manganese recovery from slag

  • Manganese Recovery From Slag

    2017-6-9dephosphorisation slag by a regenerator process following a concept similar to that of li et alhowever although these researches focused on the recovery of materials by carbothermic reduction the selective recovery of phosphorus and manganese in steelmaking slag was not attempted.

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  • US3028233ARecovery of manganese from metallurgical

    US3028233A US32910A US3291060A US3028233A US 3028233 A US3028233 A US 3028233A US 32910 A US32910 A US 32910A US 3291060 A US3291060 A US 3291060A US 3028233 A US3028233A US32910A US3291060A US3028233A US 3028233 A US3028233 A US 3028233A US 32910 A US32910 A US 32910A US 3291060 A US3291060 A US 3291060A US 3028233 A US3028233 A US 3028233A Authority US United States Prior art keywords chloride manganese alkali metal separating mass Prior art date 1960-05-31 Legal status (The legal status is an assumption and is not Chat Online
  • Silicomanganese production from manganese rich slag

    Manganese rich slag produced by the appropriate treatment of high manganese pig iron has a high manganese content and results in low fines is low cost and gives low excess oxygen. Manganese rich slag produced by the appropriate treatment of high manganese pig iron has a high manganese content and results in low fines is low cost and gives low excess oxygen. Manganese recovery from this slag in the form of manganese ferroalloys compensates for the excess cost of the treatment process. Chat Online
  • Leaching basic oxygen furnace slag with fluosilicic acid

    Get this from a library Leaching basic oxygen furnace slag with fluosilicic acid to recover manganese and byproducts. J E Meacham

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  • Technical Note on Recovery of Manganese from Low Manganese

    The main constituents of ferromanganese slags are silicates of Mn Ca and AI. Factors affecting the recovery of manganese from a low manganese content ferromanganese slag (about 16 per cent MnO) during acid leaching were studied. These included time temperature agitation sulphuric acid addition solid liquid ratio and particle size.

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  • Recovery of manganese from silicomanganese slag by means

    A procedure for the recovery of manganese from silicomanganese slag was developed. • Zn Ni Co and Cu are treated to remove them as pollutants. • The purified liquor is suitable for electrolysis obtaining α –Mn with a purity of 99.99 . • The developed process is able to recover most of the manganese (94 ) in the residue.

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  • Silicomanganese production from manganese rich slag

    Use of such manganese rich slag in the proportion of 40 of the blend has been found to be optimum to obtain a silicomanganese alloy with the highest metallic yield and highest manganese recovery.

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  • Recovery of zinc and manganese from spent batteries by

    the recovery of zinc and manganese present in the powder have been carried out by two acidic-reductive leachings (1) sulphuric acid/oxalic acid and (2) sulphuric acid/hydrogen peroxide. For each system the analysis of variance (ANOVA) has been performed to evaluate the behaviour of the manganese and zinc extraction yields.

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  • Minerals Free Full-Text "Zero-Waste" A Sustainable

    The major disadvantage of a pyrometallurgical process is the energy consumption of drying and smelting of nodules however less extensive downstream processing to recover valuable metals and the possibility of manganese recovery from slag can possibly outweigh these disadvantages 9 11 .

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  • Steel makingSlideShare

    Jan 09 2013 · About 50 to 75 of the manganese in the burden gets reduced along with the pig iron resulting its manganese content between 0.5 to 2.5 . During steelmaking major About 50 to 75 of the manganese in the burden gets reduced along with the pig iron resulting its manganese content between 0.5 to 2.5 . During steelmaking major amount of manganese is lost into the slag and very little is utilized to meet the specifications. Some manganese is required to control the deleterious effects of sulphur and oxygen Chat Online
  • WO2013002416A1Manganese recovery methodGoogle Patents

    Provided is a method of economically recovering manganese from low-grade minerals and manganese-containing waste. Iron-reducing bacteria and a manganese-containing substance to be treated are mixed in a treatment solution containing trivalent iron ions the trivalent iron ions are reduced to divalent iron ions by means of the iron-reducing bacteria manganese ions are leached from the treated

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  • silico manganese alloy recovery from silico manganese slag

    Apr 14 2017 · Read more please check http //frjig/news/silicomanganese 20slag.html If any inquiry for silico manganese recovery plant please contact us at Email

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  • Manganese Life Cycle Assessment

    manganese industry through IMnI activities and to ensure that the industry follows responsible business practices. The manganese Life Cycle Assessment (LCA) project is an Slag Processing and Metal RecoverySlag Ponds Slag dumpsMetal Recovery Plant Furnace and Ladle SiMn Furnace and Ladle HCFeMn RefiSinter Plant ning (LC/MCFeMn) Casting

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  • Production of Silico-Manganese in a Submerged Arc Furnace

    For the improvement of slag fluidity MgO content of the slag is required to exceed 7 . A significant reduction of the MnO content of the slag can be achieved by increasing the proportion of MgO in the slag. This in turn improves the recovery of Mn.

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  • Manganese processing Britannica

    Manganese processing preparation of the ore for use in various products. Manganese (Mn) is a hard silvery white metal with a melting point of 1 244 °C (2 271 °F). Ordinarily too brittle to be of structural value itself it is an essential agent in steelmaking in which it removes impurities such

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  • ferrous chromite recovery and alloy slag beneficiation

    A review of the deposits and beneficiation of lower-grade chromite. This paper reviews the ajor deposits of lower-grade chromite in the world and a wide variety recovery operat ons ISrequired A review of the deposits and beneficiation of lower-grade chromite. This paper reviews the ajor deposits of lower-grade chromite in the world and a wide variety recovery operat ons ISrequired fo e.the recove ies from lower-grade steels tool and alloy steels nickel-chromium .. mium recovery in the slag and higher er/Fe ratios were . tents and ferrous iron content in that order.Chat Online
  • Problems and prospects of raw materials for ferro

    Choice of different slag practices In normal practice the largest possible quantities of Manganese is recovered from the ores into the metal and slag by following the high manganese slag practice Choice of different slag practices In normal practice the largest possible quantities of Manganese is recovered from the ores into the metal and slag by following the high manganese slag practice wherein the fume losses are restricted to about 2-3 . The appa-rently higher consumption of the manganese Chat Online
  • Missouri University of Science and Technology Scholars Mine

    Alloy Recovery and Control in Steel Melting. 4.13 . Proceedings of 58. th. SFSA T O Conf. Convective heat transfer which is a function of bath stirring and superheat governs shell melting. Several physical and chemical properties of alloy additions affect how the element is

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  • Structural Investigations of Dump Ferromanganese Silicon

    features of manganese and silicon reduction during ferromanganese silicon smelting brought in this work shows that additional recovery of manganese and silicon from the dump slag can be features of manganese and silicon reduction during ferromanganese silicon smelting brought in this work shows that additional recovery of manganese and silicon from the dump slag can be accomplished by carbonreducing process.However the complicated problem is the increase of infusibility and electric resistance of charge Chat Online
  • The Two-stageProduction ofHigh-carbon Ferromanganesein a

    slag volume and the manganese in the slag must be reduced to a greater degree to keep the recovery high. Table ill shows that the mean content of MnO in the slag is 6 28 per cent and that the manganese recovery in the second step of the two-stepBF process is 78 2 per cent. The MnO content of the slag from all three BFs was 4 93 per cent in 1990.

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  • SlagWikipedia

    Slag is the collection of compounds that are removed. In many smelting processes oxides are introduced to control the slag chemistry assisting in the removal of impurities and protecting the furnace refractory lining from excessive wear. In this case the slag is termed synthetic.

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  • Pyrometallurgical Treatment of High Manganese

    duct may easily be won from the manganiferous slag by further reduction at high temperatures ( 1600 C) whereas hydrometallurgical extraction routes only allow manganese recovery from a leach residue or as recrystal-lized Mn-salt with rather high energy consumption. Addi-tionally if Mn-recovery is not an objective the slag would FeNiCuCo Alloy

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  • Recovery of Manganese and Phosphorus from

    Recovery of Manganese and Phosphorus from Dephosphorization Slag with Wet Magnetic Separation Yong-Soo Jeong Kazuyo Matsubae-Yokoyama Tetsuya Nagasaka Graduate School Recovery of Manganese and Phosphorus from Dephosphorization Slag with Wet Magnetic Separation Yong-Soo Jeong Kazuyo Matsubae-Yokoyama Tetsuya Nagasaka Graduate School of Environmental Studies Tohoku University Sendai 980-8579 Japan Key words dephosphorization slag magnetic separation phosphorus manganese Abstract Chat Online
  • Optimized Slag Design for Maximum Metal Recovery during

    Friedmann D. Friedrich B. (2016) Optimized Slag Design for Maximum Metal Recovery during the Pyrometallurgical Processing of Polymetallic Deep-Sea Nodules. In Reddy R.G. Chaubal P. Friedmann D. Friedrich B. (2016) Optimized Slag Design for Maximum Metal Recovery during the Pyrometallurgical Processing of Polymetallic Deep-Sea Nodules. In Reddy R.G. Chaubal P. Pistorius P.C. Pal U. (eds) Advances in Molten Slags Fluxes and Salts Proceedings of the 10th International Conference on Molten Slags Fluxes and Salts 2016. Chat Online
  • Recover ManganeseFluosilicic Acid Leaching

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  • Study 50 Terms Engineering Flashcards Quizlet

    Silicon and manganese. An electrode specifically designed for use with 100 percent co2 will have higher levels of ____ to compensate for the losses to oxidation. ____ weld faces tend to trap slag along the toe of the weld. The weld is uniform in width and reinforcement. The visual inspection of the cover pass looks to see that ___

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  • Manganese processing Britannica

    Manganese processing preparation of the ore for use in various products. Manganese (Mn) is a hard silvery white metal with a melting point of 1 244 °C (2 271 °F). Ordinarily too brittle to be of structural value itself it is an essential agent in steelmaking in which it removes impurities such

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  • Manganese Nodules Residue Potential Raw Material for

    Addition of silica also increases the slag liquidus which intern lead to higher bath temperature favorable for Si recovery. 4. Conclusions The low manganese containing leached manganese nodule residue can be utilized for silicomanganese production by blending with high grade manganese ore.

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  • The Two-stageProduction ofHigh-carbon Ferromanganesein a

    slag volume and the manganese in the slag must be reduced to a greater degree to keep the recovery high. Table ill shows that the mean content of MnO in the slag is 6 28 per cent and that the slag volume and the manganese in the slag must be reduced to a greater degree to keep the recovery high. Table ill shows that the mean content of MnO in the slag is 6 28 per cent and that the manganese recovery in the second step of the two-stepBF process is 78 2 per cent. The MnO content of the slag from all three BFs was 4 93 per cent in 1990. Chat Online
  • Manganese Recovery From Slag

    2017-6-9dephosphorisation slag by a regenerator process following a concept similar to that of li et alhowever although these researches focused on the recovery of materials by carbothermic reduction the selective recovery of phosphorus and manganese in steelmaking slag was not attempted.

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  • An Overview of Manganese Recovery by Hydro and Pyro

    Jun 17 2016 · This review comprises of information about the recovery of manganese through leaching and carbothermic reduction routes. In industrial processes various critical parameters such as ore size temperature pressure gas atmosphere and ore composition etc. affect the reduction or recovery of Mn from ores. Authors have tried to bring those critical parameters in this review which is currently

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  • Recovery of manganese from silicomanganese slag by means

    A procedure for the recovery of manganese from silicomanganese slag was developed. • Zn Ni Co and Cu are treated to remove them as pollutants. • The purified liquor is suitable for electrolysis obtaining α –Mn with a purity of 99.99 . • The developed process is able to recover most of the manganese (94 ) in the residue.

    Chat Online
  • Steel makingSlideShare

    Jan 09 2013 · About 50 to 75 of the manganese in the burden gets reduced along with the pig iron resulting its manganese content between 0.5 to 2.5 . During steelmaking major amount of manganese is lost into the slag and very little is utilized to meet the specifications. Some manganese is required to control the deleterious effects of sulphur and oxygen

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  • The recovery of manganese products from ferromanganese

    The recovery of manganese products from ferromanganese slag using a hydrometallurgical route. Login. Ferromanganese slag contains an appreciable amount of residual manganese metal which can be exploited. Previous work has shown that the slag can be leached fully while rejecting the silica to a residue.

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  • Manganese processing Britannica

    Manganese processing preparation of the ore for use in various products. Manganese (Mn) is a hard silvery white metal with a melting point of 1 244 °C (2 271 °F). Ordinarily too brittle to be of structural value itself it is an essential agent in steelmaking in which it removes impurities such

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