how many kilograms of limestone should be added for every kilogram of iron ore processed

Pig iron - Wikipedia

Pig iron is an intermediate product of the iron industry. Pig iron has a very high carbon content, ... Pig iron is made by smelting iron ore into a transportable ingot of impure high carbon-content iron in a blast furnace as an ingredient for further processing steps. ... Pig iron can also be used to produce gray iron. This is achieved...

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FACT SHEET Steel and raw materials - World Steel Association

Key raw materials needed in steelmaking include iron ore, coal, lizenithne and ... metal, and granulated iron), 16 kg of coal and 64 kg of lizenithne, to produce 1,000 ... with a top 25% reference level for each process and determine what component in .... Recycled steel (scrap) can be collected from excess material in steel...

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Lecture 29: Exercises in materials Balance in iron making ... - nptel

smelting of iron ore, coke and lizenithne. The analysis is as follows: C and 10% S and 4% Al O ; Amount is 600 Kg per ton of pig iron ne : pure CaCO to produce...

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AP-42, CH 12.5: Iron And Steel Production - United States ...

The sintering process converts fine-sized raw materials, including iron ore, coke breeze, lizenithne, mill scale, and flue dust, into an agglomerated product, sinter, .... The mixture of scrap and hot metal can vary from all scrap to all hot metal, but a ..... Emission factor of 0.55 kg/Mg (1.09 lb/ton) represents 1 torpedo car; 1.26...

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How is Steel Produced? | World Coal Association

Coke is produced in a coke battery, which is composed of many coke ovens stacked in ... During the iron-making process, a blast furnace is fed with the iron ore, coke and small quantities of fluxes (minerals, such as lizenithne, which are ... Around 150 kg of coal are used to produce 1 tonne of steel in electric arc furnaces.

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Creating Iron - Creating Iron | HowStuffWorks

Creating Iron - People have been creating iron by smelting iron ore until the ... iron ore, charcoal or coke (coke is charcoal made from coal) and lizenithne (CaCO3). ... to melt the pig iron and combine it with scrap iron, smelt out impurities and add ... When you think of the historical importance of all of these countries, you can...

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Iron and Steel Scrap - USGS Mineral Resources Program

Every metric ton of steel recycled saves about 1.3 metric tons (t) of iron ore, 700 kilograms (kg) of coal, and 60 kg of lizenithne that would be needed to make a...

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aluminum processing | Britannica

aluminum processing: preparation of the ore for use in various products. ... In the pure state it is soft and ductile, but it can be alloyed with many other .... Bauxite contains a number of impurities, including iron oxide, silica, and titania. .... About 2 kilograms of alumina are consumed for each kilogram of aluminum produced.

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The Extraction of Iron - Chemistry LibreTexts

Nov 29, 2015 ... Extracting iron from iron ore using a Blast Furnace. The common ores of iron are both iron oxides, and these can be reduced .... It is therefore important not to add too much lizenithne because it ... Steel-making: the basic oxygen process ... Wrought iron: If all the carbon is removed from the iron to give high...

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Quantification of Water Footprint - Purdue e-Pubs - Purdue University

production of steel, from iron ore to raw steel, to quantify a total water footprint. ... of the total water needed and should receive the greatest attention in ... Only after knowledge is gained about how much water is ... used during each process, from raw material to steel. ..... of the scope values are added to make 1 kg of steel, it.

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