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yield calculation of iron ore for sponge iron :

Method for Calculating Yield of DRI Production in Rotary ...

2010-12-16  12/16/2010 3:58 AM. we would like to know the correct method for calculating the yield for working the production of Sponge Iron in a rotary kiln. we have been evaluating the yield for production using the following formula : P = (Q-%TM)X (% Fe (T) in ore - % LOI - 1 / 2 % LP) where. P = Production,

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SPONGE IRON PLANT

2018-9-24  Iron ore crushing is not required since sized material has to be purchased. Iron ore of size 5 mm to 20 mm is being used for the production of Sponge iron. Iron ore is being fed to the Ground hopper, from where it conveyed to the Screen with the help of Vibro Feeder, where Oversize i.e. + 20 mm and Undersize i.e. – 5

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WELSPUN STEEL LIMITED

Iron Ore: In sponge iron making, iron ore is reduced in solid state. Unlike in the conventional steel melting processes, the gangue content of iron ore cannot be separated as a slag. Therefore, it becomes imperative to select an ore with a high Fe content and a low gangue content, to optimize yield during steel making.

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Iron and Steel - Bureau of Energy Efficiency

2017-9-8  Iron ore 1.43 Kg Sponge iron 1 Kg. Coal 0.64 Kg. Char 0.064 Kg. Air 5.20 Kg. Flue Gas 6.20 kg. Total Input 7.270 Kg Total Output Heat Supplied = 2058-251 Kcal (Excess heat) In Heat balance of ideal kiln (100% coal used as reducing agent and no coal is used as fuel) S.No Component Heat Value (Kcal)

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(PDF) Calculating the value of iron ores in ironmaking and ...

2021-11-24  The effects of ore type and bed depth on sinter production and quality, in Proceedings Iron Ore 2007 Conference, pp 301-309 (The Australasian Institute of Mining and Metallurgy: Melbourne). Show ...

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SPONGE IRON – Lloyd’s Metals

Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a ‘select’ grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished ...

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A Thesis Submitted for Partial Fulfillment of the Degree ...

2012-5-29  Today India produce 13.9 million tons of sponge iron, out of which 4.2 million ton is gas based and remaining 9.7 million ton is coal based. India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton of high grade iron ore which will be established. India has total 9992 million ton of iron ore reserves [1].

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THE FUNDAMENTAL ASPECTS OF IRON ORE REDUCTION

2012-1-9  No sponge iron furnice of comparable size to a blast furnace can produce metal at the same high rate. Thus the kinetics of iron ore reduction is an important fundamental aspect. The sponge iron processes differ from each other in the type of furnace used which may be a rotary kiln, shaft furnace 'or fluidized bed reactor.

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Heat and Mass Transfer in Reduction Zone of Sponge Iron ...

Iron ore reactor is a moving bed reactor to produce sponge iron product from iron ore. Gas and solid phases are passed in counter current. In general, sponge ore reactor is divided by 3 zones, which are referred to as reduction, isobaric, and cooling zones. The simple scheme of iron ore reactor is shown in Figure 1. In the reduction zone, there ...

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This is how iron ore is turned into steel

2017-11-1  Iron ore, coking coal, and limestone are added into the top of the blast furnace while heated air is blown into the bottom of the furnace to drive the combustion process. The combustion of iron ...

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yield calculation of iron ore for sponge iron

2nd the % yield calculation itself. % yield = actual amount obtained x 100 / maximum theoretical amount possible % yield = 4.1 x 100 / 4.4 = 93.2% (to 1dp, 3sf) More examples of % yield and atom economy calculations in section 6.-% yield calculation Example 14.2a (4) (reduction of haematite iron ore in a blast furnace)

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Yield Calculation - scribd

2011-8-27  Formula for iron ore = 3 x Oxygen + 48(Oxy) Let us imagine 100% reduction of ore. So the oxygen 27.94 are supposed to be taken out from solid product leaving Fe and gangue. As LOI goes away the gangue losses weight. In 65% Fe grade ore the LOI is 1.0%.

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production of steel iron ore requirements

2016-9-3  Sponge Iron Units 18.50 29.60 Total: 53.31 Note: Assuming no scrap is being used. For producing one tonne of crude steel, 1.6 tonnes of iron ore consumption has been assumed. If we add iron ore requirements of RINL of about 5.00MT (3.13 MT x 1.6 tonnes), the total iron ore requirements from non-captive mines work out to 58.31MT or about 60MT ...

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Sponge Iron - an overview ScienceDirect Topics

DRI, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 800–1200 °C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines. The reduction takes place using gaseous reductants (CO + H ...

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SPONGE IRON – Lloyd’s Metals

Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a ‘select’ grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished ...

Read More
THE FUNDAMENTAL ASPECTS OF IRON ORE REDUCTION

2012-1-9  No sponge iron furnice of comparable size to a blast furnace can produce metal at the same high rate. Thus the kinetics of iron ore reduction is an important fundamental aspect. The sponge iron processes differ from each other in the type of furnace used which may be a rotary kiln, shaft furnace 'or fluidized bed reactor.

Read More
A Thesis Submitted for Partial Fulfillment of the Degree ...

2012-5-29  Today India produce 13.9 million tons of sponge iron, out of which 4.2 million ton is gas based and remaining 9.7 million ton is coal based. India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton of high grade iron ore which will be established. India has total 9992 million ton of iron ore reserves [1].

Read More
Heat and Mass Transfer in Reduction Zone of Sponge Iron ...

Iron ore reactor is a moving bed reactor to produce sponge iron product from iron ore. Gas and solid phases are passed in counter current. In general, sponge ore reactor is divided by 3 zones, which are referred to as reduction, isobaric, and cooling zones. The simple scheme of iron ore reactor is shown in Figure 1. In the reduction zone, there ...

Read More
The Direct Reduction of Iron Ore with Hydrogen

The steel industry represents about 7% of the world’s anthropogenic CO2 emissions due to the high use of fossil fuels. The CO2-lean direct reduction of iron ore with hydrogen is considered to offer a high potential to reduce CO2 emissions, and this direct reduction of Fe2O3 powder is investigated in this research. The H2 reduction reaction kinetics and fluidization characteristics

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This is how iron ore is turned into steel

2017-11-1  Iron ore, coking coal, and limestone are added into the top of the blast furnace while heated air is blown into the bottom of the furnace to drive the combustion process. The combustion of iron ...

Read More
yield calculation of iron ore for sponge iron

2nd the % yield calculation itself. % yield = actual amount obtained x 100 / maximum theoretical amount possible % yield = 4.1 x 100 / 4.4 = 93.2% (to 1dp, 3sf) More examples of % yield and atom economy calculations in section 6.-% yield calculation Example 14.2a

Read More
Yield Calculation - scribd

2011-8-27  Formula for iron ore = 3 x Oxygen + 48(Oxy) Let us imagine 100% reduction of ore. So the oxygen 27.94 are supposed to be taken out from solid product leaving Fe and gangue. As LOI goes away the gangue losses weight. In 65% Fe grade ore the LOI is 1.0%.

Read More
OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10  iron could be lowered to 3.5-3.7 kilo-caloriesIton of sponge iron with partial recirculation of char. The trials yielded adequate data for designing a commercial prototype, or for industrial production of sponge iron. Introduction The direct reduction - processes, developed for converting iron ore

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Iron Ore Yield Calculation Formula - cipref-bourgogne.fr

iron ore yield calculation formula - advokat-praha3.cz. iron ore yield calculation formula. Common Basic Formulas for Mineral Processing Calculations. Formula (5) is used in making tabulations for mill use. As used in these formulas the specific gravity of the ore is obtained simply by weighing a liter of mill pulp, then drying and weighing the ...

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A Thesis Submitted for Partial Fulfillment of the Degree ...

2012-5-29  Today India produce 13.9 million tons of sponge iron, out of which 4.2 million ton is gas based and remaining 9.7 million ton is coal based. India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton of high grade iron ore which will be established. India has total 9992 million ton of iron ore reserves [1].

Read More
iron ore pellet quality yield calculation

yield calculation for iron processing plant Gold Ore Crusher. beneficiation plant yield calculation iron ore. Iron ore beneficiation process flow chart Solutions list of pellet plants in world - BINQ Mining

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The Direct Reduction of Iron Ore with Hydrogen

The steel industry represents about 7% of the world’s anthropogenic CO2 emissions due to the high use of fossil fuels. The CO2-lean direct reduction of iron ore with hydrogen is considered to offer a high potential to reduce CO2 emissions, and this direct reduction of Fe2O3 powder is investigated in this research. The H2 reduction reaction kinetics and fluidization characteristics of fine ...

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Direct Reduced Iron (DRI) Production Plant

2021-2-17  Direct Reduced Iron (DRI) Production Plant NIPPON STEEL ENGINEERING CO., LTD. Basic Concept or Summary S-16 u A direct reduced iron (DRI) production plant is a shaft reduction furnace to produce DRI with large metal iron content by directly reducing iron

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This is how iron ore is turned into steel

2017-11-1  Iron ore, coking coal, and limestone are added into the top of the blast furnace while heated air is blown into the bottom of the furnace to drive the combustion process. The combustion of iron ...

Read More
Answer on Question #63080 - Chemistry - General

What is the percent yield of iron if the reaction of 63.4 g of iron(III) oxide produces 15.0 g of iron? Solution: We can see from reaction equation that 1 mole of iron oxide yields 2 moles of iron. Molar mass of iron oxide is 2*55.85 + 3*16.00 = 159.7 g/mol; of iron

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