desulfurization of iron concentrate
desulfurization of iron concentrate

Pelletizing steel mill desulfurization slag

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Jul 01, 2002 0183 32 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 ....

Beneficiation Plants and Pelletizing Plants for Utilizing ,

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- Concentrate Concentrate is ore upgraded by a beneficiation process - Sintered ore Sintered ore is ore agglomerated by a sintering plant - Pellet Pellet is ore agglomerated by a pelletizing plant 12 Outline of iron ore production The production of iron and steel in China has increased dramatically In response to the increasing...

Desulfurization kinetics of high lead and zinc sulfide ,

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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 ....

Desulfurization of Iron Ores Processes and Challenges ,

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The achievement of higher sulfur removal rates has been an important goal since the development of sulfur removal techniqu 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 or...

PDF Effects of Multi

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iron concentrate by the process of desulfurization separation 3,4 In this work, the object ive is to study the effects of grin ding process and grinding fine ness on the desulfurization perform a ....

Minerals Free Full

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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 ratio decreased significantly...

2ZnS 3O 2ZnO SO2 1

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desulfurization are more rapid than in the older multiple-hearth process Fluidized-bed roasters , during concentrate roasting by the reaction of iron with zinc, remains in the leach residue, along with lead and silver Lead and silver typically are shipped to a lead smelter for recovery, while the zinc is ....

Desulfurization Study of an Iron Mine in Yunnan ,

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Experimental investigation was conducted on an iron mine in Yunnan, with grade of 3510 and sulfur content of 119 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 6689 and ,...

Desulfurization of liquid iron melts

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What is claimed is 1 A process for the desulfurization of pig iron melts having a temperature in the range of between about 1240 176 C to 1400 176 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 ,...

Method of desulfurizing iron

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We claim 1 In a process wherein molten iron is desulfurized with a desulfurization additive by adding to only the surface of a body of the molten iron, particles of said additive in the presence of an extraneous agitating means and in the absence of a carrier gas which permeates said surface, the improvement which comprises utilizing as the additive a compacted article ,...

PDF Evaluation of column flotation froth behavior by ,

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Jul 31, 2018 0183 32 Evaluation of column flotation froth behavior by image analysis effects of operational factors in desulfurization of iron ore concentrate July 2018 Energy Sources, Part A Recovery, Utilization ....

Central composite design for optimization and formulation ,

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Finally, the techniques are compared from technical, economic and environmental viewpoints, and future trends in desulfurization of iron ores are presented , iron concentrate of ,...

Economic Limestone Gypsum Flue Gas Desulfurization Tower ,

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Economic Limestone Gypsum Flue Gas Desulfurization Tower For Iron Steel Industrial , Find Complete Details about Economic Limestone Gypsum Flue Gas Desulfurization Tower For Iron Steel Industrial,Limestone Fgd,Desulfurization Process,Limestone Gypsum Desulfurization Process from Other Metal Metallurgy Machinery Supplier or Manufacturer-Shandong ,...

Copper and Zinc Recovery from Sulfide Concentrate by Novel ,

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The title of the revised version is Biodesulfurization of sulfide concentrate for efficient recovery of copper and zinc by novel artificial microbial community Desulfurization was not studied Change the title For example, Copper and zinc recovery from the sulfide concentrate by novel artificial microbial community Author Response...

The Desulfurization of Magnetite Ore by Flotation with a ,

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The Desulfurization of Magnetite Ore by Flotation with a Mixture of Xanthate and Dixanthogen , a problem in iron ore processing This study utilized froth flotation to float pyrrhotite away from , tuned to use mixed collectors to enhance both grade and ,...

Desulfurization of steel SubsTech

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May 31, 2012 0183 32 The most popular method of desulfurization is removal of sulfur from molten steel to the basic reducing slag Basic slag is a slag containing mainly basic oxides CaO, MgO, MnO, FeO A typical basic slag consists of 35-60 CaO MgO, 10-25 FeO, 15-30 SiO 2, 5-20 MnO Transition of sulfur from steel to slag may be presented by the chemical equation ,...

Experimental Study on Oxidative Desulfurization of Molten ,

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Feb 18, 2020 0183 32 We study the oxidative desulfurization of copper slag at temperatures ranging from 1250 176 C to 1450 176 C using experimental copper slag as raw material This is significantly different from the oxidative desulfurization process of low sulfur slag wS < 02 pct at temperatures >1500 176 C compared with the literature Based on thermodynamic equilibrium ,...

desulfurization of iron concentrate

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Desulfurization of Iron Concentrate from Pyrrhotite has characters such as easy for argillization and oxidization, which increases the difficulty of desulphurization, and determines the importance of flotation to desulphurizationThe magnetite concentrate treated in this study is from Chaoyang Xinhua molybdenum ore Its iron grade is 6475 and grade of the main impurity ,...

Desulfurization Experiment of a High Sulfur Iron ,

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Aug 25, 2019 0183 32 Systematic magnetic separation-demagnetization-combined activation reverse flotation desulfurization experiments were carried out on a magnetic concentrate with the iron grade of 5561 and the sulfur grade of 381 whose main sulfide ores are pyrrhotite and pyrite The test results showed that the sample was subjected to a weak magnetic separation test ,...

Investigation on Direct Reducing Iron Process in A ,

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Lime had the better desulfurization effect than the other twoEffects of reducing temperature and lime proportion in iron concentrate powder on dephosphorizing behavior in direct reducing process were investigated The results showed that under the basic conditions of direct reducing process in reactor, the phosphorous in raw material was ....

Study on the desulfurization performance of iron ,

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The iron/ethanolamine/DES system showed a significantly enhanced desulfurization performance compared with DES solution of iron or alcohol amine separately Besides, the absorbents showed relatively stable desulfurization performance, which could keep a high H 2 S removal efficiency in a wide temperature range from 30-90 176 C...

Minerals Free Full

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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 ,...

Simulation Study on Direct Desulfurization of Molten Iron ,

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Feb 16, 2017 0183 32 A new technique of bottom blown method was proposed for desulfurization of molten iron, which uses inert gas to carry magnesium vapor and combines with mechanical stirring A water model was established based on the similarity principle Experimental phenomena were recorded by a high-speed camera combining with image processing method...

PDF Desulfurization of hematitic concentrate of iron ore ,

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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 concentrate ....

What is Desulfurization? with pictures

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Jeri Sullivan Scrubbers can be used to help desulfurize the exhaust from power plants Desulfurization is the process of removing sulfur from something to prevent contamination Also known as hydrodesulfurization or HDS, this chemical process reduces the sulfur dioxide emissions and converts them to sulfuric ac The sulfuric acid is then used in car batteries ,...

Hydrogen Reduction of Hematite Ore Fines to Magnetite Ore ,

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The grade of the concentrate reduced at 450 176 C for 30 min and milled in a rod mill for 15 min could be improved to grade 5699 , iron recovery rate 6193 by performing a simple magnetic separation process, using a working electrical current of 2 A magnetic field intensity 0156 T this process could also be used to improve the iron ....

Method of desulfurization of pig iron in induction furnace ,

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The technical result achieved by the proposed method for the desulfurization of pig iron in induction furnace with an acid lining, is that when processing 50-70 metal by weight melting in furnace with lime 10 to 15 by weight melting and Fluor-spar in the amount of 02-03 by weight melting is achieved single-circuit circulation of metal in ....

Desulfurization of Coal

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haver, fp, recovery of copper, iron, and sulfur from chalcopyrite concentrate using a ferric chloride leach, journal of metals 23 25 1971 Google Scholar LIEPINA, L, DOCKL AKAD NAUK SSSR 173 1336 1967...

Dephosphorization and Desulfurization of Acid Oxide Melts ,

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Jan 22, 2016 0183 32 Experimental data are given for a study of dephosphorization and desulfurization of acid oxide melts Results are provided for determination of phosphorus distribution between phases within acid melts It is shown that diffusion mass transfer is a limiting stage for phosphorus removal into a gas phase A two-stage preparation scheme is proposed ,...

Biogas Desulfurization

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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 ....