Anthracite As A Reductant Of Iron Ore

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  • Anthracite As A Reductant

    Anthracite As A Reductant. We are a large-scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment, milling equipment, mineral processing equipment and building materials equipment. And they are mainly used to crush coarse minerals like gold and copper ore, metals like steel and iron, Limestone, coal, asphalt, gravel, concrete, etc ...

  • Anthracite As A Reductant - Mining

    Effective separation of slag and iron was realied in a high temperature siliconmolybdenum furnace by taking the anthracite as a reductantCaF2 as an additive.Under conditions of the mixing ratio of red mud and anthracite at 85.6 and 14.4the amount . Get Price. Study On Enhanced Reduction Of Liquid Lead. D. Li and Y. X. Zhou. Research on hot field distribution of direct reduction process of ...

  • Kinetics on roasting reduction of limonitic laterite ore ...

    2019-03-01  Limonitic laterite ore, coconut charcoal, and anthracite coal were used in the process. All materials were crushed to certain particular size and then mixed to form laterite-reductant pellets. In a muffle furnace, the pellets were roasted at a temperature of 800 °C, 900 °C, and 1000 °C.

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  • anthracite as a reductant of steel - OCMD

    Calcined anthracite is used as a reductant in the ... volatised (calcined) anthracite for sale mostly to steel and ... COAL BASED DIRECT REDUCTION OF PREOXIDIZED CHROMITE ORE AT ... ... Tata Steel Limited, ... reductant coal (anthracite), quartz, flux (lime) ... subjecting the raw chromite ore to oxidation at 900 0C for different duration.

  • Metallic Iron Particles in Coal-Based Reduction of Oolitic ...

    Anthracite coal was used as a reductant. The results of its proximate analysis are provided in Table 2, which shows that the coal is high in fixed carbon and comparatively low in harmful elements of S and P. It is a suitable reductant for coal-based direct reduction. Anthracite was crushed to 100% passing 2 mm. The fixed carbon in coal and the CO liberated by gasification are only

  • Anthracite iron - Wikipedia

    Anthracite iron or Anthracite 'Pig Iron' is the substance created by the smelting together of anthracite coal and iron ore, that is using Anthracite coal instead of charcoal to smelt iron ores — and was an important historic advance in the late-1830s enabling great acceleration the industrial revolution in Europe and North America.

  • A review of the use of anthracite in electric arc furnace ...

    The applications of anthracite in Electric Arc Furnace (EAF) steelmaking, include the adjustment of hot metal carbon content, the generation of foamy slags, and its use as a support fuel in the EAF to reduce power consumption per tonne of product. Incentives to use support fuel in EAF steelmaking include the reduction of electric power consumption without reducing plant output. As such, the concept can

  • Extraction of Iron from its ores, Iron dressing, Reduction ...

    2018-10-23  The ore is Hematite, chemical name is iron III oxide, the chemical formula is Fe3O4, It has a blood red colour, it is more easily reduced, Iron is from 50-60 %, place of deposits is Oasis area (western desert) and western part of Aswan.

  • Process Anthracite Ash Steelmaking

    2016-1-15 DC) uses anthracite fines as reductant. There is no replacement for anthracite in this application. There are a limited number of ilmenite smelters: three in South Africa, one in Canada plus one in Norway; the latter plant uses no anthracite as it has a different process to the other four. They produce enriched slag from which titanium . Get Price; Buy Calcined Anthracite Coal FC ...

  • APPLICATION OF SOLID REDUCTANT FOR DIRECT ,REDVCTION IN

    iron ore to metal using charcoal as reductant. (1) Adrien Chenot also took a patent some time in the middle of the last century to produce sponge iron utilising iron ore concentrates and. charcoal' in a retort. (2) There are many other names and attempts associated with ,the early development, of direct reduction which are only of historic in-terest today. These early processes of solid state ...

  • Effects of reductant type on coal-based direct reduction ...

    Home Journals ACSM Effects of reductant type on coal-based direct reduction of iron ore tailings. ACSM. About; Aims and scope; Editorial Board; Instructions for Authors; Submission; Current Issue; Archive; Citation List; JOURNAL METRICS . CiteScore 2018: 0.22 ℹ CiteScore: CiteScore is the number of citations received by a journal in one year to documents published in the three previous years ...

  • Effect of Coal Type on the Reduction and Magnetic ...

    Oolitic iron ore is one of the most important iron ore resources, which widely exists in France, Germany, America, Canada, China etc.1,2) However, it has not been exploited around the world since its unique oolitic structure and generally contains high levels of phosphorus that resist to conventional mineral processing methods. Along with the fast depletion of easy-to-process iron ores ...

  • anthracite as a reductant of steel - OCMD

    Recovery of both brass and zinc from metallurgical residues by... anthracite as a reductant of steel THE ANTHRACITE ADVANTAGE A FACT SHEET ON ANTHRACITE COAL PDF. Industrial: Anthracite is used as a heat source, and/or carbon additive for steel making plants and...

  • COAL BASED DIRECT REDUCTION OF PREOXIDIZED CHROMITE ORE

    and weights retained in different size fractions for chromite ore is given in Figure 1. It can be seen from Figure 1 that the d80 (80% passing) of the particles in the ore is about 206 µm. The chemical analysis of the ore, reductant coal (anthracite), quartz, flux (lime) and bentonite (as binder) is given Table 1. Anthracite coal and the ...

  • Our Technology – Tecnored

    Carbon sources used as Reductant Similar to the metal units and fuel used in Tecnored a wide range of reductants has been used, ranging from bio-char, anthracite, petroleum coke to low cost thermal coals.

  • US8906131B2 - Direct production of iron slabs and nuggets ...

    Metallic iron is produced from a composition formed from a mixture of iron ore particles and particles of a reductant made of a biomass material, a coal or coke in a particulate form together with a flux and is processed in a loose, un-agglomerated non-pelletized, non-briquetted form in a reducing furnace to produce metallic iron directly from the ore.

  • Making Ferronickel from Laterite Nickel Ore by Coal-Based ...

    The reductant was anthracite, the mole ratio of C/O was defined as the ratio of carbon in anthracite to oxygen of iron oxide and nickel oxide contained in the laterite nickel ore. In this work the C/O was 0.5, 0.6, 0.8, 1.0 and 1.2. It was divided to A, B, C three groups according to the different additives.

  • WO2015159268A1 - Ferrochrome alloy production - Google Patents

    This invention relates to a method of forming sintered and/or pre-reduced chromite agglomerates (typically briquettes or pellets) using and/or containing a SiC Composite (a form of silicon carbide...

  • Iron ore production by country 2018 Statista

    Iron ore are rocks and minerals that can be heated in the presence of a reductant to extract metallic iron. Iron and steel industries worldwide are reliant on these sources for primary iron ...

  • OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN A

    It has been claimed that iron ore occurring in different mineralogical forms, has been successfully treated with solid fuels like anthracite, bituminous high volatile coals and lignite and sponge iron contain,- ing 96.7 per cent total iron, 94.1 per cent metal- lic iron and a degree

  • Making Ferronickel from Laterite Nickel Ore by Coal-Based ...

    The reductant was anthracite, the mole ratio of C/O was defined as the ratio of carbon in anthracite to oxygen of iron oxide and nickel oxide contained in the laterite nickel ore. In this work the C/O was 0.5, 0.6, 0.8, 1.0 and 1.2. It was divided to A, B, C three groups according to the different additives.

  • anthracite as a reductant of steel - OCMD

    Recovery of both brass and zinc from metallurgical residues by... anthracite as a reductant of steel THE ANTHRACITE ADVANTAGE A FACT SHEET ON ANTHRACITE COAL PDF. Industrial: Anthracite is used as a heat source, and/or carbon additive for steel making plants and...

  • US8906131B2 - Direct production of iron slabs and nuggets ...

    Metallic iron is produced from a composition formed from a mixture of iron ore particles and particles of a reductant made of a biomass material, a coal or coke in a particulate form together with a flux and is processed in a loose, un-agglomerated non-pelletized, non-briquetted form in a reducing furnace to produce metallic iron directly from the ore.

  • APPLICATION OF SOLID REDUCTANT FOR DIRECT ,REDVCTION

    In the cold charging technique, iron ore and reductant (excluding the flux required for smelt- ing) are charged into the rotary kiln. The reduct- ant used in the rotary kiln need not necessarily be the same as that used for the smelting process. Smelting furnace is fed with fresh reductant in the required quantity.

  • Study of Low-Grade Nickel Laterite Processing Using Palm ...

    This study was conducted to investigate the effect of palm shell charcoal reductant in the selective reduction of nickel ore with the addition of additive at various temperatures and times. In this present work, 10 wt. % of sodium sulfate as additive and 5, 10, 15 wt. % of palm shell charcoal as reductants were used. The reduction of nickel ore was performed at 950oC, 1050oC, and 1150oC for 60 ...

  • IOP Conference Series: Materials Science and Engineering ...

    biggest stainless steel producer had found a way of utilizing laterite ore. They used it to produce nickel pig iron (NPI), as a substitute for pig iron in the stainless steel making process, using blast furnace or rotary kiln – electric furnace (RKEF). One of the important process. es. in NPI making is the reduction process. In the conventional NPI production, coal was used as a reductant ...

  • Manufacturing of Pig Iron - YouTube

    2020-01-07  Pig iron is the product of smelting iron ore (also ilmenite) with a high-carbon fuel and reductant such as coke, usually with limestone as a flux. Charcoal and

  • effect of li ne binder in iron ore pellets

    Due to the reducing ability and bonding effect, a humic substancebased binder has been added into iron ore pellets, both as a reductant and a binder. However, humic substancebased binders were not commonly used in pelletization since some pelletizing results indicated they were not as good asbentonite or other binders.. Read More . Effect of molasses binder on the physical and mechanical . Jan ...

  • Iron Ore Reduction In Rotary Hearth Furnace

    Iron Ore Reduction In Rotary Hearth Furnace. 2017-08-25 A coalbased reduction process using a rotary hearth furnace RHF in collaboration with MIDREX Technologies a subsidiary of Kobe Steel in the USA This process involves carbon composite agglomerates in the form of pellets or briquettes laid on the hearth of the RHF in which the composite agglomerates are heated and reduced in a static manner

  • COAL UTILISATION AT HlGHVELD STEEL AND VANADIUM

    Anthracite Anthracite Pulverized coal Metallurgical coal Coke ... This material is used as a reductant in electric furnace operations. STEEL PLANT Liquid iron is delivered from the iron plant to the steel plant in rail-mounted hot metal ladles. The ladles are emptied into a series of shaking ladles. After scrap has been added, the ladles are placed into one of the four shaking ladle ...

  • Effects of reductant type on coal-based direct reduction ...

    Home Journals ACSM Effects of reductant type on coal-based direct reduction of iron ore tailings. ACSM. About; Aims and scope; Editorial Board; Instructions for Authors; Submission; Current Issue; Archive; Citation List; JOURNAL METRICS . CiteScore 2018: 0.22 ℹ CiteScore: CiteScore is the number of citations received by a journal in one year to documents published in the three previous years ...

  • IOP Conference Series: Materials Science and Engineering ...

    biggest stainless steel producer had found a way of utilizing laterite ore. They used it to produce nickel pig iron (NPI), as a substitute for pig iron in the stainless steel making process, using blast furnace or rotary kiln – electric furnace (RKEF). One of the important process. es. in NPI making is the reduction process. In the conventional NPI production, coal was used as a reductant ...

  • Reductants definition of reductants by Medical dictionary

    The chemical composition of the iron ore used in this study is shown in Table 1, while the proximate analyses of the anthracite and the cow dung used as the reductant in this study are given in Table 2. Effects of Treated Cow Dung Addition on the Strength of Carbon-Bearing Iron Ore Pellets . Furthermore, a little of surfactants and reductants remained on the surface of as-prepared HAuNFs ...

  • Effect of Coal Blended on the Physical Properties of Iron ...

    Iron production by using the direct method has been promoted in order to produce iron effectively, low cost, and environmentally safe. The method was optimal requirements with respect to the feed materials especially iron ore, coal as well as a binder. In this study, the experiments were conducted on physical properties of iron ore briquette from Aceh (Indonesia) to analyze its suitability to ...

  • Study of Low-Grade Nickel Laterite Processing Using Palm ...

    This study was conducted to investigate the effect of palm shell charcoal reductant in the selective reduction of nickel ore with the addition of additive at various temperatures and times. In this present work, 10 wt. % of sodium sulfate as additive and 5, 10, 15 wt. % of palm shell charcoal as reductants were used. The reduction of nickel ore was performed at 950oC, 1050oC, and 1150oC for 60 ...

  • Effect of Coal Type on the Reduction and Magnetic ...

    X-Ray Diffraction (XRD) analysis revealed that more liquid phase was formed in the briquettes during reduction with anthracite as reductant. SEM (scanning electron microscope) observation confirmed that the size of the metallic iron grains formed in reduced briquettes decreased with decreasing of the rank of the coal and the particle size of coal.

  • Properties and Composition of Pig Iron - Studentlesson

    It is produced by smelting iron ore with high-carbon fuel and reductant such as, coke usually with limestone which serve flux. Other materials like anthracite and charcoal are used as fuel. The term ‘pig iron’ derives from the old manner of dealing with molten iron. It was run off direct from the furnace into, open channels which feed into numerous short channels on either side, bearing a ...

  • effect of li ne binder in iron ore pellets

    Due to the reducing ability and bonding effect, a humic substancebased binder has been added into iron ore pellets, both as a reductant and a binder. However, humic substancebased binders were not commonly used in pelletization since some pelletizing results indicated they were not as good asbentonite or other binders.. Read More . Effect of molasses binder on the physical and mechanical . Jan ...

  • OUTOTEC DIRECT REDUCTION AND SMELTING REDUCTION

    kiln, with non-coking coal as the reductant and fuel. • Design, engineering, delivery, and services for SL/ RN-Xtra plants, which use a combination of a pre-hardening grate and traditional SL/RN kiln for the treatment of iron ore fines. • Hydrogen-based Circored fine ore reduction plants with both circulating (CFB) and bubbling (BFB) fluidized bed reactors. • Services for our shaft ...

  • Ferrous Traders Magnetite And Pig Iron Traders

    Pig Iron is the product of smelting iron ore (also Ilmenite) with a high-carbon fuel and reductant such as coke, usually with limestone as a flux. Charcoal and anthracite are also used as fuel and reductant. Pig Iron is supplied in a variety of ingot sizes and weights, ranging from 3 kg up to more than 50 kg.