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Research of Titaniferous Ores Melting and Properties of

Questions of melting of iron ore and raw materials with receipt of cast iron and slag are considered in vitro The chemical composition of cast iron of slag is studied in vitro The viscosity of slag is researched Object of research - titaniferous ores with various contents of titan dioxide The technical and economic indicators of a blast Get price

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US4356027A

Iron ore pellets having superior reduction and load softening properties in blast furnace operations The pellets are prepared from a raw material to which is added an amount of magnesia or a MgO feeding source such as that the ratio of MgO to the SiO 2 content of the raw material is at least about 0 5 and the CaO content in the raw material is Get price

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ENHANCED BINDERS FOR IRON ORE PELLETING AND

23-5-2019ENHANCED BINDERS FOR IRON ORE PELLETING AND CEMENT ADHESIVE MATERIALS wherein the iron ore pellets have a dry compressive strength that is comparable to or greater than iron ore pellets manufactured with conventional binder the intrinsic viscosity of levan in water is vanishingly low as compared to other polysaccharides Get price

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ALTERNATIVE BINDERS TO BENTONITE FOR IRON ORE

binders through slag bonding mechanism Furthermore lowering the firing temperature thanks to low-melting boron compounds will be cost-effective for firing part of the pelletizing plants KEYWORDS iron ore pelletizing bentonite organic binder boron compounds colemanite physical Get price

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PAPER OPEN ACCESS Related content KDUDFWHUL

indicates that the iron ore particles will not adhere together through electrostatic attraction when Funa is used as binder[8] Ammasi et al (2015) used Na lignosulphonate (NLS) and copper smelting slag (Cu-SS) as a binder with varying compositions The Pellets prepared with NLS as a binder it shows aGet price

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slag crusher plant manufacturer bhilai

ultrasonic metal slag crush iron slag mill punjab foundry slag recycling plant low melting slag binders for iron ore pellets magnetic separation copper slag copper slag used as a fine aggregate pdf manufacturers for crusher for coal slag in usaGet price

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Review of Organic Binders for Iron Ore Agglomeration

Review of Organic Binders for Iron Ore Agglomeration J A Halt S Komar Kawatra Department of Chemical Engineering Michigan Technological University Houghton MI 49931 skkawatrmtu edu Date Last Edited 5/22/2013 Introduction Iron ore pellets are one type of iron-rich intermediate product used during primary iron and steel making Get price

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Conversion of Sponge Iron From Low Grade Iron ore And Mill

Directly Reduced Iron (DRI) using waste/low grade iron ore (slime) mill scale and waste/less reactive coal (partly oxidized coal i e Jhama coal) In order to get most green and dry strength for safe handling and transportation the pellets of iron ore slime and the pellets of Get price

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Steelmaking based on inductive melting

As illustrated in Fig 4 the melting stock used to produce electrical steel partly consists of so-called direct reduced iron (DRI) This is produced in the direct reduction process in which prepared iron ore pellets are reduced from oxygen in their solid state by a heat and reduction gas consisting of carbon monoxide and hydrogen or even byGet price

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COREX EFFICIENT AND ENVIRONMENTALLY FRIENDLY SMELTING

melter gasifier Iron ore (lump ore pellets or a mixture thereof) is charged into the reduction shaft where it is reduced to direct reduced iron (DRI) by the reduction gas in counterflow Discharge screws convey the DRI into the melter gasifier where final reduction and melting take place in addition to all other metallurgical reactions HotGet price

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RESEARCH PAPER Replacement of bentonite in hematite ore

Replacement of bentonite in hematite ore pelletisation using a combination of sodium lignosulphonate and copper smelting slag A Ammasi and J Pal* Bentonite is the most common binder used in iron ore pelletisation owing to its good bonding properties in green and dry pellets at both ambient and elevated temperatures However due toGet price

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EFFECT OF LIMESTONE ADDITION ON THE METALLURGICAL

(reducibility softening and melting properties slag formation) of the iron ore pellets Limestone CaCO 3 Magnesite MgCO 3 Dolomite (Ca Mg)CO 3 Olivine Mg 2 SiO 4 •In this study the focus is on limestone as an additive •There are a lot of standard tests for iron ore pellets Additionally steel companies andGet price

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Mineral Reactions and Slag Formation During Reduction of

Iron ore pellets are commonly used in the modern blast furnace process The pellets are made by adding binder to finely ground iron ore and pelletised in a balling drum or disc pelletiser These so called green pellets are fired in an relatively low melting slag phase of fayalitic composition (Lu et al Get price

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Iron Ore Pellets North America BF and DR Grade Supply

Iron Ore Pellets North America BF and DR Grade Supply and Quality Dr Joseph J Poveromo Raw Materials Ironmaking Global Consulting Bethlehem PA joe poveromorawmaterialsiron 3rd COREM Symposium on Iron Ore Pelletizing Sept 29 – Oct 2 2013 Quebec City are lower slag volumes •reduction of pellet SiO2 from 4 30 toGet price

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Utilization of Lime Fines as an Effective Binder as well

Abstract A laboratory study was carried out to characterize the physical chemical and mechanical properties of lime fluxed (varying basicity 0-2) hematite iron ore pellets Lime was used as additive as well as fluxing agent for making iron ore pellets The effect of additives on different properties of pellets Get price

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CN101294243A

The invention relates to a granulating method of iron ore concentrate sintering mixture and belongs to the metallurgical field The method solves the technical problem that the granulating method of the iron ore concentrate sintering mixture is provided wherein the granulating method can increase the quality of sintering minerals The Get price

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Welcome to CDC stacks

Influence of reducing conditions on the softening-melting characteristics of taconite pellets Published Date under the pressure- temperature curve) and softening and metal-slag drainout organic binders as substitutes for bentonite in agglomerating iron ore concentrate Over 30 organic binders were evaluated at several dosage Get price

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Welcome to CDC stacks

Influence of reducing conditions on the softening-melting characteristics of taconite pellets Published Date under the pressure- temperature curve) and softening and metal-slag drainout organic binders as substitutes for bentonite in agglomerating iron ore concentrate Over 30 organic binders were evaluated at several dosage Get price

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The Sintering Process of Iron Ore Fines – IspatGuru

Fig 2 Material flow in a sinter plant The flexibility of the sintering process permits conversion of a variety of materials including iron ore fines captured dusts ore concentrates and other iron-bearing materials of small particle size (e g mill scale) into a clinker-like agglomerate Get price

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Effects of Basicity and FeO Content on the Softening and

higher content of a binder like Portland cement could be used to maintain the compressive strength of pellets after heating The composition of slag affects the softening and melting temperatures When the deformation temperature of slag is low the compressive strength of DRI is increased due to slag Get price

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Author Index p 875 Burden Distribution Computer

Slag Behavior in Iron Ore Pellets During Reduction Under Load p 573 Blast Furnace Burden Softening and Melting Phenomena - Melting Onset in Acid and Basic Fluxed Pellets p 585 Kinetics and Mechanism of Reduction of Iron Ore Pellets Under Load p 597 Fly Ash Binder for Pelletizing Steel Mill Desulfurization Slag p 623Get price

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low cost ironstone jaw crusher in stone crushing plant

low cost hammer mill crusher low cost commercial building construction kerala ultra wet grinder low price low temperature grinder machine low vein coal mining hard hats low melting slag binders for iron ore pellets low g horizontal centrifuge for sale low grade iron ore concentration equipment cost of low grade iron ore beneficiation in Get price

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UDC 622 785 5 669 162 26 012 4 Quality

first dripping of iron ore from a graphite crucible) and the composi-tion of sintered ores and pellets liquid phase amount of slag containing FeO in a low concentration 4) When the basicity was approximately 0 5 on the other hand To avoid the increase in slag volume the melting point andGet price

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Behavior of fluxed lime iron oxide pellets

When the pellet was added into hot metal bath (carbon-containing molten iron) it was decomposed melted and transformed to produce low melting oxidizing slag because it is a combination of main CaO and Fe 2 O 3 This slag is suitable for facilitating P and C removal in refining Get price

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Pelletization of slag from steel desulfurization

Request PDF on ResearchGate | Pelletization of slag from steel desulfurization | A typical steelmaking facility produced 50 000 tons per year of slag in their hot-metal desulfurization process This slag had a sufficiently high iron content that it could be beneficiated and recycled in a blast furnace provided that the slag could be Get price

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Organic Binder

Organic Binder An organic binder for iron ore pelletisation Sefogel is an organic binders for the iron ore pelletisation it is free flowing fine powder and an effective replacement ( full or partial ) for bentonite which contains lots of silica Sefogel is also used as universal dust suppressants Get price

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Iron and Steel

Our extruders require minimal moisture and binders to recover more high-value ferrous waste and carbon units Why stiff extrusion recovers more by-product value Our process uses high-shear mixing and vacuum de-airing to shape your bulk raw materials into durable units (Steele extruded pellets and briquettes are strong enough for rough handling in their green state) Get price

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Behavior of fluxed lime iron oxide pellets in hot metal

When the pellet was added into hot metal bath (carbon-containing molten iron) it was decomposed melted and transformed to produce low melting oxidizing slag because it is a combination of main CaO and Fe 2 O 3 This slag is suitable for facilitating P and C removal in refining Get price

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Replacement of bentonite in hematite ore pelletisation

Replacement of bentonite in hematite ore pelletisation using a combination of sodium lignosulphonate and copper smelting slag A Ammasi and J Pal* Bentonite is the most common binder used in iron ore pelletisation owing to its good bonding properties in green and dry pellets at both ambient and elevated temperatures However due toGet price

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(PDF) ALTERNATIVE BINDERS TO BENTONITE FOR IRON

The addition of a low- is most pronounced for hematite pellets which do not melting temperature and slag bonding/strength organic binders are used as binder Boron compounds with low- melting temperature and free of silica and alumina are thought to Process and Quality of Iron Ore Pellets Made with Organic Get price

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Iron ore quality differentials evolve as market

23-5-2018"With the thinning out of low-alumina iron ore supply mills were actively seeking low alumina feedstock which were composed mainly of domestic Chinese concentrates or Brazilian materials " Besides the largest pellet supplier into China is India sending around 800 000 mt/month of pellets Get price

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Investigation of reduction of magnetite based carbon

pellets The slag phase which is composed of silicate and calcium oxides with a high melting temperature keeps the form in the solid state sintered as it does not reach high temperature during the process Since the melting of the slag phase is not needed the iron nugget is formed at relativelyGet price

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Slag

Slag from steel mills in ferrous smelting on the other hand is designed to minimize iron loss and so mainly contains oxides of calcium silicon magnesium and aluminium Any sandy component or quartz component of the original ore automatically carries through the smelting process as silicon dioxide Get price

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AcSIR INDIA

A bentonite has been using as a binder to iron ore pelletization from very beginning In addition to binder problem Induration of hematite pellet would require very high temperature and longer firing time than magnetite diffusion process or incorporating same low melting slag Get price

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