desulfurization of iron concentrate
Multistage desulfurization mechanism to reduce sulfur ...
High-titanium slag (88.42 wt% TiO 2, particle size ≤ 3 mm; Panzhihua Iron & Steel Group Co., China) and titanium concentrate (50.60 wt% TiO 2, particle size 0.1–0.5 mm; Jinzhou Metal Co., Ltd., China) were used as raw materials.The compositions of the raw materials are shown in Table 1.Aluminum powder (99.5 wt% Al, particle diameter of 0.2–2.0 mm; Jinzhou Metal Co., Ltd., China) …
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Central composite design for optimization and formulation ...
Finally, the techniques are compared from technical, economic and environmental viewpoints, and future trends in desulfurization of iron ores are presented. ... iron concentrate of TFe64.81 %, S0 ...
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flotation desulfurization of iron ore - BINQ Mining
Iron ore concentrate flotation process – Stone Crusher Machine … The iron ore concentrate flotation desulfurization process: harmful impurities in the iron ore concentrate sulfur generally exist in the form of the pyrite and … »More detailed
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Feasibility of resource utilization of the refractory ...
2.2.Experimental procedures 2.2.1.The O 3 /H 2 O 2 process. In previous study, we adopted O 3 /H 2 O 2 process to pretreat raw EC-GFW to decrease the organic contaminant concentration where the ozone gas was generated by an ozone generator (COM-AD-01, Anseros, Germany) with the gas source of pure oxygen (99%). The process was performed in a reactor with an …
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Desulfurization of liquid iron melts - HOLZGRUBER; WOLFGANG
What is claimed is: 1. A process for the desulfurization of pig iron melts having a temperature in the range of between about 1240° C. to 1400° C. comprising forming a desulfurizing liquid slag emulsion in the melt by injecting into the melt, by means of a carrier gas, an agglomerated desulfurizing agent said desulfurizing agent having a liquidus temperature of less than about 1400° C., a ...
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SID.ir | SULFUR REMOVAL FROM IRON ORE CONCENTRATE BY …
magnetite iron ore concentrate were chosen for the study. laboratory results are presented here. these results show that more than 90% of the total sulfur content, can be removed from iron ore concentrate by chemical leaching. the background for the process concept and a summary of the results are presented below.
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US4076522A - Method for the desulfurization of molten iron ...
A method for the desulfurization of molten iron comprising blowing into the molten iron, together with an inert gas, fine particles or powder of magnesium, which are coated with fine particles or powder of at least one selected from the group consisting of magnesia, zirconia, titania, graphite, coke, charcoal, fluorite and magnesium fluoride.
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CN101157979A - Desulfuration method for high sulfide ...
The invention relates to the desulfurizing method of high-sulphur iron ore power, in particular to the iron ore power recycled by using sulfurous iron ore, pyrites and floatation gangue. When the content of sulphur of the iron ore concentrate, which is mostly magnetite, reaches over 15 percent, by adopting the principle of asynchronous size classification, the iron ore concentrate can reach ...
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Influence of staurolite concentrate on the desulfurization ...
Influence of staurolite concentrate on the desulfurization of hot metal by magnesium powder wire. A. M. Zborshchik 1, V. V. Klimanchuk 1, N. V. Kosolap 1 & I. A. Luk'yanenko 1 Steel in Translation volume 38, pages 27–29 (2008)Cite this article
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Study On The Desulfurization Performance Of Ca ...
Study found that with the increase of iron slag addition amount, the complex desulfurizer desulfurization efficiency also increase, when the Na2CO3 (CaCO3)/iron slag=5:1, the desulfurization efficiency reach the maximum, then continue to increase iron slag addition amount, it …
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Minerals | Free Full-Text | Effect of Basicity on the ...
Han et al. used the combined process of grinding classification–gravity, separation–magnetic and separation to extract iron from desulfurization slag of Angang, and the TFe grade of the iron concentrate reached 86.32%, the S grade decreased to 0.21%, and an iron recovery rate of 78.48% in the slag was achieved.
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-Research on magnetic separation of …
Magnetic separation had a significant effect on the enrichment of iron in the desulfurization slag. Magnetite with low-silicon content entered the rough concentrate and the iron grade reached to more than 50 wt.%. It met the level 5 standard of magnetic concentrate in iron ore …
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Fardis Nakhaei - Google Scholar
Evaluation of column flotation froth behavior by image analysis: Effects of operational factors in desulfurization of iron ore concentrate F Nakhaei, M Irannajad, S Mohammadnejad Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 40 …, 2018
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Paraguay Desulfurization Gypsum Briquette Machine
Desulfurization Gypsum Briquette Machinebriquette. Desulfurization Gypsum briquette machine can be used for pressing coal power, iron powder, coke, aluminum power, scrap iron, sinter, carbon dust, powdered carbon, slag, gypsum, tailing, slurry, kaolin, active carbon and coke breeze in various industries such as refractory, power station, metallurgy, chemistry, energy, transportation and heating.
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Personal Information: Science Publishing Group
F. Nakhaei, Mehdi Iranajad, Amir HajizadehOmran, "Desulfurization of Magnetic Separators Concentrate in DTP Line of Golgohar Iron Ore Complex by Column Flotation", 4th International Mine and Mining Industries Congress and Expo and 6th Iranian Mining Engineering Conference, Tehran, Iran, …
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Desulfurization kinetics of high lead and zinc sulfide ...
The desulfurization process of lead and zinc slag is an important smelting process to obtain lead and zinc. ... zinc, and iron can be oxidized to form high lead and zinc slag. The experimental results illustrated that the sulfur content in the oxidation ... process to produce lead is lead sulfide concentrate. However, with the rapid consumption ...
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(PDF) New Technology of Processing Pyrite Concentrate ...
4. RESULTS 1. The water vapour technology of pyrite concentrate processing was tested in a pilot plant and it is proved that this method results in full sulfur separation/extraction. Besides, a high degree of extraction of iron and other elements contained in the concentrate was achieved. 2.
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Biogas Desulfurization
Biogas Dry Desulfurization process using activated carbon. Iron based desulfurization media has low cost and high desulfurization capacity as its main advantage, however the chemical reaction occurring during the capture of hydrogen sulfide tends to agglomerate the media pellets in larger chunks which render the spent media removal a time ...
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Desulfurization of Iron Ores: Processes and Challenges ...
The achievement of higher sulfur removal rates has been an important goal since the development of sulfur removal techniques. In this research, an effort is made to separately introduce the various processes, industrial practices, and fundamental research activities to remove sulfur from iron ores, concentrates, or roasted iron ores.
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Pelletizing steel mill desulfurization slag - ScienceDirect
Pelletization of the slag concentrate will allow the iron and steel industry to increase profits with higher iron recovery and lower disposal costs, while preventing pollution through lower waste generation. This is the first time that iron units, beneficiated from hot metal desulfurization slag, have been pelletized for reuse as blast furnace ...
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Deoxidation and Desulfurization Equilibria of Liquid Iron ...
the desulfurization equilibria of liquid iron by calcium have been investigated at 1873K. The following ther-modynamic values on the calcium desulfurization have been derived from the experimental results in the present study and in the previous studies by others. CaS(s) Ca(mass%, in Fe) S(mass%, in Fe)
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Minerals | Free Full-Text | The Desulfurization of ...
This study provides new insights into the separation of iron minerals. ... It also can be seen from Figure 5 that the desulfurization ratio of concentrate decreased slowly when the fraction of (BX) 2 increased from 0 to 40 wt % and thereafter the desulfurization …
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Desulfurization Study of an Iron Mine in Yunnan
The concentrate with iron content of 66.89 % with 76.55 % recovery and sulfur content of 0.15 % were obtained using the Magnetic-flotation [9]. Mobayen et al. performed a feasibility study in ...
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A novel method for Fe-Al2O3 composites prepared from high ...
The iron concentrate treated by the traditional desulfurization process has a desulfurization rate of 50–80 % (Rezvanipour et al., 2018). Flotation is usually used for desulfurization treatment, which will lead to various desulfurization rate depending on different desulfurizer and desulfurization parameters ( Nakhaei et al., 2018 ).
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desulphurization of an iron concentrate
May 05, 2020· The iron concentrate treated by the traditional desulfurization process has a desulfurization rate of 50–80 % (Rezvanipour et al., 2018). Flotation is usually used for desulfurization treatment, which will lead to various desulfurization rate depending on different desulfurizer and desulfurization parameters ( Nakhaei et al ...
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Evaluation of column flotation froth behavior by image ...
(2018). Evaluation of column flotation froth behavior by image analysis: effects of operational factors in desulfurization of iron ore concentrate. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects: Vol. 40, No. 19, pp. 2286-2306.
ادامه مطلبThe role of thermal improvements in indurating machines ...
The scarcity of iron ore concentrate resources is a real fact, and a search for alternative resources seems to be unavoidable [1, 2].For many years, magnetite iron ore mines, containing high-sulfur content (up to 2.0%), were not very welcomed in steel industry; however, they are nowadays increasingly receiving attention as potential sources and promising alternatives for iron ore resources.
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Desulfurization Study of an Iron Mine in Yunnan ...
Experimental investigation was conducted on an iron mine in Yunnan, with grade of 35.10% and sulfur content of 1.19%. Through the analysis of ore properties, comparison of single magnetic separation and magnetic-flotation two different process, finally determined magnetic-flotation separation process, obtained high-quality iron ore concentrate with grade of 66.89% and recovery of 76.55%, and ...
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(PDF) Desulfurization of hematitic concentrate of iron …
"Desulfurization of hematitic [10] concentrate of iron ore of the Gol-E-Gohar mine using reverse flotation method". [8] sulfur and phosphor from Gol-E-Gohar iron ore …
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