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Thereafter the oxidized ilmenite is magnetically highly susceptible and it is separated as the magnetics from the chromites. The ilmenite thus obtained contains 0.10 percent or less of Cr 2 O 3 content or about 20 percent of the original chromite content in the Richard's Bay primary ilmenite. With reference to
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2017-11-10 The introduction of centrifugal force in HGMS field improves separation selectivity. • The matrix rotation improves capture probability and recovery for magnetic particles. • Centrifugal HGMS achieves an improved separation performance for fine ilmenite. • Centrifugal HGMS presents a new method for separation of para-magnetic minerals.
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Purification of ilmenite from chromite impurities by a two step magnetic separation wherein magnetically susceptible chromite is magnetically removed, followed by an oxidizing roasting of the...
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2019-2-15 To effectively separate ilmenite from titanaugite by magnetic separation, the magnetic coating method was introduced to increase their magnetic difference. Sodium silicate depressant and sodium oleate collector were introduced to strengthen the selective coating behaviour of magnetite [
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2009-8-26 Low-intensity magnetic separators are utilized to recoverany remaining magnetite. The LIMS is followed by arougher stage of two SLon®-1500 magnetic separators. Athird SLon®-1500 magnetic separator is then applied torecover ilmenite in a cleaning stage.
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Initially ilmenite was recovered using magnetic separation. The nonmagnetic fraction is stage conditioning at 60% solids with HF and alpha sulfostereic acid followed by pulp dilution to 25% solids and zircon + alumosilicate bulk concentrate was recovered while silica reported to the tailing. The concentrate was scrubbed with NaOH to remove residual collectors followed by conditioning with dextrin and amine
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Purification of ilmenite from chromite impurities by a two step magnetic separation wherein magnetically susceptible chromite is magnetically removed, followed by an oxidizing roasting of the ilmenite and a subsequent magnetic separation of ilmenite from the remaining chromite impurities to obtain an ilmenite with 1% or less chromite.
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Ilmenite, hematite, and a rutile concentrate (LR Rutile) produced from the oil sands tailings (containing mainly leucoxene and rutile), were used in the study. It was observed that the magnetic susceptibility of ilmenite increased after either oxidation or reduction roasting at
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2020-4-1 Magnetic separation of ilmenite from titanaugite was conducted by the selectively magnetic coating method in this study, and the mechanism of magnetite coating on ilmenite was investigated by calculating the interaction force. After magnetic coating, the recovery of TiO 2 in mixed mineral magnetic separation increased by 36%. Scanning electron microscopy (SEM) confirmed that magnetite preferentially coated onto the ilmenite
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Ilmenite Magnetic Separator. Dec 25, 2019. kaolin clay magnet requirements PTMS MAGNETIC SEPARATOR what is magnetic separation? ...
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2020-4-13 Upgrading ilmenite by an oxidation-magnetic separation, Upgrading ilmenite by an oxidation-magnetic separation-pressure leaching process S 1Liu1,2,3,*, K 1,3Zhu, J Xiang1,3,, the methods for commercial production of TiO 2, mix the acid and ilmenite ore A water condenser was used to reduce the losses of water and. Get Info. Get Price
Read MorePurification of ilmenite from chromite impurities by a two step magnetic separation wherein magnetically susceptible chromite is magnetically removed, followed by an oxidizing roasting of the ilmenite and a subsequent magnetic separation of ilmenite from the remaining chromite impurities to obtain an ilmenite with 1% or less chromite.
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Corpus ID: 12826711. A discussion of magnetic separation techniques for concentrating ilmenite and chromite ores @inproceedings{Dobbins2007ADO, title={A discussion of magnetic separation techniques for concentrating ilmenite and chromite ores}, author={M. Dobbins and J.
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ilmenite magnetic separation separation magnetic Prior art date 1974-10-10 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired Application number AU84558/75A Other versions AU502866B2 (en Inventor
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2020-8-14 Separation of ilmenite from titanaugite was investigated by magnetic coating. By enlarging magnetic difference between ilmenite and titanaugite, ilmenite was
Read More2020-1-4 China is rich in titanium resources, which accounts for more than 35% of the world. But, until today, the industrial TiO 2 recovery for ilmenite ore is slightly higher than 30% in the current pulsating high-gradient magnetic separation-flotation process (HGMS) so that a large amount of ilmenite value were lost in tailings. A centrifugal HGMS (CHGMS) method was introduced and a novel HGMS ...
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2009-8-26 concentrate by gravity separation methods and low intensity magnetic separation. An ilmenite concentrate is produced from the heavy minerals concentrate by wet high intensity magnetic separation7. Nell and Den Hoed6 found that the bulk of the chromium in the ilmenite concentrate is present in spinel of Kinetics of chromite vs. ilmenite
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In the first magnetic separation a weak magnet is used to separate magnetite while in the second magnetic separation a high-intensity magnet is used to separate ilmenite. Figure 3: A sample of massive ilmenite of Quebec. Figure 4: Black beach sands as in India. Early methods for pigment production Sulfuric acid method
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Electron Diffraction Scans (EDS) confirmed the ratio of Fe to Ti in the ilmenite grains. Dry magnetic separation in a Frantz Isodynamic Separator was found to be effective only at sizes finer than 150 microns (100 US mesh) and more so at 200 mesh (74 microns). In each case, dedusting of the sample to remove -400 mesh (-0.037 microns) fines was ...
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Purification of ilmenite from chromite impurities by a two step magnetic separation wherein magnetically susceptible chromite is magnetically removed, followed by an oxidizing roasting of the ilmenite and a subsequent magnetic separation of ilmenite from the remaining chromite impurities to obtain an ilmenite with 1% or less chromite.
Read MoreCorpus ID: 12826711. A discussion of magnetic separation techniques for concentrating ilmenite and chromite ores @inproceedings{Dobbins2007ADO, title={A discussion of magnetic separation techniques for concentrating ilmenite and chromite ores}, author={M. Dobbins and J.
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2018-8-9 most efficient technique is the magnetic separation [18,19]. For this reason, it was necessary to tune up a magnetic separation process, depending on two parameters, intensity (in view of the magnetic susceptibility of each mineral) and angles in the incline chute in the separator (side tilt and forward slope). The minerals
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2020-2-28 New ilmenite magnetic magnetic badge holders separator made of high quality ferrite material or composite made with rare earth magnets, the magnetic roller surface average magnetic induction intensity of 100 ~ 600mT. The user Needs, providing downstream, semi-counter, and a variety of different tables and strong magnetic separation.
Read More2009-8-26 concentrate by gravity separation methods and low intensity magnetic separation. An ilmenite concentrate is produced from the heavy minerals concentrate by wet high intensity magnetic separation7. Nell and Den Hoed6 found that the bulk of the chromium in the ilmenite concentrate is present in spinel of Kinetics of chromite vs. ilmenite
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MAGNETIC PHASES IN HEMO-ILMENITE L07306 2of5. spectra of AL23D-1 with onedoublet duetoFe 2+ in ilmenite and asextet due to Fe3+-hematitedoes not provide acomplete fit to the central part of the spectrum since there is an extra absorption at around 0.1 mm/s, which has not been coveredhereby. Dyar et al. [2004] suggested that a
Read More2013-12-24 Further, the samples were subjected to magnetic separation using Permroll (14,000 Gauss) to separate magnetic and non-magnetic fractions and the representative weight percentages were recorded. The magnetic fraction was subjected to Carpco high tension separator (laboratory model, drum type) to recover conducting minerals (ilmenite and rutile).
Read More2020-2-28 MAG magnetic separation,drawer magnets,magnetic grate separator MAG SPRING NINGBO ZHENHAI IE LTD is a leading specialist in dependable and environmental-friendly designing, manufacturing, exporting and importing for various industrial magnets and magnetic products that provide pioneering magnetic solutions for global customers.
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2020-4-23 titanium and chromium from a raw ilmenite concentrate by magnetic separation after modifying magnetic properties [J]. Journal of hazardous materials, 2017, 325: 251-260. （ 2 ） Lv Jin-fang, Tong Xiong, Zheng Yong-xing, et al. Study on the surface sulfidization
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2019-10-28 There are two key factors that affect the magnetic separation method: one is the magnetic difference among minerals, another is the magnetic field distribution of magnetic separator. 1. Effect of magnetic differences among minerals. According to the magnetic differences, the minerals can be classified into strong magnetic minerals, weak ...
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الصين -تشنغ تشو -المنطقة الوطنية للتنمية الصناعية للتكنولوجيا المتطورة، جادة العلوم رقم 169.
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