20212-202A blast furnace makes pig iron containing 3.2% and 1.8% of Carbon and Silicon and remaining as Iron respectively. The ore is a combination of80%, 12% and 8% of Iron Oxide, Silica and Aluminum Oxide respectively. The process requires coke at a rate of 1 Kg per kg of pig iron produced.The coke is adulterated with Silica with 10% of silica and remaining to be carbon. The flux is obtained at a rate of 0.4 kg per kg of pig iron and isthe base of one tonne of pig ironcontaining pure Calcium carbonate. The blast furnace gas has 30% CO and 15% CO2.calculate the following assuming the1. The weight of core used.2. The weight of slag made.m504ssarydata required:[15]504-888/7/2024/04/28-202nsidering t3. The volume of the blast-furnace gas.4/28-202123am504-88817-20 Produced,288817-2024/04

Answered: 20212 -202 A blast furnace makes pig…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds

Section20.3: Copper: A Coinage Metal

Problem 20.4E

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blast furnace makes pig iron containing 3.6% C, 1.4% Si and 95% Fe. The ore used contains 80% FE2O3, 12% SiO2 and 8% Al2O3. The coke analysis shows the presence of 10% SiO2 and 90% C. The flux used is pure CaCO3. The exit gases contain 28% CO and 14% CO2. The coke ratio is 1000 kg/t pig iron. Flux is 400 kg/t pig iron. Calculate per tonne of pig iron: (a) the weight of the slag made, (b) the weight of the ore used, (c) the composition of slag the air required at NTP.
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100 kg of roasted zinc ore with composition: 66% ZnO, 3% ZnS, 10% PbO, 14% Fe2O3, 1% Al2O3, 6% SiO2 is reduced in a horizontal retort furnace with 45 kg coke having 90% C and 10% SiO2. In the furnace 91% of ZnO is reduced to Zn 100% of PbO is reduced to Pb 75 % of Fe3O4 is reduced to Fe, 25 % of Fe3O4 is reduced to FeO Neglect the vaporization of Pb and Fe and accept that they will not reoxidize. 1. Determine the weight of zinc and the percentage of zinc gained from the ore. 2. Determine the theoretical weight of C required for the reduction of ZnO and the percentage of the excess C. 3. Determine the weight and the percentage of the residual material in the retort furnace after the removal of zinc vapor.
Aluminum is the most abundant metal in the earth’s crust. It is also a common household utensilmetal. The extraction of Aluminum from its ore is expensive because the metallurgy uses a veryhigh amount of electricity. The extraction of Aluminum metal takes place in a number of steps,which may be summarized below.Step 1: Washing and mechanical processes employed to the ore to remove basic impurities.Step 2: Conversion of Aluminum ore (Bauxite) to powdered Alumina (Al2O3) by reaction withconcentrated NaOH solution.Step 3: Dissolving Alumina in molten Cryolite(Na3AlF6)Step 4: Electrolytic refining of the solution at step 2. (Diagram below) to form pure Aluminummetal.Step 5: Collecting pure molten Aluminum at the cathode, which change later to solid Aluminummetal.As you observed, many changes are taking place in different steps for the above extractionprocess. Classify them as physical or chemical change and explain why?a) Step 1 __________________________________________b) Step 2…
Copper is produced from chalcopyrite concentrate from a mixed type ore containing 1.2% CuFeS2 (chalcopyrite) and 6% Cu3 (CO3) 2 (OH) 2 (azurite) by sulfating roasting leaching method. 4 tons of chalcopyrite concentrate is roasted daily. If it is assumed that the amount of iron in the solution is 20% under the same conditions, how much copper is produced in 1 day?
Blast furnace produces pig iron of composition Fe 94%, Si2%, Mn 0.5% and C 3.5% by reduction smelting of iron ore, coke and limestone. The analysis is as follows: Iron ore : Fe,0, 78%, SiO, 8%, Alz0, 5%, MnO 2% H20 7% Coke : 86% C and 10% S and 4% Al,0,; Amount is 600 Kg per ton of pig iron Limestone : pure Caco, to produce a slag of 45% Cao Calculate: a) Amount of ore/ton of pig iron b) % of total Si 0z and of Mn0 reduced in the furnace c) Amount of slag/ton of pig iron and its % composition.
4. From a pyrite concentrate containing 65% by weight pyrite (FeS,) by total oxdizer roasting, the following Fe,03 is produced according to the reaction. 5 tons of pyrite concentrate is reasted daily (MA, g/ mol; Fe 56; S: 32; O: 16; H: 1). 2FES2+11/20, Fe,03 + 450, If it is desired to produce 95% sulfuric acid from the flue gases, how much sulfuric acid by volume is produced in 1 day? (d.atunk anste 95%: 1.84 g/ cm2)
The production of high-grade iron from hematite and magnetite using a blast furnace involves several reactions as described above. Write the balance step for each reaction. 1. Main source of heat: reaction between air and coke. b. Reaction at the bottom of the furnace: carbon dioxide reacts with unburnt coke toproduce carbon monoxide.
Please Explain it with details I am starting a production of slag and want to know the material will be using is adequate for this matter and suitable for mixing. Generally Fe2O3 in these materials( Blast Furnace Slag) has less than 2% . I also want to mix it with portland cement
show solutions 1. 10.000 grams of Clay was analyze for Iron content. Its moisture content is 2.00%. The sample was digested with oxidizing acids to convert all Iron into Fe3+. An excess of NH4OH was added and yielded a gelatinous precipitate of Fe(OH)3. The sample was then ignited in a furnace and yielded 0.1212 grams of residue as Fe2O3. Calculate the percentage of Iron. 2. A 0.3000 gram sample contains only KCl and CaCl2. The sample was dissolved in water and yielded 0.5000 grams of AgCl upon addition of excess AgNO3 reagent. Calculate the percentage of KCl and MgCl2.
Fe2O3 is produced from a pyrite concentrate containing 65% by weight of pyrite (FeS2) by total oxidizing roasting according to the following reaction. 5 tons of pyrite concentrate is roasted daily (MA, g / mol; Fe: 56; S: 32; 0: 16; H: 1). 2FeS2 + 11 / 2O2 → Fe2O3 + 4SO2 How much Fe2O3 is produced in 1 day?
100 kg of roasted zinc ore with composition: 66% ZnO, 3% ZnS, 10% PbO, 14% Fe;0, 1% Al;O, 6% SiO; is reduced in a horizontal retort furnace with 45 kg coke having 90% C and 10% SiO,. In the furnace 91% of Zno is reduced to Zn 100% of Pbo is reduced to Pb 75 % of Fes0, is reduced to Fe, 25 % of Fe,O, is reduced to Feo Neglect the vaporization of Pb and Fe and accept that they will not reoxidize. 1. Determine the weight of zinc and the percentage of zinc gained from the ore. 2. Determine the theoretical weight of C required for the reduction of Zno and the percentage of the excess C. 3. Determine the weight and the percentage of the residual material in the retort furnace after the removal of zinc vapor.

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