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Separation of Magnetic Blende from Pyrite . At The Yak Mill, Leadville, Colorado, International separators are employed to separate magnetic blende. The ores treated at this …
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Pyrite cinder (PyC) containing polymetallics is difficult to use due to the low grade of metals and complex mineral phase composition, the low reutilized rate of which causes the …
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Liu, Recovery of valuable elements from pyrite pyrolysis slag using magnetic separation-flotation technique, Sep. Purif. Technol., № 299 DOI: 10.1016/j.seppur.2022.121772 Liu, Technology of …
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The optimal magnetizing roasting–magnetic separation process conditions were 40% blast furnace sludge: 60% pyrite cinder (by weight), roasting temperature 750 °C, …
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A magnetic separation test of fine-grained quartz and magnetite mixed ore was conducted using an XCGS74-φ50 magnetic separation tube, with a water supply rate of 120 mL/s and a flow …
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Herein, calcination in a mild oxidizing atmosphere was implemented to enhance the magnetic properties of pyrite for subsequent magnetic separation. The sample was calcined at …
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High-gradient magnetic separation technology is an effective physical desulfurization method, and can handle fine particles of paramagnetic minerals. ... Effect of …
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Previous studies investigated the magnetic separation coupled to pyrite heating to enhance pyrite magnetic susceptibility and remove pyrite from coal ore (e.g. Bluhm et al., …
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The microwave treated pyrite samples of −420 μm fraction were subjected to magnetic separation at magnetic field intensities of 0.1, 0.3 and 0.5 T. It was found that pyrite …
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In the flotation separation of chalcopyrite and pyrite, the commonly used high-lime process often causes problems such as losses of precious metals, blockage in pipelines and …
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Magnetic separation was performed on the roasted residue to recover Fe, and the obtained concentrate had an Fe content of 54.20%. Abstract In this paper, pyrite is …
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Arsenopyrite removal from pyrite concentrate using pulsating high gradient magnetic separation. F. Ye Jintie Liu T. Xiong M. Xie
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The throughput of pyrite extraction from coal using the conventional magnetic separation method can be effectively improved by increasing the magnetic susceptibility of …
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The experimental results show that under weak magnetic conditions (magnetic field strength is less than 400 Gs), magnetic separation can only recover a small part of strong …
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Microwave energy was used to strengthen the magnetic properties of coal pyrite, leading to high-gradient magnetic separation. The magnetic desulfurization of −0.5 mm coal by …
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Pulsating high gradient magnetic separation (PHGMS) was innovatively used to upgrade an unqualified pyrite concentrate with arsenic content reaching as high as 3.49%. The …
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Magnetic separation technology plays an important role in upgrading such low-grade iron ores, because the magnetic separation process possesses the combined …
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Pyrite cinder (PyC) is an iron-enriched tailing.Suspension magnetization roasting(SMR) technology can convert hematite into magnetite, the magnetic properties of the …
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Fig. 8 (a) shows that very few magnetic pyrite particles are adsorbed to the cone tip at 25 s and that a large number of magnetic particles have been captured by the magnetic …
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The order of magnetism in these coal products is as follows: Pyrrhotite > Troilite > pyrite. In addition, the specific magnetization of fine coal first increases and then decreases. With …
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A recycling process of iron from red mud by magnetic separation is proposed, in which iron oxide (Fe 2 O 3) in red mud transforms to magnetite (Fe 3 O 4) by anaerobic co …
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Magnetic separation equipment is widely used in the separation of magnetic minerals. Low-intensity magnetic separator is mainly used for the separation of minerals with …
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This study presents a new technique that uses high-temperature chloridizing -reduction-magnetic separation to recover iron from pyrite cinder containing non-ferrous metals. The effects of the …
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The throughput of pyrite extraction from coal using the conventional magnetic separation method can be effectively improved by increasing the magnetic susceptibility of pyrite.
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The electrostatic separation of pyrite from coal using corona roll separator was conducted on Moira Pottery coal, ... studied the microwave pretreatment of coal prior to …
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Pyrite (FeS2, sp. gr. 4.8 to 5.2) is almost nonmagnetic; in some specimens it has been reported as diamagnetic, and in others as possessing a feeble paramagnetism; it is not attracted by the fields of the most powerful …
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temperatures, and separated into magnetic and non-magnetic fractions using a wet high-intensity magnetic separator at different field strengths. The untreated feed, calcined products, and …
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In the metallurgical extraction of rare earth elements (REEs), the ratio of contaminant ions to REEs in the leachate dictates the cost and operational efficiency of the …
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Keywords: Recovery of iron, Waste slag of pyrite processing, Reduction roasting, Magnetic separation Introduction At present time, a major process for the production of
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4 MAGNETIC SEPARATION OF SULPHIDE MINERALS range of variation in susceptibility demon- strated by the various sulphides. COPPER-FLOTATION PLANTS Macuchi, Ecuador …
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