A comparative study of the thermal decomposition of pyrite
201931;Pyrite is an earth-abundant mineral that is usually found associated with other sulfide minerals, such as chalcopyrite, arsenopyrite, and galena, in geological deposits [1].It is
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A novel high-sulfur fine coal clean desulfurization pretreatment
1120;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
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Selective separation of chalcopyrite from pyrite using an
531;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
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Enhanced magnetic separation of pyrite from coal after microwave
Abstract: The objective of this research was to improve the magnetic separation of coal and pyrite by enhancing the magnetic susceptibility of pyrite in run-of-mine coal through the use of
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Magnetic separations: From steel plants to biotechnology
2009515;Magnetic separation of pyrite (FeS 2) from coal for desulfurization is also a common process (Maxwell and Kelland, 1978). The weakly magnetic nature of pyrite,
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A review of flotation and selective separation of pyrrhotite: A
71;Therefore, flotation is commonly used instead of magnetic separation to achieve the separation of pyrrhotite [15]. To date, many papers on pyrrhotite flotation have been
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Arsenopyrite removal from pyrite concentrate using pulsating
91;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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The effect of heat treatment on the magnetic properties of pyrite
200881;The magnetic separation results indicate that an enhancement in yield by around 15–20% by weight is possible when the ore is heat-treated at 500–800 °C. 1983; Hise et al.,
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Magnetic Separation
Magnetic separation is a process where a contaminant is first attached onto a magnetic carrier material (e.g., magnetite), and subsequently, the contaminant-laden carrier is separated under
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Desulfurization mechanism of high-sulfur coal by heating reduced
1010;Then, magnetic separation technology can efficiently remove magnetic pyrite from coal (Zhang et al., a, Zhang et al., b). Although magnetic separation
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The effect of heat treatment on the magnetic properties of pyrite
200881;The magnetic separation results indicate that an enhancement in yield by around 15–20% by weight is possible when the ore is heat-treated at 500–800 °C. 1983; Hise et al.,
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(PDF) Recovery of iron from waste slag of pyrite processing using
201341;Although, sulfide mineral, such as pyrite and pyrrhotite, was considered as the less important iron ore (Bett and Maranga 2012; Muwanguzi et al. 2012), Zhang et al. (2013)
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Selective separation of chalcopyrite from pyrite using an
531;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
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Optimizing the Performance of the Wet High
201631;PDF | Wet high gradient magnetic separation WHGMS of an Egyptian coal sample was carried out to minimize its pyritic sulfur content reaching 1.60% (2.9%... | Find, read and cite all the research
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Magnetic Fluid Separation
514;Magnetic fluid separation uses an external magnetic field and magnetoelectric field to make the separation medium “heavier,” resulting in the greater manganese ore, gold
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Mechanism analysis of enhanced desulfurization of pulverized coal
20241130;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
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Desulfurization mechanism of high-sulfur coal by heating reduced
1010;Then, magnetic separation technology can efficiently remove magnetic pyrite from coal (Zhang et al., a, Zhang et al., b). Although magnetic separation
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Coal pyrite microwave magnetic strengthening and electromagnetic
20171110;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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Oxidation of pyrite in coal to magnetite
198451;LOW-FIELD MAGNETIC SEPARATION Although the pyrite is only partially converted to mag- netite (Table 2, column 8), the magnetization of Fe304 is sufficiently large
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Effect of microwave heating on magnetic separation of pyrite
DOI: 10.1016/S0927-7757(03)00362-5 Corpus ID: 98122297; Effect of microwave heating on magnetic separation of pyrite @article{Uslu2003EffectOM, title={Effect of microwave heating
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Clean Coal Desulfurization Pretreatment: Microwave Magnetic Separation
The throughput of pyrite extraction from coal using the conventional magnetic separation method can be effectively improved by increasing the magnetic susceptibility of pyrite. The
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Oxidation of pyrite in coal to magnetite
198451;LOW-FIELD MAGNETIC SEPARATION Although the pyrite is only partially converted to mag- netite (Table 2, column 8), the magnetization of Fe304 is sufficiently large
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Effect of microwave heating on magnetic separation of pyrite
2003915;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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Is Pyrite Magnetic? (+ Answers To Other Common Pyrite Questions)
No, pyrite is not magnetic. This is confusing to many at first, because they know that pyrite is an iron sulfide. And iron is magnetic. In this article we’ll explain why it is that pyrite is not
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DESULFURIZATION OF IRON ORE CONCENTRATE USING A
The magnetic concentrate is produced by crushing, comminution and Low-Intensity Magnetic Separation (LIMS). Approximately 70 % of the product is obtained using dry magnetic
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Recycling of iron from red mud by magnetic separation after co-roasting
2014720;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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Study on Separation of Iron from Waste Slag of Pyrite Processing
2014114;The most advantageous option for industrial trial is roasting of the waste slag under reducing condition followed by magnetic separation selected from various options for
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Usine de concassage de granit de 500 TPH à La Mecque