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what is iron ore slag used for

The Blast Furnace

The slag is mainly used to build roads. The iron whilst molten is poured into moulds and left to solidify this is called cast iron and is used to make railings and storage tanks. The rest of the iron is .

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How steel is made a summary of a Blast Furnace

About halfway down, limestone begins to react with impurities in the ore and the coke to form a slag. Ash from the coke is absorbed by the slag. Some silica in the ore is reduced to silicon and dissolves in the iron as does some carbon in the coke.

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Study of the reactions between iron ore slag and refractories

Fines is an iron ore powder that have grain size under 4,75mm in diameter and needs a further process of sintering by the steel producer before being used. This sintering is necessary to give a good permeability to air in the blast furnace (otherwise air cannot be blast through the ore in the furnace). Lump have iron ore particles with a

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IRON AND STEEL chemguide

Slag is used in road making and as "slag cement" a final ground slag which can be used in cement, often mixed with Portland cement. Cast iron. The molten iron from the bottom of the furnace can be used as cast iron. Cast iron is very runny when it is molten and doesn't shrink much when it solidifies.

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Types of Iron Ore: Hematite vs. Magnetite Investing News

Iron is most often found in hematite and magnetite ores, though goethite, limonite and siderite ores are also common sources. For investors interested in the iron ore space, it's useful to know the facts about hematite and magnetite ores. Both of those types of iron ore .

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Creating Iron HowStuffWorks

­The more advanced way to smelt iron is in a blast furnace. A blast furnace is charged with iron ore, charcoal or coke (coke is charcoal made from coal) and limestone (CaCO 3 ­). Huge quantities of air blast in at the bottom of the furnace, and the calcium in the limestone combines with the silicates to form slag.

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Types of Iron Ore: Hematite vs. Magnetite Investing News

Iron ore is most often found in the forms of hematite and magnetite. Learn what makes those types of iron ore different and make an informed investment. Types of Iron Ore: Hematite vs. Magnetite.

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iron ore slag ball mill plant

Dec 14, 2018· High Fine Ball Mill For Glass Zirconium Zinc Copper Iron Ore Grinding Plant Made In Mineral,gold,copper,stone,iron ore, iron slag, clinker,etc. Iron ore grinding plant is a key equipment to grind the crushed materials, and the Iron ore. Gold Ball Mill For Sale.

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What is Iron ore? Yahoo Answers

Jun 23, 2008· Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel. 98% of the mined iron ore is used to make steel.[1] Pure iron is virtually unknown on the surface of the Earth except as FeNi alloys from meteorites and very rare forms of deep mantle xenoliths.

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GCSE CHEMISTRY Extraction of Iron in the Blast Furnace

Silicon dioxide reacts with calcium oxide. to form calcium silicate (called slag) which is liquid in the furnace. Slag flows to the bottom of the furnace. where it floats on the liquid iron and is easily removed. calcium oxide + silicon dioxide calcium silicate.

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Fluxing And Smelting Silver Ore

Oil Or Lard: Used to help the ore form together into a button or ore bar. It also helps to build up heat. Soda Ash: Used to thin down slag, cover and clean metals. Potash Or Lye: Thins slag from gold and helps in cleaning. Borax: Used to cover and clean gold. It also helps to keep the gold from volatilizing off.

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How to use iron ore in a sentence WordHippo

Some of the materials used are clay, shale, sand, iron ore, bauxite, fly ash, and slag. This also extended to the continental Rhineland, where bituminous coal was already used for the smelting of iron ore. A bell pit is a primitive method of mining coal, iron ore or other .

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Uses of Iron Ore Anglo American South Africa

Uses of Iron Ore Of all the metals that make modern life possible, steel is the most widely used and iron ore is its main ingredient. Iron ore is needed for train tracks and other types of infrastructure, which is one reason for the great demand from emerging economies such as China and Brazil.

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Iron Ore From Copper Slag In Horgen Switzerland

Iron Ore From Copper Slag In Horgen Switzerland. iron ore slag mining. what is iron ore slag used for Crushing Plant,Grinding Mill. what is iron ore slag used forgold crusher. Extracting Iron Slag From Copper. Read more. raymond mill flowsheet in switzerland Crusher,mills

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The chemistry of steelmaking. Blast furnace.

The slag is collected after the denser iron has been run out of a tap hole near the bottom of the furnace. The production of iron in a Blast Furnace is a continuous process. The furnace is heated constantly and is recharged with raw materials from the top while it is being tapped from the bottom.

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All about Iron Ore

Iron Ore Smelting As mentioned previously, iron is present in iron ore as an Iron Oxide so somehow the iron and oxygen bonds need to be broken to create pure iron. The way this is done is by introducing carbon for the Oxygen to bond with instead of the iron.

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