt/a product, which will be either a

    Get Price
  • Beneficiation of a lowgrade iron ore by combination of ...

    magnetic separation and reverse flotation methods. The main constituents of the ... ore (32% Fe) was upgraded to a concentrate of % Fe grade and % recovery using ... The concentrate and tailing of the magnetic separation step were filtered, dried, homogenized, and analyzed for the iron

    Get Price
  • Wet magnetic separation of Siberian ironore concentrates ...

    The basic magnetic characteristics of the initial concentrates and the products obtained on separation are measured. The yield of magnetic product is greatest for magnetite ores: more than 68% (Abakan), as compared to 43–45% for weakly oxidized ore.

    Get Price
  • Magnetic Separation, Magnetic Separation Process, Magnetic ...

    Strong magnetic iron ore separation process. It is used to low grade magnetite. Due to the strong magnetic and easy to grind, one stage grinding is adopted for magnetite with coarse particle distribution, conversely the multi stages grinding. At present the fine grinding technology promoted by Xinhai improves the concentrate grate from 61% to 67%.

    Get Price
  • Magnetic Separation | Hazen Research

    Magnetic separation is of growing interest because of new developments in highfieldstrength magnets. Concentration of iron ore with lowintensity magnetic separators has been used for decades in the recovery of magnetite.

    Get Price
  • Investigation of Efficiency of Magnetic Separation Methods ...

    separation for the two coarser fractions showed that size fraction of coarser than 1000 micron produced a concentrate with Fe grade % and relative Fe recovery % and size fraction of 1000+150 micron with Fe grade %45. 04 and relative Fe

    Get Price
  • Magnetic Separation Line,Magnetic Plant,Iron Magnetic ...

    Magnetic Separation Line Iron ore magnetic separation line is composed of vibrating feeder, jaw crusher, cone crusher, circular vibrating screen, ball mill, classifier, magnetic separator, concentrator, filter separator, drying machine and other equipment.

    Get Price
  • The Process Kaunisiron

    After secondary grinding, the ore is pumped on to the second stage of magnetic separation. From magnetic separation, the concentrate is then pumped to a concentrate tank to be further pumped to a compressed air filter. There it dries and becomes finished concentrate. Logistics When the process is completed, the ore is loaded onto trucks to be ...

    Get Price
  • Factors Affecting the Upgrading of a Nickeliferous ...

    the magnetite content of the concentrate. Thirdly, a twostage process involving reduction roasting and thermal growth in either a tube furnace or a rotary kiln furnace, followed by magnetic separation, was investigated. Thermogravimetric, differential thermal and mineral liberation analyses techniques were utilized to further understand the process.

    Get Price
  • Characterization of Sangan lowgrade iron ore and its ...

    The Davis Tube tests in three different magnetic field intensities of 1420, 2340 and 3800 Gauss confirmed the good amenability of the lowgrade iron ore to lowintensity magnetic separation. A concentrate assaying % Fe with a yield of % was produced by DLIMS.

    Get Price
  • The Desulfurization of Magnetite Ore by Flotation with a ...

    is a kind of common sulfide which exists in magnetite ore as an associated mineral with little industrial value. The contamination of sulfur emanating from pyrrhotite in magnetite concentrates has been a problem in iron ore smelting process. However, the magnetic separation of pyrrhotite from magnetite

    Get Price
  • Magnetic separators Metso

    separators for iron ore processing Magnetic separation theory The magnetic separation process is complex in many respects due to varying magnetic susceptibility of the material and its particle size. The magnetic force on a specific particle depends upon these factors as well as other properties, such as magnetic flux and magnetic field gradient, created by the magnetic separator.

    Get Price
  • How to calculate grade and recovery concentrate?Ore ...

    For a magnetic separation of iron ore beneficiation process factory, the known ore grade α =35. 86%Fe, the concentrate grade β=6089% Fe, tailings grade V =8. 76% Fe, the yield of iron concentrate γk:

    Get Price
  • Hematite Magnetic, Magnetic Separation, Magnetic ...

    Magnetic separation process is widely used in most kinds of iron ores, like hematite magnetic. Xinhai develops several magnetic separation equipment, such as magnetic drum.

    Get Price
  • Experimental Study on Magnetic Separation of Oolitic ...

    After first magnetic separation, the preliminary concentrates was reground to fineness of 87% (500 mesh). Under the optimal experiment conditions, an iron ore concentrate with grade of % and a good recovery of % was obtained.

    Get Price