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uses of dolomite i iron ore pellets process

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Reducibility and reduction swelling behaviour of some iron…

Iron ore pellets are used for the production of hot metal in blast furnaces and ... Limestone CaCO3; Magnesite MgCO3; Dolomite (Ca,Mg)CO3; Olivine Mg2SiO4.

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Sponge Iron WELSPUN STEEL LIMITED

It is a substitute for scrap and is mainly used in making steel through the secondary ... The process of sponge iron making aims to remove the oxygen from iron ore. ... for the production of sponge iron are iron ore, noncoking coal and dolomite. .... tumbler abrasion indices, reducibility etc. at present Iron Ore Pellet is used in...

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Understanding Pellets and Pellet Plant…

Mar 21, 2015 ... Iron ore pellets can be made from beneficiated or run of mine iron ore fines. ... to be pelletized so that it can be used in an iron making process. ... of any additives to feed such as limestone, dolomite, olivine and bentonite etc.

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Pelletizing Process

Dec 29, 2010 ... than that used for sintered ore. The ore fine is ... The commercial use of pellets, however, began in the. USA after ... In this process, the iron ore is ground into fines ... lime and/or dolomite to the ore adjusts the pellets so as to...

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Iron Ore Pelletization – Packing Machines |…

While limestone and / or dolomite are added to control the basicity as needed in the downstream iron making processes, bentonite is used as a binder and coal...

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Iron and Steel | Lhoist Minerals and lime…

Finecrushed limestone is used as a flux in iron ore sintering. ... a vital role in the formation of slag in the blast furnace process. ... In pellet plants, finelycrushed limestone and dolomite result in...

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Harmony in flux Tata Steel Tata group

In a world's first, Tata Steel has discovered the use of 'dual flux' at its pellet ... Tata Steel recently commissioned an iron ore pelletisation plant at ... To improve pellet quality, steel plants typically use carbonate fluxes such as limestone or dolomite. ... amount of alumina that has a harmful impact on the ironmaking process.

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Effect of dolomite on reduction swelling property of…

Oct 22, 2013 ... Abstract. The effect of various dosages of dolomites on the reduction swelling property of iron ore pellets was studied. Experimental results...

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Dolomite Minerals Technologies Inc.

Asphalt and concrete applications prefer dolomite as a filler for its higher strength ... well as a sintering agent in iron ore pelletization and as a flux agent in steel making. ... The alteration process that forms dolomite tends to bring in additional...

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Pellet Process Uses and Exposures

In the wet process additives (olivine, dolomite and/or limestone ... The mixture of iron bearing materials (iron ore rubble, sinter and/or pellets) and additives (flux...

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Iron ore pelletizing

Iron ore fines are agglomerated into pellets and then indurated using a ... ore filter cake which needs to be pelletized to be used in the steel making process. ... and mixed with limestone or dolomite as a fluxing agent and bentonite or organic...

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alternative binders to bentonite for iron ore…

Mineral Processing Eng., 01180, Adana, Turkey, osmansivrikaya ... Bentonite is the most widely used binder in iron ore pelletizing. ..... olivine and dolomite fluxed iron ore pellets using an organic binder”, in 5th international.

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Patent US6921427 Process for cold briquetting and…

Jul 26, 2005 ... (b) pelletizing or compacting the dry mix or slurry of step (a) to form an ... limestone, dolomite, dunite, quartzite, coke, carbonaceous materials .... C22 B1/14) describes use of cement (OPC) as binder in briquetting iron ore by...

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Pellets | CAP Mineria

The ironore pellet is produced at the installations of El Romeral mine and ... with a special additive of alkali like limestone or dolomite in a pellets plant. ... Agglomerated iron ore in the form of pellets, for use in direct reduction processes which...

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Limestone and dolomite flux and their use in…

May 8, 2013 ... Dolomite is used as a slag former, slag modifier and as a refractory material. The process of iron making is the reduction of iron ore to produce...

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Characterization of Fluxed Iron Ore Pellets as Compared…

Characterization of Fluxed Iron Ore Pellets as Compared to Feed Material for Blast ... pellets, which are being used in blast furnace for production of iron and steel. ... of acid, olivine and dolomite fluxed iron ore pellets using an organic binder.

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Characterization of Fluxed Iron Ore Pellets as Compared…

Fulltext (PDF) | The effect of lime addition in hematite iron ore pellets on its ... iron ore lump and pellets, which are being used in blast furnace for production of iron and steel ..... in their technical paper on limestone and dolomite fluxed pellets.

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Pelletizing Wikipedia

Iron ore pellets are spheres of typically 6–16 mm (– in) to be used as raw material for blast furnaces. ... Typically limestone, dolostone and olivine is added and Bentonite is used as binder. The process of pelletizing combines mixing of the raw material, forming...

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