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This paper reports a method that is effective in separating quartz and feldspar. A small amount of fine grained iron powder was used to make feldspar as magnetic mineral and …
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Our results demonstrate that magnetism of inclusions can reveal additional information of mineral provenance, and chemical separation is an essential approach to reveal …
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High-field AMS allows for separation of the magnetic anisotropy carried by the feldspar lattice from that carried by ferromagnetic inclusions. It was determined on a torque magnetometer in six fields between 1.0 and 1.5 T at room temperature and 77 K. ... Thus, the magnetic anisotropy of feldspar is a factor of 6 with respect to hornblende, 4 ...
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This paper describes the possibility of producing various grade feldspar concentrates by magnetic separation and flotation. A representative sample was obtained from the Manisa–Demirci region.
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A multi-proxy approach was used to quantify the purity of the samples. The SEM images were taken after the first step of isodynamic magnetic separation followed by the leaching with dilute acid mixture HF [2%] + HNO 3 [2%]. The isodynamic magnetic separation helps in eliminating the ferromagnetic and paramagnetic minerals and as well as some feldspar (Porat, …
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These rocks not only contain large amounts of feldspars, but also of mafic minerals. The paper demonstrates the use of rare-earth magnetic separation (REMS) in dry processing …
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Raw feldspar ore information: contains iron, calcium, mica, and other impurities, so the feldspar ore dressing process including magnetic separation, flotation or gravity separation, so as to remove iron, mica and other impurities to obtain high-grade feldspar. 1. Crushing section: Utilize coarse jaw crusher, fine jaw crusher and vibrating screen to form a closed crushing circuit, so …
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Download Citation | Removing iron by magnetic separation from a potash feldspar ore | A new permanent magnetic separator was introduced to treat the ores with the characteristics of weak magnetic ...
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magnetic separation using a Frantz LB1 with a high current on the magnet proved suitable for removing the chert as well as most feldspars, insoluble dolomite and the majority of heavy …
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In accordance with the content of impurities in the feldspar minerals and disseminated features of gangue minerals, the technology flowsheet of ore dressing of feldspar is crushing, grinding, de-sliming and classification, magnetic separation, and flotation.
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In this study, feldspar ore was successfully enriched using a two-stage process. Initially, dry magnetic separation was employed to remove iron oxide, followed by cationic flotation to eliminate gangue minerals containing free silica. A feed sample with a size fraction of (− 0.25 + 0.053) mm, pre-treated by attrition scrubbing and dry high-intensity magnetic separation …
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The flotation process and magnetic separation are the most common methods for feldspar beneficiation containing approximately 0.4% Fe2O3 and 0.04% TiO2.
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In order to improve the purity or the whiteness of feldspar, flotation [3,4,5] and magnetic separation are typically used to remove associated minerals (such as quartz, and dark-colored minerals rich in iron) from feldspar [6,7,8]. Traditionally, there are two main flotation separation processes to remove quartz from feldspar.
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magnetic separation. Dry Magnetic Separation of Iron Ore: There are many inherent advantages in processes that utilize dry magnetic separation to beneficiate iron ore. Wet concentration of magnetite ore, in comparison, re- quires 500 to 1000 gal of water per ton of concen- trate produced. This means extensive use of water
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After the production of dry electromagnetic drum magnetic separators by the United States and Sweden in the late 1800s, magnetic separation methods were used in industry to …
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netic separation of iron ore have been in the field of dry processing, where a major revolution in iron ore beneficiation may be taking place. But now consider an area of magnetic separation …
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A magnetic separation technique is required for feldspar purification since non-magnetic feldspar accompanies some worthless magnetic minerals such as rutile, hematite, pyrite, tourmaline, and white mica [22-25]. in general, the gangue minerals in feldspar appear to have weak magnetic characteristics; just using a high-intensity magnetic ...
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A new permanent magnetic separator was introduced to treat the ores with the characteristics of weak magnetic iron minerals and in a fine size range. The new machine was applied to the iron removal from potash feldspar. The effects of the magnetic field intensity, pulp density and grinding fineness on the iron removal were investigated. The optimized operation …
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A 12.000 gauss magnetic separator was used to remove some magnetic elements from ground feldspar. All the specimens, magnetic and non-magnetic, were heated at 1.473°K for 7h to ascertain the ...
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The best results were achieved with a combination of high-intensity wet magnetic separation and flotation. A feldspar concentrate containing 16.28% Al2O3, 10.75% K2O,2.84% Na2O,69.97% SiO2 and 0. ...
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Large reserves of feldspar ore exist in the Aegean region of Turkey. The main colored impurities in these ores are iron- and titanium-bearing minerals such as anatase, rutile, sphene and ilmenite. In this study, a potassium feldspar ore containing mainly quartz and coloring impurities was subjected to beneficiation tests involving magnetic-separation and flotation, …
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Dry magnetic separation followed by flotation can get the best separation effect, but the dry magnetic separation need dehydration and drying process, the cost is higher, so wet magnetic separation followed by flotation process is more widely used. (2) Stripping-strong magnetic separation process combined flow
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In this study, a potassium feldspar are containing mainly quartz and coloring impurities was subjected to beneficiation tests involving magnetic separation and flotation, which were …
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Feldspars are the most abundant rock-forming minerals in the Earth's crust, but their magnetic properties have not been rigorously studied. This work focuses on the intrinsic …
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