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1/15/2020· In addition, it could be suggested that (Cr V ) 2 O 3 could be attributed to the reaction between Cr 2 O 3 and V 2 O 3. However, for the HVTMP with 4% Al 2 O 3 addition, the diffraction peaks of Fe 2 O 3, Fe 9 TiO 15, Fe Cr O 3, Fe Cr O 3, and (Cr V ) 2 O 3 decreased, suggesting that the
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PDF | It is of particular interest to use biomass as an alternative source of fuel in directreduction ironmaking to ease the current reliance on fossil | Find, read and cite all the research
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De très nombreux exemples de phrases traduites contenant "scrap pellets" – Dictionnaire françaisanglais et moteur de recherche de traductions françaises.
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7/27/2019· The oxidation induration and reduction swelling behavior of chromiumbearing vanadium titanomagnetite pellets (CVTP) with Cr2O3 addition were studied, and the reduction swelling index (RSI) and compressive strength (CS) of the reduced CVTP with simulated coke oven gas (COG) injection were investigated. The results showed that the CS of the CVTP decreases and the porosity of the CVTP
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Clearly, the iron carbide materials release more CO than the DRI materials, but the iron carbide materials cannot be made commercially. The Midrex DRI is well balanced for CO production, whereas the Mittal material is oxygen deficient. 012 34 56 0 5 10 15 20 25 Carbon excess Oxygen excess St oi c hi o m et ri c li n e CO line CO 2 line Pure Fe
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For pellets containing × 10 6, × 10 6, and 1 × 10 6 cells, iron content was determined to be μg, μg, and μg, respectively (Figure 2D). The viability of these cells did not change with MSC labeling (97% viability before and after labeling).
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7/27/2019· The oxidation induration and reduction swelling behavior of chromiumbearing vanadium titanomagnetite pellets (CVTP) with Cr 2 O 3 addition were studied, and the reduction swelling index (RSI) and compressive strength (CS) of the reduced CVTP with simulated coke oven gas (COG) injection were investigated. The results showed that the CS of the CVTP decreases and the porosity of the
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The metallurgical properties of oxidized pellets play a vital role in the productivity increase. 20) In recent years, the oxidation roasting and gasbased direct reduction of titaniferous or other iron oxides have been widely investigated by a large amount of researchers. 21,22,23,24,25,26,27) Zhang et al. 21) studied the morphological changes
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7/1/2008· Zerovalent iron nanoparticles (nanoFe 0) in aqueous solution rapidly inactivated Escherichia coli (E. coli).A strong bactericidal effect of nanoFe 0 was found under deaerated conditions, with a linear correlation between log inactivation and nanoFe 0 dose ( log inactivation / mg/L nanoFe 0 · hr). The inactivation of E. coli under air saturation required much higher nanoFe 0 doses
WhatsApp 11/11/2013· Ni/MgAl2O4 catalysts with high NiO loadings were highly active for isobutane cracking, which led to abundant formation of methane, hydrogen and coke. The results of activity testing and XRD characterization jointly revealed that large ensembles of metallic nickel species formed during reaction notably catalyzed cracking instead of dehydrogenation. However, after introduction of sulfur into Ni
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1/16/2020· Effects of calcium compounds on the carbothermic reduction of vanadium titanomagnetite concentrate (VTC) were investigated. It was found that calcium compounds had great effects on the metallization rate of the reduction product, the order of the metallization rate of reduction product being CaCO3 > no additive > CaSO4 > CaCl2, which indicated that the addition of CaCO3 was more
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addition of limeston in iron peelts addition of limestone in iron peelts designed and ran the testing of limestone addition to enhance pellet in view of lower grade . use of limestone and dolomite in iron ore pellet . Jun 10, 2013 Baria iron ore, limestone, The production of Iron ore pellets is a complex .. lumpy pieces with/without .
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2/15/2018· This study investigated the oxidation induration of Hongge vanadium titanomagnetite pellets (HVTMP) with different TiO 2 additions, and its influence on subsequent reduction behavior with simulated shaft furnace gases. The results showed that the addition of TiO 2 decreased the compressive strength and increased the porosity of the HVTMP, and eventually had a detrimental effect on the
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The above results indicated that the addition of CaCO 3 was beneficial to promoting the reduction of VTC pellets, while the addition of CaSO 4 and CaCl 2 hindered the reduction of iron in the carbothermic reduction of VTC. Effect of calcium compounds on gas concentration changes; Zhao et al.
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