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Slag basicity calculation

WebIn the first method, the iron is produced from ore in the BF, thus, generating BF slag (BFS). BBOF slag (BOFS) is produced in the steelmaking process by using the molten iron coming from the BF. In the second method, slags are generated in the scrap-based steel industry. WebJun 24, 2024 · Finally, thermodynamic calculations and characterizations show that CO2–containing gas injection helps titanium stabilize in a higher valence state, which is conducive to improve the high–temperature characteristics of titanium–containing slag. ... and basic sinters with a mass ratio of 2.56:1:2 to keep the slag basicity required from ...

Influence of Basicity and MgO on Fluidity and Desulfurization …

WebJul 1, 2001 · The basicity (i.e. %CaO/%SiO2) or J o u r n a l P r e -p r o o f basicity indices (weight ratio of basic oxides to acid oxides) are often used to evaluate the chemical … WebMay 27, 2013 · Slag viscosity is a transport property which relates to the reaction kinetics and the degree of reduction of the final slag. Slag viscosity also determines the slag– metal separation efficiency, and subsequently the metal yield and impurity removal capacity. blue spinning circle when accessing bim 360 https://ventunesimopiano.com

Slag Corrosion Behavior of Novel Lightweight Magnesia ... - Springer

WebJun 17, 2024 · Foamy slag formation can be divided into 3 steps. These are (i) step 1 which is oxygen injection in liquid steel phase, (ii) step 2 which is carbon injection into the slag, and (iii) step 3 which is when oxygen is injected into the slag. Initially, oxygen is injected into the molten metal (step 1). WebMay 10, 2016 · High basicity slag was used to solve this problem in electric furnace smelting in South Africa and New Zealand. As a result, the titanium slag contained about 30%–33% TiO 2 is obtained, but without effective recovery methods. WebApr 9, 2024 · In this paper, the thermodynamic properties of the PbO-ZnO-FeO-Fe2O3-SiO2-CaO six-component slag system were studied by using the molecular-ion coexistence theory, and the influence of slag composition changes on the activity of each structural unit was analyzed. The results show that the calculated value of the activity model is in good … clear stackable storage boxes

Viscous behaviour of CaO-SiO2-Al2O3-MgO-FeO slag - SAIMM

Category:Estimation of Sulfide Capacity of Slags Using Ionic Theory

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Slag basicity calculation

Slag Volume - an overview ScienceDirect Topics

WebSo it was confirmed that slag viscosity in highly basic slags (C/S>1.3) can be estimated by the chemical potential of dicalcium silicate. They proposed trough their studies that for a low value of FeO content of about less than 7.5% the slag viscosity showed minimum value with increasing MnO content. WebApr 12, 2024 · As one of the main properties of slag, basicity has a direct effect on the control of O and S content in steel. Research has shown that when slag basicity …

Slag basicity calculation

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WebFeb 21, 2024 · Especially the slag’s basicity increases during the injection. Table 1 shows how a typical HMD slag changes from the start of injection (BF carryover slag) until the end of injection (HMD final slag). Table 1. Typical slag compositions for BF carryover slag and HMD slag after reagent injection [ 6 ]. Download CSV Display Table WebNov 30, 2024 · The present study aims to examine MgO saturation, using the software FactSage v.6.4 for all calculations, in the CaO-SiO2-FeO-MgO-Al2O3 slag system and the …

WebMar 12, 2024 · Examples of basicity indices which have been developed are (i) excess bases = { (CaO) + (MgO)} – { (SiO2) + (Al2O3)}, (ii) basicity (B/A) = { (CaO) + (MgO)} / { (SiO2) + (Al2O3)}, (iii) bell’s ratio = { (CaO) + 0.7 (MgO)} / {0.94 (SiO2)+ 0.18 (Al2O3)}, and (iv) optical basicity = { (CaO) + 1.11 (MgO) + 0.915 (SiO2) + 1.03 (Al2O3)} / { (CaO) + … WebApr 12, 2024 · This study examined the effects of micropores and nanosized zirconia (ZrO2) addition in a novel lightweight magnesia castable on the slag resistance. To this end, static and rotating finger tests were conducted to investigate the degradation of the novel lightweight and convectional fused magnesia castables in a high-basicity slag. A 3D …

WebTo investigate the effect of the chemical makeup of slag on the non-metallic inclusions in liquid steel, laboratory experiments and thermodynamic calculations were conducted on CaO-MgO-SiO 2-Al 2 O 3-CaF 2 slag with various slag basicities and 15-5PH stainless steel. In the steel samples that had reacted with high-basicity slag samples, the ... WebTranscribed image text: Example Problem: Calculate the basicity index (B.I.) of a slag with the following composition: Component Cao P205 Mgo Feo SiO2 Mass % 57% 9.0% 7.0% …

WebNov 11, 2013 · A model for density calculation of multicomponent slags was developed in the present work. This model is an extension of a previous model proposed by the present …

WebDec 19, 2024 · EAF slag is a rock-like material generated during the steel-making process. Approximately 130 facilities across the United States generate EAF slag. EAF slag is used as an alternative to rock fragments, both in encapsulated uses (e.g., contained in concrete) and unencapsulated uses (e.g., loose ground cover material). blue spiny lizard regionblue spiny antWebof the slag. The earliest models used the basicity (%CaO/ %SiO 2) or basicity indices where different weights were given to different basic oxides (e.g. CaO, MgO, or FeO). The most … bluespine unicorn tang