flotation process of chromite ore

2020-07-28T23:07:16+00:00
  • Flotation of Chromite Ore

    Jun 05, 2017  The general flotation method was developed by Havens. Deslimed chromite ore was floated at pH 1.5 to 5.5 using a long-chain fatty-acid collector and soluble fluoride ions as a silicate depressant. The Havens method was later modified slightly to permit flotation

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  • (PDF) Flotation of chromite and serpentine

    Chromite is an important strategic mineral usually associated with other gangue minerals, mainly silicates. A good knowledge of the flotation behaviour of chromite and the establishment of...

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  • FLOTATION BEHAVIOR OF SUDANESE CHROMITE ORES

    to the aqueous treatment medium containing the chromite ore. A typical product obtained by such a process, from an ore containing 25.2% Cr 2O3, is a recleaner concentrate containing 41.0% Cr 2O3 and 2.5% SiO 2 with a chromium recovery of 77.0%. In the second technique [U.S. Pat. No. 3,473,656], chromite ore flotation is

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  • Flotation of chromite and serpentine - ScienceDirect

    Jun 15, 2007  A beneficiation process of chromite ore was published, for the flotation of olivine (i.e. magnesium iron orthosilicate) by dodecylamine ; with this, however, the chromite concentrate appeared to have a low grade due to serpentine, which was following chromite and did not float.

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  • The flotation behaviour of chromite with respect to the ...

    Oct 01, 1999  Flotation behaviour of chromite with respect to beneficiation of UG2 ore 1179 Air was introduced into the cell as the flotation gas via a syringe needle. The gas bubbles rose through the cell, passing through the pulp where collision between bubbles and mineral particles occurred.

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  • Five Chrome Extraction Process to Teach you the Chromite ...

    Sep 25, 2020  Flotation process At present, we can use the flotation process to recover the chromite with fine grain size (-100um) after the gravity separation. The results show that Mg2+ and Ca2+ can inhibit the chromium ore, and the inhibition of Mg2+ is influenced by the type of anions in the slurry.

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  • flotation of chromite ore

    Flotation process At present, we can use the flotation process to recover the chromite with fine grain size (-100um) after the gravity separation. The results show that Mg2+ and Ca2+ can inhibit the chromium ore, and the inhibition of Mg2+ is influenced by the type of anions in the slurry.

  • Get Price
  • FLOTATION BEHAVIOR OF SUDANESE CHROMITE ORES

    to the aqueous treatment medium containing the chromite ore. A typical product obtained by such a process, from an ore containing 25.2% Cr 2O3, is a recleaner concentrate containing 41.0% Cr 2O3 and 2.5% SiO 2 with a chromium recovery of 77.0%. In the second technique [U.S. Pat. No. 3,473,656], chromite ore flotation is

  • Get Price
  • Flotation of chromite and serpentine - ScienceDirect

    Jun 15, 2007  A beneficiation process of chromite ore was published, for the flotation of olivine (i.e. magnesium iron orthosilicate) by dodecylamine ; with this, however, the chromite concentrate appeared to have a low grade due to serpentine, which was following chromite and did not float.

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  • The flotation behaviour of chromite with respect to the ...

    Oct 01, 1999  This is problematic as chromite is a spinel mineral and forms species that are stable up to 2000. These stable species severely affect the efficiency of the smelting process (McKenzie, 1996). The maximum chromite content that can be tolerated in flotation concentrates reporting to a

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  • The Characterisation of a Two Stage Flotation Circuit ...

    CHROMITE ORE A Thesis submitted to the ... optimum cleaning circuits in the flotation of UG-2 ore, research needs to be done to quantify the entrainment phenomenon. 111 ACKNOWLEDGEMENTS ... 1. 4 Modelling of the flotation process 1.4.1 Empirical models 1.4.2 Probability models

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  • FLOTATION BEHAVIOR OF SUDANESE CHROMITE ORES

    Request PDF On May 1, 2011, A. A .S* Seifelnassr and others published FLOTATION BEHAVIOR OF SUDANESE CHROMITE ORES Find, read and cite all the research you need on ResearchGate

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  • Amine For Chromite Ores Processing By Froth Flotation

    flotation process of chromite ore - YouTube. Jun 17, 2013 ... Amine flotation of chromite from acidic pulps - Patent # . ... 1000tpd Copper Ore Froth Flotation Machine Process ...flotation

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  • Flotation of Chromite as Pre-Treatment of Olivine Before ...

    In all cases, extraction of chromite from low-chromite containing olivine is difficult, with modest enrichment ratios, even with GL30. The existence of mixed particles in the minerals fractions used has to be better characterized with respect to their behavior in flotation process for possible improvement of the flotation process.

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  • Froth flotation - Wikipedia

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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  • A Process Mineralogical Evaluation of Chromite at the ...

    A process mineralogical study based on three texturally and mineralogically different chromite-bearing ore types at the Nkomati nickel mine was undertaken, with focus on chromite. Chromite is a by-product of the Ni-Cu-Co-PGE ore at Nkomati Nickel mine. These being the PCMZ_MG (medium-grade Ni-Cu sulphide silicate ore with disseminated chromite), PCMZ_HG (high-grade Ni-Cu sulphide silicate ore ...

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  • Characterisation and Flotation of a Weathered Platinum ...

    Most mines process the UG2 ore from open pits and routinely suffers from low and erratic platinum group element (PGE) flotation recoveries. This is due to changes in mineralogy of the ore as a results of oxidation. ... “Effects of frother type and froth height on the flotation behaviour of chromite in UG2 ore, ...

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  • US2412217A - Froth flotation of chromite with fluoride ...

    chromite percent ore concentrate flotation Prior art date 1944-12-19 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 - Lifetime Application number US568908A Inventor Havens Richard

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  • Chromite beneficiation process

    Chromite beneficiation process design needs to be based on the nature of chromium ore and many factors to develop, under normal circumstances chromite ore beneficiation using re-election ...

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  • Chrome ore process - Yantai Jinpeng Mining equipment, ore ...

    Chrome ore process Gravity separation is the mainly process for chrome processing ,sometimes the chrome concentrate will be separated by low intensity magnetic separation or high-intensity magnetic separation for a second processing , that`s to improve the grade of the chrome .Several ores can use flotation or flocculation flotation process .

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  • flotation of chromite ore

    Flotation process At present, we can use the flotation process to recover the chromite with fine grain size (-100um) after the gravity separation. The results show that Mg2+ and Ca2+ can inhibit the chromium ore, and the inhibition of Mg2+ is influenced by the type of anions in the slurry.

  • Get Price
  • US2469422A - Selective flotation of chromite ores - Google ...

    US2469422A US514987A US51498743A US2469422A US 2469422 A US2469422 A US 2469422A US 514987 A US514987 A US 514987A US 51498743 A US51498743 A US 51498743A US 2469422 A US2469422 A US 2469422A Authority US United States Prior art keywords treatment concentrate pulp flotation froth Prior art date 1943-12-20 Legal status (The legal status is an assumption and is not a

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  • CA360278A - Chromite ore flotation - Google Patents

    ore flotation chromite ore chromite flotation Prior art date 1936-09-01 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 CA360278A Other languages French (fr) Inventor Weed Floyd

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  • US2412217A - Froth flotation of chromite with fluoride ...

    chromite percent ore concentrate flotation Prior art date 1944-12-19 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 - Lifetime Application number US568908A Inventor Havens Richard

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  • Chromite beneficiation process

    Chromite beneficiation process design needs to be based on the nature of chromium ore and many factors to develop, under normal circumstances chromite ore beneficiation using re-election ...

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  • Effects of frother type and froth height on the flotation ...

    About 70% of the UG2 reef consists of the gangue mineral chromite (FeO Cr2O3). In the processing of UG2 ore by flotation for the recovery of platinum group elements (PGEs) the presence of ...

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  • Chromite - an overview ScienceDirect Topics

    A typical technological process of chromite ores enrichment includes a series of operations (Lyakishev and Gasik, 1998): screening of the input ore, slurry rinsing-off, and heavy media separation.The slurries formed are subjected to wet screening, dehydration, filtration, and drying.

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  • Characterisation and Flotation of a Weathered Platinum ...

    Most mines process the UG2 ore from open pits and routinely suffers from low and erratic platinum group element (PGE) flotation recoveries. This is due to changes in mineralogy of the ore as a results of oxidation. ... “Effects of frother type and froth height on the flotation behaviour of chromite in UG2 ore, ...

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  • flotation chromite forth Prominer (Shanghai) Mining ...

    Amine For Chromite Ores Processing By Froth Flotation. The forth flotation, chromite ore recovery process of the present invention can be Patent US4362552 - Froth flotation of ores - Google Patents Dec 7, 1982 Beneficiation of metallic ores selected from the group of zinc, bismuth, of finely divided ore

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  • (PDF) Trithiocarbonates for PGM flotation

    improves the smelting process. Chromite is known to form. ... in the PGM flotation process. Investigation of the concentrate ... trithiocarbonates on the flotation of Merensky ore has been.

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  • The effect of copper sulphate addition on the recovery of ...

    UG2 ore from the Bushveld Complex is mined in South Africa for its Platinum Group Metal (PGM) content. Two of the main gangue minerals found in the ore are talc and chromite. The PGMs are separated from the ore by flotation. In this process unwanted minerals are also recovered. Talc is naturally hydrophobic and its flotation is depressed by

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  • Column flotation of Montana chromite ore

    The US Bureau of Mines compared column flotation using either fine or coarse bubbles with conventional flotation on a Montana chromite ore. On deslimed ore, fine-bubble column flotation produced a 44.7% Cr2O3-grade rougher concentrate with 87% recovery, compared with 43.8% and 43.5% Cr2O3-grade rougher concentrates with 85% and 77% recovery for coarse-bubble column flotation

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  • Process for extraction of platinum group metals from ...

    A process for treating chromite-bearing ores to obtain useful mineral values, especially platinum group metal, therefrom wherein the ore is separated into magnetic and non-magnetic fractions; the non-magnetic fraction, containing a substantial portion of the platinum group metals, is concentrated and smelted to produce a metal layer containing platinum group metals; and the platinum group ...

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  • NIOSHTIC-2 Publications Search - 10005389 - Column ...

    The U.S. Bureau of Mines compared column flotation using either fine or coarse bubbles with conventional flotation on a Montana chromite ore. On deslimed ore, fine-bubble column flotation produced a 44.7% Cr2O3-grade rougher concentrate with 87% recovery, compared with 43.8% and 43.5% Cr2O3-grade rougher concentrates with 85% and 77% recovery for coarse-bubble column flotation

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