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.
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…
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.
1. Match the Process name with the Process description. process description process name Bayer process Frasch process Downs process Ostwald process Chloralkali process Charles Hall Answer A. Electrolyzing brine to produce NaOH and chlorine gas. B. Molten salts are electrolytically exposed to sodium vapor to pure alkali metals. C. Making nitric acid. D. Extracting sulfur using high pressure steam and compressed air. E. Mixed Na3AlF6, with alumina, Al203 to lower the melting point. F. Bauxite ore is processed into alumina, Al203.
1. Complete and/or balance the following chemical weathering or redox reactions (show all steps): a. Al2Si2O5(OH)4 (kaolinite) + H₂O Al(OH)3 (gibbsite) + H4SiO4° b. CaAl2Si208 (anorthite)→→ Al2Si2O5(OH)4 (kaolinite) c. Pyrite oxidation: FeS2 + O2 → Fe²+ + SO4²- d. Methane oxidation: CH4 + SO42→ HCO3 + H₂S 20 2. Geochemists are concerned with the chemistry of natural waters because it affects drinking water quality and ecosystem health. A water has the following chemical analysis: Nat K+ Ca2+ Mg2+ Sr²+ Temp 120.0 ppm 15.00 ppm 380.0 ppm 22.00 ppm 0.8000 ppm 25.00°C SO42- CI HCO32- SiO₂ pH 1115 ppm 15.00 ppm 150.0 ppm 21.0 ppm 7.400 What are these concentrations in mmol/kg (use excel)? b. Do the charges balance (total positive charges = total negative charges)? c. Would you want to drink this water? Why or why not?
A sample of slag (ore tailings) from a blast furnace was analyzed to determine the SiO2 content. A sample of 0.5003 g of slag was decomposed with HCl, leaving a solid residue with a mass of 0.1414 g. The residue was subsequently treated with HF and H2SO4 and heated to convert all the SiO2 present in the sample to SiF4, which is volatile and was evaporated leaving a residue with a mass of 0.0183 g. Determine the percentage by mass (% w / w) of SiO2 in the sample.
A sample of slag (ore tailings) from a blast furnace was analyzed to determine the SiO2 content. A sample of 0.5003 g of slag was decomposed with HCl, leaving a solid residue with a mass of 0.1414 g. The residue was subsequently treated with HF and H2SO4 and heated to convert all the SiO2 present in the sample to SiF4, which is volatile and was evaporated leaving a residue with a mass of 0.0183 g. Determine the percentage by mass (% m/m) of SiO2 in the sample.
OUTM FINAL EXAMINATION UTM OUTM UTM 60TM PIRAL TM OUTM PIRAL OUTM OUTM "Tos UTM Figure 5 a) Figure 5 showed applications of alloys as roofing materials (Figure 5a) and automotive body parts (Figure 5b). Suggest non-ferrous alloys that could satisfy each application. Justify your selection with the inclusion of comparison for mechanical strength requirements between both applications.
The production of high-grade iron from hematite and magnetite using a blast furnace involves several reactions as described
A plain-carbon steel contains 5.9 wt % hypoeutectoid ferrite. What is its average carbon content?
A sample of steel weighing 2.00 g is analyzed for Cr (AW 52.0). The Cr is oxidized into chromate with alkaline permanganate and the excess permanganate is destroyed. A certain volume of 0.120 M FeSO4 is added to the acid solution and the excess is titrated with 0.0220 M KMnO4, requiring 31.0 mL. If the sample contained 0.50 % Cr, what volume (in mL) of FeSO4 was added?
One can review the blast furnace from a simple viewpoint as a process in which the principle reaction is: Fe2O3 + 3C 2Fe + 3CO But some other undesired side reactions occur, mainly: Fe2O3 + C 2FEO + CO After mixing 600.0 lb of carbon with 1.00 ton of pure iron dioxide, Fe2O3, the process produces 1200.0 lb of pure iron, 183 lb FeO, and 85.0 lb of Fe2O3. Calculate the following items: a. the percentage of excess carbon furnished, based on the principle reaction b. the percentage conversion of Fe2O3 to Fe c. the pounds of carbon used up and the pounds of CO produced per ton of Fe2O3 charged d. what is the selectivity in this process (of Fe with respect to FeO)

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