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Download Citation | High intensity magnetic separation studies of low grade chromium ore | Studies were undertaken to beneficiate a low grade indigenous chromium ore of Muslim Bagh, Balochistan ...
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Studies were undertaken to beneficiate a low grade indigenous chromium ore of Muslim Bagh, Balochistan, Pakistan using high intensity dry magnetic separation (HIDMS) technique. The different parameters of magnetic separation such as intensity of the magnetic field, particle size of the feed, feed rate and number of operations were optimized to obtain maximum grade and recovery of …
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Mar 20, 2021 Bhatti, M.A., Kazmi, K.R. and Anwar, M.S. (2008) High Intensity Magnetic Separation Studies of Low Grade Chromium Ore. Journal—Chemical Society of Pakistan, 30, 42. has been cited by the following article: TITLE: Evaluation of Chromite Recovery from Shaking Table Tailings by Magnetic Separation Method
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High Intensity Magnetic Separation Studies Of Low Grade Chromite Ore High Intensity Magnetic Separation Studies Of Low Grade Chromite Ore We believes the value of brand, which originates from not only excellent products and solutions, but also considerate pre-sales & after-sales technical services.
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Jul 01, 2021 Alteration of crystalline structure and magnetic property of these minerals enables separation of low-grade ore by using magnetic separation. It is found that low-grade ferruginous chromite ore can be upgraded by reduction roasting, and 61.2% Cr 2 O 3 was recovered with a chromium-to-iron ratio of 1.93 from a feed chromium-to-iron ratio of 1.01.
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magnetic separation features will be described. Dry Magnetic Separation of Nepheline Syenite: The first equipment used in magnetic separation of nepheline syenite is a low-intensity, large-diameter drum separator to remove highly magnetic minerals -primarily magnetite or …
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The Wet High Intensity Magnetic Separator (WHIMS) can be used in a wide variety of applications throughout the mining and metals industry. Some typical applications are: Ferrous metal ore: Recovery of hematite, limonite, siderite, chromite, manganese ores, etc.
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Sep 01, 2014 A dry induced roll magnetic separator is simple and efficient for upgrading the magnetic mineral and materials. Weak paramagnetic minerals can be effectively removed from an ore by maintaining the field intensity up to ~ 2.5 T , .IRMS as shown in the Fig. 1 consists of a horse-shoe magnet faced by an iron bridge bar and of two rolls, one opposite each pole.
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separation of chromite by magnetic separation will be easier and will occur at a higher magnetic strength as compared to the ferruginous ores [8]. Further studies need to target recovery of these fine chromite using high intensity magnetic separation. Mg Si Al Cr Fe Ca
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ABSTRACT Mineral and morphological characteristics of chromite ore strongly affect the separation efficiency while upgrading the low-grade deposits. Usually, chromite ore enrichment is carried out by using gravity separation due to high-concentration criterion between chromite and other minerals. However, chromite ore from Sukinda region, India, is a typical ore body with high iron content in ...
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Chromite grade 48.18% Cr 2 O 3 from feed assaying 14.79% Cr 2 O 3 • Treated for low-grade chromite ore • Rejects were generated. zgen (2012) Magnetic separation process: 48% Cr 2 O 3 with a maximum Cr/Fe of 6.2 and the product can be used for ferrochrome production • Applicable for high Cr 2 O 3 containing Ore (38.84%) and not suitable ...
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The beneficiation studies revealed that, the product can be enriched to having Cr:Fe ratio of 2.31 and 3.35 by gravity concentration (wet shaking table) and h igh intensity magnetic separation (Induced Ro ll Magnetic Separator) respectively. So the high intensity magnetic separator (Induced Roll Magnetic Separator) was suggested for the quality ...
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high intensity magnetic separation studies of low grade chromite ore Mar 23, 2016 Also, effect of desliming of the low grade deposit prior to the dry magnetic separation is highlighted. Particle size distribution of Sukinda chromite ores.
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To treat a chromite ore with a high content of iron,a low intensity magnetic separation was introduced to recover magnetite,and a high intensity magnetic separation was adopted thereafter to reclaim chromite.The results indicate that magnetic field intensity is the main factor affecting separation index.For the ore with a head grade as 31.23% of Cr2O3 and 28.81% of TFe,a magnetite concentrate ...
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Jul 14, 2020 High-intensity magnetic separation technique was used by Tripathy et al. for improvement of the Cr/Fe ratio in the off-grade chromite ore from Sukinda, Odisha. Attempts have been made to upgrade the low-grade siliceous Cr-ore from the present deposit using gravity separation (Tabling) and wet high-intensity magnetic separation techniques (WHIMS) so as to make it …
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Jan 01, 2013 This present paper discusses both the dry and wet magnetic separation techniques used for processing of a low grade siliceous iron ore sample. 2. Materials and methods. About 500 kg of a low grade siliceous iron ore sample was crushed to below 10 mm size by using jaw crusher. The crushed sample was thoroughly mixed and subjected for sampling by coning and quartering technique to …
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Alteration of crystalline structure and magnetic property of these minerals enables separation of low-grade ore by using magnetic separation. It is found that low-grade ferruginous chromite ore ...
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Nov 22, 2014 The relation between the magnetic separation behavior and magnetic properties of a low-grade manganese ore was analyzed before and after treatment by direct reduction with coal. It was found that raw ore with an initial average grade of 10.39% Mn and consisting of diamagnetic and paramagnetic minerals can be concentrated by high-intensity magnetic separation to produce a …
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•Dry high intensity induced roll magnetic (IRM) separators ... an operation if a low-grade final tailing, or a clean marketable product, can be produced, since it alleviates ... Relevant case studies for the separation of ilmenite and chromite are then presented. The process
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Mar 04, 2015 The Cr:Fe ratio (chromium-to-iron mass ratio) of chromite affects the production of chrome-based ferroalloys. Although the literature contains numerous reports related to the magnetic separation of different minerals, limited work concerning the application of magnetic separation to fine chromite from the Sukinda region of India to enhance its Cr:Fe ratio has been reported. In the present ...
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13.5.2 High-Intensity Magnetic Separators. Weakly paramagnetic minerals can only be effectively recovered using high-intensity (B-fields of 2 T or greater) magnetic separators (Svoboda, 1994). Until the 1960s, high-intensity separation was confined solely to dry ore, having been used commercially since about 1908.
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The low chromium-to-iron ratio of chromite ores is an important issue in some chromite deposits. The value of the chromite ore is indeed dictated in the market by its iron, as well as its chromium content. In the present study, a chromite concentrate was reprocessed by gravity (spiral concentrator) and magnetic separation to enhance the chromium-to-iron ratio.
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