The combination of Low and High Intensity Magnetic Separation (LIMS and HIMS) of ground LD slag at 63 μm in wet process may recover ferromagnetic particles (iron oxides) at LIMS and …

Magnetic separation of steel slag. During the integration process of oil sludge pyrolysis with steel slag reduction, the yield of pyrolysis tar reached a maximum of 10.63% at 550 °C. So, the magnetic separation of steel slag was investigated at 550 °C. As is well known, steel slag had a poor reduction effect at low temperatures.

Steel slag, a by-product of steel making, is produced during the separation of the molten steel from impurities in steel-making furnaces. The slag occurs as a molten liquid melt and is a complex solution of silicates and oxides that solidifies upon cooling. ... which is highly dependent on the rate of slag cooling in the steel-making process ...

1 Introduction. The basic oxygen steelmaking (BOS) process produced over 70% of the global crude steel in 2018, [] generating 100 to 150 kg of slag ("BOS slag") for every tonne of crude steel produced. BOS slag, a product of hot metal element (e.g., Si, Mn, Fe, P) oxidation and flux (e.g., lime, dolomite) dissolution, plays a critical role in the …

The slag obtained from separation process could be used as cement with or without the addition of PC clinker based on the practical condition. ... C., Meyer, D., Liira, M., Drissen, P., Comeau, Y., Andrès, Y., et al. (2014). Steel slag filters to upgrade phosphorus removal in small wastewater treatment plants: Removal mechanisms and ...

Primary magnetic separation tests on a steel slag fine powder material demonstrate that the air fluidized dry magnetic separator effectively separates inert …

Slag/metal separation process of the highly reduced oolitic high-phosphorus iron ore fines was investigated. Samples were prepared using the reduced ore fines (metallization rate: 88%) and powder additives of CaO and Na 2 CO 3.Slag/metal separation behavior tests were conducted using a quenching method and the obtained …

The multi-stage wet weak magnetic separation method is suitable for steel slag, with a best magnetic separation intensity of 100 mT in the laboratory range and a single magnetic separation time of 1 min. The steel slag concentrate rate is 30.54% and the T.Fe content is 54.10%. It can replace part of the sintered ore to return to the iron making ...

As is commonly known, in the molten state, metal can separate from slag, such as copper slag [27], steel slag [28], etc., and settle to the bottom of the molten pool during the remelting process. However, in MGSRS, the density of silicon is lower than that of the slag system at room temperature, whereas the electrical conductivities of silicon ...

Improving process design in steelmaking. D. Sichen, in Fundamentals of Metallurgy, 2005 9.5.1 Slag–metal mixing. In steelmaking, slag–metal mixing is a very common phenomenon and it occurs due to the shear at the slag–metal interface caused by excessive liquid steel flow. 37 This mixing leads to emulsification of steel in slag, which …

This review will also provide a key in sight in adaptation strategies to minimize the generation of LF slag during the steel refining process itself. It will also contribute to studying different stabilization methods that could be imparted for better utilization of the slag. ... Granulation and separation based on size. The smaller sizes …

The multi-stage wet weak magnetic separation method is suitable for steel slag, with a best magnetic separation intensity of 100 mT in the laboratory range and a single magnetic separation time of ...

1 Introduction. The basic oxygen steelmaking (BOS) process produced over 70% of the global crude steel in 2018, [] generating 100 to 150 kg of slag ("BOS slag") for every tonne of crude steel produced. BOS slag, a product of hot metal element (e.g., Si, Mn, Fe, P) oxidation and flux (e.g., lime, dolomite) dissolution, plays a critical role in the production …

Steel slag is a solid waste of the steel industry, produced during steel production. Three types of slag, namely electric arc furnace (EAF), basic oxygen furnace …

The high temperature insulation allows the steel slag to be fully melted and uniformly mixed, and the slow cooling process applied to the slag provides enough time to grow for RO phase. The multi-stage wet weak magnetic separation method is suitable for steel slag, with a best magnetic separation intensity of 100 mT in the laboratory range …

steel slag originates from veinstone that is contained in the raw ma-terials (iron ore, coal, coke, etc.) and the flux that is added in the steelmaking refining process for removal of …

In this process, copper slag and steel slag were blended prior to sintering, to achieve the basicity required for the reduction smelting. Meanwhile, the iron concentrate (IC) obtained from the magnetic separation of the copper slag underwent the pelletizing and high-temperature oxidation roasting processes; the obtained oxidized pellets and ...

The solid phase modification process of steel slag consists in its calcination in the air, the transformation of its RO phase into magnesia-iron spinel with strong magnetism, and then the magnetic separation to extract iron [[17], [18], [19]].

Simple process, good stability, processing solid slag, and good separation of slag and iron; but the steel slag particle size is not uniform. cold abandonment …

The multi-stage wet weak magnetic separation method is suitable for steel slag, with a best magnetic separation intensity of 100 mT in the laboratory range and a single …

The utilization of steel slag in cement includes mainly three modes [ 55 ]: matching the clinker of cement raw material, producing low-clinker steel slag cement, and being an active addition [ 55 ]. The process of making steel slag cement is a simple manufacturing technique with less investment and low cost.

The leaching rates of V, Fe, and Mg in the vanadium-bearing steel slag were respectively 98.68%, 99.67% and 99.63% under the condition of a ratio of the volume of the raffinate after titanium ...

The copper slag is reformed; it is sintered with steel slag in a reasonable proportion, and made into pellets after magnetic separation, resulting in a strong adaptability. This process can achieve a Fe recovery rate of 98.63% and grade of 92.91% after smelting reduction, making it possible to absorb copper slag and steel slag on a …

The multi-stage wet weak magnetic separation method is suitable for steel slag, with a best magnetic separation intensity of 100 mT in the laboratory range and a single magnetic separation time of 1 min. ... As the main co-product during the iron and steelmaking process, steel converter slag has been mainly landfilled and/or utilized as ...

Alloy/slag separation. Although the overall reaction is described by the removal of oxygen by solid carbon, this reaction can take place through a number of pathways involving: …

The presence of magnetic inert minerals (RO phase, Fe 3 O 4, Fe) in steel slag powder 13 enables the separation of these minerals from the slag to enhance its gelling properties and facilitate iron resource recovery, thereby improving the activity of steel slag powder. 14 However, during wet magnetic separation operations, hydrated …

The process and mechanism of separation and recovery of V, Ti, Fe and Ca in vanadium-bearing steel slag and acidic wastewater by leaching-solvent extraction process were systematically investigated. In addition, the feasibility of treatment of the wastewater after metal extraction by adjusting the pH with ammonia water to produce …

Steel slag is the by-product during the separation of molten steel from impurities in the steel-making furnace. The basic oxygen furnace (BOF) slag, electric arc furnace (EAF) slag, and ladle furnace (LF) slag are three major types of SS produced in the steelmaking processes.As drawn in Fig. 2, BOF slag and EAF slag are both produced …

A model of computational fluid dynamics (CFD) coupled with phase-field and flow-solid interaction (FSI) was built to simulate a solid inclusion's floating in steel and interacting with the steel-slag interface. The numerical model was validated by a water model experiment. The effects of inclusion size, density and contact angle with the …