Recovery of valuable elements from pyrite pyrolysis slag using magnetic …
Semantic Scholar extracted view of "Recovery of valuable elements from pyrite pyrolysis slag using magnetic separation-flotation technique" by Run-qing Liu et al.
To Win A High Admiration Magnetic Separator Pyrite With And
On Improving the Separation Efficiency of a Wet High …
On Improving the Separation Efficiency of a Wet High Gradient Magnetic Separator for the Removal of Pyrite from Egyptian Coal Suzan S. Ibrahima, Ali Q Selimb, Mohsen M. Farahat a, Ahmed M. El ...
Selective adsorption behavior and mechanism of a high …
Therefore, it is meaningful to develop cheap and high-performance depressants with high selectivity for separation of pyrite from talcum. As the excellent biodegradability and high depressant performance, the polysaccharides were widely used in the differential flotation of sulfide minerals [6, 24]. Galactomannan (GM) is a natural ...
Characterising the effect of microwave radiation on the magnetic …
The effect of microwave radiation on the magnetic properties of pyrite was investigated. The microwave source was a conventional multimodal reactor, with a frequency of 2.45 GHz and a maximum ...
Effect of microwave heating on magnetic separation of pyrite
The performance of high-gradient magnetic separation (HGMS) in removing mineral pyrite from coal has been improved by increasing the pyrite's …
High gradient magnetic separation in centrifugal field
Semantic Scholar extracted view of "High gradient magnetic separation in centrifugal field" by Luzheng Chen et al.
Recovery of valuable elements from pyrite pyrolysis slag using magnetic …
Request PDF | Recovery of valuable elements from pyrite pyrolysis slag using magnetic separation-flotation technique | Pyrite concentrate is a common by-product obtained after Pb and Zn sulfide ...
Effect of microwave treatment on the flotation and magnetic separation …
The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals, namely, pyrite, chalcopyrite, galena and sphalerite, were studied. Pure mineral samples were prepared in -425+212-μm, -212+106-μm and -106+38-μm size fractions. Microflotation and magnetic separation tests were …
Magnetic Separation of Pyrite
The ability of the induced roll magnetic separator to beneficiate pulverized coal to high magnetic purity, makes it a useful tool in evaluating the increase in magnetic susceptibility of pyrite embedded in coal due to pulverization by various techniques.
Recovery of Iron from Pyrite Cinder with …
Thus, this paper uses sodium salt additive and reduction–magnetic separation method to investigate the effect of sodium salt on the separation of iron …
Optimizing the Performance of the Wet High …
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% total sulfur). Optimization of the process...
Coal pyrite microwave magnetic strengthening and electromagnetic
Here, a novel method of fine coal desulfurization was investigated using magnetic separation technology and increasing the magnetic susceptibility of pyrite to remove from pyrite by microwave radiation. The coal samples were obtained from the Ordos region of Inner Mongolia for separation experiments.
Maceral and pyrite partitioning through high-gradient magnetic …
The −0.5 inch (−1.27 cm) and −28 mesh (−600 μm) fractions of the run-of-mine coals from seven western Kentucky preparation plants were crushed to 90 percent passing 200 mesh (75 μm) and processed through high …
Recycling of iron from red mud by magnetic separation …
Semantic Scholar extracted view of "Recycling of iron from red mud by magnetic separation after co-roasting with pyrite" by Yanyan Liu et al.
Microwave heating of coal for enhanced magnetic removal of pyrite …
The performance of high-gradient magnetic separation (HGMS) in removing mineral pyrite from coal has been improved by increasing the pyrite's magnetization through selective microwave heating. … Expand
Arsenopyrite removal from pyrite concentrate using pulsating high …
Key takeaway: 'Pulsating high gradient magnetic separation effectively removes arsenopyrite from pyrite concentrate, improving sulfur grade and reducing environmental problems in sulfur acid production.'
Formation of pyrite in the process of fine coal …
Formation of pyrite in the process of fine coal desulfurization by microwave enhanced magnetic separation. Zhenxing Zhang a Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, China University of Mining & Technology, Xuzhou, Jiangsu, China; ...
Removal of Iron from Pyrite-Rich Coal Refuse by …
allurgical process by calcination followed by magnetic separation. The 2.20 specific gravity sink fraction of Baker coal seam coarse refuse was pulverized to finer than 180 m, calcined at various temperatures, and separated into magnetic and non-magnetic fractions using a wet high-intensity magnetic separator at different field …
Recovery of valuable elements from pyrite pyrolysis slag using magnetic …
The research on the combined use of magnetic separation and flotation to treat pyrolysis slag under different grinding fineness was explored, using two processes: first magnetic separation followed by flotation (Fig. 9 a) and first flotation followed by magnetic separation (Fig. 9 b). Flotation uses sodium humate as pyrite inhibitor and ...
On Improving the Separation Efficiency of a Wet High …
Results showed that, at the optimum separation conditions, i.e., 10 l/h feeding rate, 5% pulp density, 2200 Gauss, and 0.6% canister loading, a coal concentrate assaying …
Removal of Iron from Pyrite-Rich Coal Refuse by Calcination …
Removal of Iron from Pyrite-Rich Coal Refuse by Calcination and Magnetic Separation for Hydrometallurgical Extraction of Rare Earth Elements
Effect of microwave treatment on the flotation and magnetic separation …
The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals, namely, pyrite, chalcopyrite, galena and sphalerite, were studied.
Effect of microwave treatment on the flotation and magnetic separation …
The effects of microwave treatment are discussed based on the result of microflotation and magnetic separation tests. The results revealed that pyrite, chalcopyrite and galena were heated very quickly and that their surface temperatures reached -700 to 900°C while the temperature of sphalerite reached only ≈130°C.
MineralMate: A standalone MATLAB-based aide for the magnetic separation …
MineralMate is a standalone MATLAB-based program designed to optimize the workflow associated with the magnetic separation of minerals. For nearly every bulk geochemical analysis some amount of mineral separation must occur, and the use of an electromagnetic separator is ubiquitous and considered as standard practice in many …
Recovery of iron from pyrite cinder by suspension …
Recovery of iron from pyrite cinder by suspension magnetization roasting-magnetic separation method: Process optimization and mechanism study
Maceral and pyrite partitioning through high-gradient magnetic …
Fingerprint Dive into the research topics of 'Maceral and pyrite partitioning through high-gradient magnetic separation of selected western kentucky coals'.
Coal pyrite microwave magnetic strengthening and electromagnetic
The magnetic strengthening process with microwave energy of fine coal was studied using a variety of methods: magnetic strengthening of fine coal, electromagnetic response characteristics of coal pyrite, energy storage concept, magnetic strengthening mechanism of pyrite under the microwave effect, and inorganic mineral …
Magnetic Separation | 11 | Advanced Coal Preparation and …
Although the magnetic difference between pyrite and coal is small, it is still large enough that with appropriately designed high-intensity magnetic separators that they can be …
Recovery of Iron from Pyrite Cinder with …
The porosity of pyrite cinder mixture is high, which is in favor of reduction. The pyrite cinder mixture ... and magnetic separation. Firstly, the pyrite cinder mixture and sodium sulfate solution were mixed and compacted into briquettes (U10 9 15 mm) with pressure of 10 MPa. Then, the bri-quettes were dried in the oven at 105 C for 4 h.
Recovery of iron from waste slag of pyrite processing using …
This paper is mainly focused on the results of reduction roasting–magnetic separation. À chaque année, on produit une quantité importante de déchets de scorie provenant du procédé de grillage de la pyrite.
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