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·TANG Jing fang FU Lin tao LI Fu zhi The Application of NID Desulfurization Process in 3rd Sintering Plant of WISCO [J] Sintering and Pelletizing 2009 34 5 13 in Chinese Google Scholar Cappel F EOSR Flue Gas Circulation Optimizes Sintering—A New Craft to Strengthen the Environment Protection of Iron Ore Sintering [J]
·Semantic Scholar extracted view of "Subcritical hydrothermal oxidation of semi dry ash from iron ore sintering flue gas desulfurization Experimental and kinetic studies " by Yi fan Wang et al Skip to search form Skip to main Stabilization and Release Characteristics of Heavy Metals in Desulfurization Sludge from Coal Fired Power Plants
·The concentration of SO 2 emissions in a sinter plant is normally between 200 and 1000 The new desulfurization technology in the iron ore sintering process with added urea is an effective way
·Scholars have therefore investigated various ways to use WM as a resource Owing to its high CaCO 3 content and fine particle size less than 100 μm mostly WM exhibits excellent performance in wet flue gas desulfurization processes and has been used in some coal fired power plants Fan 2020 Additionally WM has been employed as an alkaline adsorbent
·A typical of the high sulfur iron ore from Inner Mongolia China iron grade of % and sulfur content is % the main metal mineral in the ore is magnetite followed by magnetic pyrite
Therefore steelmakers try to limit the concentration of sulphur in the steel In 2021 globally roughly two third of the steel is produced via the BF BOF steelmaking process where iron ore is reduced by carbon coal and coke in the blast furnace BF and the hot metal from the BF is refined in the basic oxygen furnace BOF or converter
Hebei 2000TPD Iron Ore Concentrate Desulfurization Plant At the end of 2020 the customer of the 2000TPD iron concentrate desulfurization plant project contacted Xinhai Mining and stated that the iron concentrate produced by its project had a high sulfur content and was difficult to meet subsequent use needs It hoped to obtain more qualified
·Structure characteristicsDouble shell rubber liner A49 material anti corrosion reliable operation longer service Application It is suitable for flue gas desulfurization of coal fired units in steel mills such as sintering flue gas coking flue gas heating unit and chemicalself sufficient power used in lime gypsum method double alkali method
·The low temperature wet oxidation behavior of semi dry desulfurization ash from iron ore sintering flue gas in ammonium citrate solution was investigated for efficiently utilizing the low quality
PDF On Jul 11 2018 Sandra Lúcia de Moraes and others published Iron Ore Pelletizing Process An Overview Find read and cite all the research you need on ResearchGate
·In recent decades there has been an ever increasing demand for iron ore because of its great demand in metallurgy industries [1] Due to the depletion of high quality iron ores complex ultrafine iron ores with a high content of impurities such as sulfur have been processed [2] Pyrrhotite Fe1 xS
·The low temperature wet oxidation behavior of semi dry desulfurization ash from iron ore sintering flue gas in ammonium citrate solution was investigated for efficiently utilizing the low quality desulfurization ash The effects of the ammonium citrate concentration oxidation temperature solid/liquid ratio and oxidation time on the wet oxidation behavior of
·Assessment of the effect of iron magnetic concentrate desulfurization by flotation method on the quality of green and cooked pellets A laboratory and pilot scale study Zhao et al 2018 Zhou and Kawatra 2017b On the other hand pyrite in iron ore increases the moisture required for pelletization and this high water content may cause
·These results demonstrate that sulfide concentration was achieved In the NSG tail the average copper iron arsenic and sulfur species grades were lower than % The NSG grades in copper concentrate SG and NSG were % % and % respectively demonstrating that the desulfurization of polymetallic ore was achieved
·For dry off gas desulfurization by chemisorption in iron ore sinter plants hydrated lime is usually used as reactant In some other off gas cleaning applications with a gas temperature above 140
·In this work the feasibility study of desulfurization process for iron ore used in the pelletizing plant was carried out in the fourth line of the Gol e Gohar Complex Two methods were examined
·The sintered ore and sintered ash employed in this study were obtained from a large scale iron ore sintering plant The sintered ore employed as filter medium was first crushed and sieved to various particle sizes 150 300 300 450 and 450 600 μm Prior to use the sintered ash was dried at 105 °C for 12 h to avoid agglomeration
The increasing demand for highly enriched iron ore concentrate with low silicate and sulfide content as feed material for pelletizing systems also makes this technology very interesting for iron ore beneficiation which requires a higher addition of MgO and CaO for the desulfurization However this results in increases in the volume of
·The presence of sulfur in these materials causes technical problems in steel and alloys and environmental issues in the sintering of iron ore process The achievement of higher sulfur removal rates has been an important goal since the
·Installing desulfurization systems and closing outdated facilities can effectively decrease pollutant emissions from iron ore sintering Polybrominated dibenzo p dioxin and dibenzofuran PBDD/F
·Iron ore desulfurization is the process of removing sulfur from iron ore that contains sulfur compounds Sulfur is a common impurity in iron ore and the presence of sulfur compounds can adversely affect the ironmaking process and product desulfurization is an essential link in the iron ore pretreatment process
·There are various types of iron ore in China among which high sulfur iron ore resources are abundant and widely distributed This type of ore is mainly composed of hematite Fe 2 O 3 magnetite Fe 3 O 4 pyrite FeS 2 quartz and other non metallic minerals in which the sulfur element mainly exists in the form of pyrite and is a naturally occurring
·The sulfur content in the mine increased from % to % while the sulfur content of sintered ore in normal steel plants does not exceed % leaving room for utilization The gypsum and % iron ore powder are calcined to obtain calcium ferrite which can replace % of the flux resulting in kg/t sintered desulfurization
