Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
Read More
Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
Read More
By absorbing the advanced technology from the world, we researched and designed PF series impact crusher.…
Read More
Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
Read More
Adopting technology from the world, PY Series spring cone crusher has an excellent performance in secondary…
Read More
The vibrating screen is a kind of sieving equipment of international advanced level, developed by our…
Read More
Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
Read More
Massive hazardous Cr-bearing steel slag is produced from the electric furnace smelting process of stainless steel, while the soluble poisonous hexavalent chromium (Cr(VI)) seriously limits the ...
Details
Y.L. Zhou et al., Study on the separation process of non-metallic inclusions at the steel −slag … 629 ality is smaller than that of other similarity numbers. There-fore, compared to Rep, other ...
Details
A mineral carbonation process "slag2PCC" for carbon capture, utilization, and storage is discussed. Ca is extracted from steel slag by an ammonium salt solvent and carbonated with gaseous CO2 after the separation of the residual slag. The solvent is reused after regeneration. The effects of slag pro …
Details
properties of steel, and they can also contribute to potential nozzle clogging issues.[1] In the steelmaking process, the main method of eliminating inclusions is adsorption and dissolution by refining slag. The overall process can be divided into floating up in molten steel, traversing the steel–slag interface and subsequently
Details
Request PDF | Separation and recovery of V, Ti, Fe and Ca from acidic wastewater and vanadium-bearing steel slag based on a collaborative utilization process | Two typical wastes (acidic ...
Details
cycling iron from steel slag is a pro mising strategy, which can make the waste steel slag be recycled and relieve the economic pressure from the shortage of iron ore so urces. In …
Details
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 …
Details
The separation of inclusions at the steel–slag interface is one of the crucial steps in the removal of inclusions. Thus, it is important to study the motion behavior of inclusions at the steel–slag ... the growth of inclusions in molten steel. The removal process of inclusions could be described in three steps:[9,10] agglomeration growing ...
Details
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 …
Details
To improve the efficiency of iron recovery from steel slag and reduce the wear-and-tear on facilities, a new method was proposed by adding a secondary screen sizer to the magnetic separation process according to grain size distribution of magnetic iron (M-Fe) in the slag. The final recycling efficiency was evaluated by calculating the …
Details
Mineral process wastes, such as metallurgical slags nowadays, are of significant metals and materials resources in the circular economy. The usability of iron-making slag is well established; however, steel slag still needs to be utilized due to various physicochemical constraints. In this context, we have reviewed the global steel slag …
Details
This study reveals the magnetic separation characteristics of the equipment for inert minerals in steel slag powder and provides a solution for obtaining steel slag …
Details
In this experiment, dry magnetic separation and wet weak magnetic separation of steel slag were separately performed, and the reasonable process conditions for magnetic separation of steel slag to separate iron were selected according to the …
Details
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 …
Details
Fe in the steel slag is usually found in the form of steel (Fe), iron oxides (FeO, Fe 2 O 3, Fe 3 O 4 ) and iron-bearing minerals, which can be separated from slag by applying mineral processing ...
Details
Physical and chemical characteristics of steel slag. Physically, the steelmaking slags are much heavier, harder, denser and less vesicular in nature, and have unusually high resistance to polishing and wear. ... magnetic separation and screening process and can be recycled. Utilization in the sintering process – Steelmaking slag …
Details
A mathematical model was built to simulate the separation process of liquid inclusions at the steel-slag interface. Based on the model,an equation was proposed to calculate the residence time of ...
Details
Steel slag (SS) is a by-product of steelmaking process, accounting for 15–20 wt% of crude steel [1, 2].Statistics show that the global crude steel production in 2021 was about 1951.2 Mt, of which China's production was 103.28 Mt [].However, the comprehensive utilization rate of SS in China is less than 30%, which is far from the …
Details
To improve the efficiency of iron recovery from steel slag and reduce the wear-and-tear on facilities, a new method was proposed by adding a secondary screen …
Details
If the steel slag cooling process is slow, crystals break, resulting in a significant amount of dust. This phase conversion and the associated dusting are typical for ladle slags. For this reason, ladle slags are commonly called "self-dusting" or "falling" slags [8, 27]. 5. Characterization of Steel Slag from Indiana Steel Plants
Details
Abstract The state of the art for the recovery of metals from steel industry by-products using hydrometallurgical processes is reviewed. The steel by-products are different slags, dusts, and sludges from a blast furnace (BF), basic oxygen furnace (BOF), electric arc furnace (EAF), and sinter plant, as well as oily mill scale and pickling sludge. The review …
Details
The iron/steel slag processing flow is schematically shown in Fig. 2. Steelmaking slag is subjected to the following four process-es: ① solidify and cooling of the hot molten …
Details
Steel slag is a significant by-product of the steelmaking process, 1 accounting for 15%–20% of crude steel production. 2 In China, the annual production of steel slag exceeds 100 × 10 6 tons, with a …
Details
The molar ratio of steel slag to COG also has . Conclusions. This work proposes a novel steel slag-based SE-CLR process that promises to reduce the cost of hydrogen production while enabling high-efficiency carbon capture. The key operating conditions and economic competitiveness are thoroughly examined and the main …
Details
The steel slag is treated with a "crushing-screening-magnetic separation" process. Commonly used equipment includes jaw crushers, cone crushers, rod mills, drum screens, vibrating screens, and ...
Details
Therefore, we propose a continuous pyrolysis-magnetic separation (CPM) process to dispose of oil sludge while recovering pyrolysis oil and steel slag. In the CPM process, the waste steel slag functions as catalyst because of its mineral composition but can also be recovered by magnetic separation after being reduced by the pyrolysis gas; …
Details
In this study, the basic characteristics of coke, anthracite, and coal were comprehensively studied in CO 2 atmosphere to maximize the utilization of steel slag, which is a by-product from steel production, and to minimize the associated land resource wastage. Moreover, the reaction kinetics with steel slag and the phase change and …
Details
The separation process of non-metallic inclusions at the steel–slag interface was simulated by physical modeling. Three different kinds of particles (octahedral, plate-like, and spherical) and ...
Details
Primary magnetic separation tests on a steel slag fine powder material demonstrate that the air fluidized dry magnetic separator effectively separates inert minerals from active minerals in the steel slag …
Details
Introduction. Steel slag is the main solid waste generated in the steel-making process, accounting for 15 to 20% of crude steel output [1]. China's crude steel output in 2021 was 1.035 billion tons [2], more than half of the global crude steel output (1.9505 billion tons) [3], and the steel slag output exceeded 120 million tons.
Details
Steel slag is a byproduct from either the conversion of iron to steel in a basic oxygen furnace, or the melting of scrap to make steel in an electric arc furnace. …
Details
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 …
Details
A new technique to improve the hydration activity of steel slag powder is the separation of inert minerals (i.e., RO phase, Fe 3 O 4, and Fe) for the enhancement of the relative contents of ...
Details
The dumping of a large amount of steel slag not only wastes metal resources, but pollutes the ecological environment. In this study, a method for recovery of vanadium, titanium, iron, magnesium, and synthesizing anhydrite from steel slag is proposed. The leaching efficiency of V, Ti, Fe, and Mg was 99.42%, 99.36%, 99.89%, …
Details
The solid compound of spinel (MgAl 2 O 4) was precipitated from the slag during the reduction process, which strongly affected the slag viscosity. The reduction behavior of synthetic stainless steel slag by aluminum and metal-metal separation under various conditions was studied by Lin et al.
Details
its byproduct, steel slag. Steel slag 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. In todays world, steel is a necessity; in 2016 alone, total crude steel production was
Details
Sofol is a well-known crusher and grinding mill manufacturer that offers equipment and solutions for customers from aggregates, mining and mineral grinding industry.
You can leave your message here, we'll send you an Email immediately.
Online ChatCopyright ©2000- 2024 Shanghai Sofol CompanySitemap
PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
GET QUOTE