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 utilization level of developed countries [4, 5].
WhatsApp: +86 18221755073Abstract. Nickel slag is a metallurgical solid waste from nickel refineries, which can be recycled as one of excellent secondary sources due to valuable iron contents. In this work, the …
WhatsApp: +86 18221755073The green, efficient, and pollution-free recycling of metallurgical waste slag has garnered global attention. This study reviews the latest technologies for the recycling of steel slag (SS) and ladle refining slag (LFS), as well as the recent advancements in impurity element recovery using an applied electric field.
WhatsApp: +86 18221755073To recover iron from water-quenched nickel slags, CaO was added. Thermodynamic analysis showed that CaO promotes the reaction between fayalite (Fe2SiO4) and O2. Phase diagrams of the FeO-SiO2-MgO …
WhatsApp: +86 18221755073slag. Nickel is present in the slag in the form of an (Fe, Ni)S phase which takes the form of individual inclu-sions that became part of the slag via a mechanical route and cannot be …
WhatsApp: +86 18221755073The aim of this study is the development of a procedure for the recycling of the ferrous-nickel slag that is widely used in open dry blast cleaning operations in Greek shipyards thus annually ...
WhatsApp: +86 18221755073Physical separation methods, including magnetic separation and gravity separation, were reported to recover nickel and chromium from the EAF slag or AOD slag in some commercial practice in the 20th century (Lopez et al., 1997b; ... a SSS slag recycling process was proposed. In the process, sodium hydroxide and sodium nitrate can be recycled …
WhatsApp: +86 18221755073Steel slag recycling is a serious problem in China. The volume of steel slag is growing rapidly because the output of steel is steadily increasing; however, slag's utilization remains relatively low. The utilization rate in China is only 29.5%, whereas the utilization rate of steel slag in industrial countries is more than 85%.
WhatsApp: +86 18221755073RE TECH, in the context of battery crusher systems, refers to a specific manufacturer specializing in recycling technologies. We offer advanced solutions for crushing and sorting batteries, aiming to recover valuable materials while ensuring environmental compliance.. The standard capacity of this battery crusher and sorting system is 100,000t batteries per year, waste lead batteries …
WhatsApp: +86 18221755073Innovative recycling routes are needed to fulfill the increasing demand for battery raw materials to ensure sufficiency in the future. The integration of battery scrap recycling and nickel slag cleaning by reduction with methane was experimentally researched for the first time in this study. Industrial nickel slag from the direct Outotec nickel flash smelting (DON) process …
WhatsApp: +86 18221755073The integration of battery scrap recycling and nickel slag cleaning by reduction with methane was experimentally researched for the first time in this study. Industrial nickel slag from the direct ...
WhatsApp: +86 18221755073Recycling of Nickel Slag Tailings with Additional Recovery of Metals: A Textbook, Infra-Inzheneriya. A A Veselovskii; Forms of occurrence for metals in nickel matte …
WhatsApp: +86 18221755073In this study, recycled Ni smelter slag has been used as a reactive medium for arsenic (As) removal from aqueous solutions. The results of the study showed that 10.16–11.43-cm long columns containing 451–550 g of slag operated for at least 65 days were able to remove 99–100 % As species from continuously flowing contaminated water at an initial As …
WhatsApp: +86 18221755073Slag is also called molten slag. The melt that floats on the surface of liquid substances such as metals during the pyrometallurgical process is composed mainly of oxides (silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide), and often contains sulfides and a small amount of metal. Slag Introduction The composition of the slag is adjusted …
WhatsApp: +86 18221755073The aim of this study is the development of a procedure for the recycling of the ferrous-nickel slag that is widely used in open dry blast cleaning operations in Greek shipyards thus annually generating thousands of tons of blast cleaning waste. Laboratory tests were carried out, based on the reclamation of the material fraction with size a ...
WhatsApp: +86 18221755073The growth of electric arc furnace (EAF) steelmaking in North America has occurred mainly in the past 40 years due to low electricity prices, an abundance of steel scrap (especially near large population centers), and the development of mini and macro steel mills based on metal recycling. Scrap availability and price has made steel produced by remelting …
WhatsApp: +86 18221755073Recycling nickel slag by aluminum dross can realize the 'utilization of waste heat' and the 'recovery of waste into resource'. Based on the molecular dynamics study, the influences of w('FeO')/w(Al 2 O 3) and w(Al 2 O 3)/w(SiO 2) on the degree of polymerization (DOP) evolution have been discussed.As w('FeO')/w(Al 2 O 3) decreases from 1.69 to 0.48, the first peak of …
WhatsApp: +86 18221755073Nickel is an important non-ferrous metal which is widely used in machinery, architecture, steelmaking, military, and other fields due to its physical and chemical properties [1,2,3].During the production of nickel, about 6–16 …
WhatsApp: +86 18221755073Steel slag, a by-product generated during steel production poses a solid waste disposal challenge. The same slag contains valuables such as titanium, nickel, vanadium, iron, aluminum, silica among others. The extracted components can cause productive value addition in diverse realms like wastewater treatment to semiconductor devices.
WhatsApp: +86 18221755073DOI: 10.1016/j.jnoncrysol.2023.122775 Corpus ID: 266248608; Molecular dynamics study on the DOP evolution of slags during recycling nickel slag by aluminum dross @article{Zhang2024MolecularDS, title={Molecular dynamics study on the DOP evolution of slags during recycling nickel slag by aluminum dross}, author={Guangzong Zhang and Nan Wang …
WhatsApp: +86 18221755073Efficient recovery of valuable metals from metallurgical slag has attracted an increasing amount of attention in recent years. In this paper, iron from nickel slag was recycled efficiently via a ...
WhatsApp: +86 18221755073We provide an overview of the current status of research on reprocessing of nickel waste tailings, describe the current condition of the tailings, and set forth an important …
WhatsApp: +86 18221755073The smelting process can be divided into three stages, namely decomposition of high-valence sulphide, oxidation of sulphide, and matte smelting and slagging reaction (Fig. 1).The efficiency of matte smelting and matte-slag separation, as well as the extent of copper losses to slag are mainly affected by the oxidation/reduction potential, matte grade, smelting …
WhatsApp: +86 18221755073A new process of treating nickel leaching slag with converter has been proposed in the article.Under the optimum conditions,that adding 3% carbonaceous,10% siliceous flux and 7% calcareous flux in the temperature of 1300℃ for 30min.The results from lab and industrial experiments show that the recovery ratio of Ni,Cu is 96.18% and 96.85%,and the recovery …
WhatsApp: +86 18221755073More than 30 million tons of ferronickel slag (FNS) are annually discharged in China. FNS has become the fourth largest type of smelting industrial waste after blast furnace slag, steel slag and red mud (Huang et al., 2017).FNS is found to be useful in many applications, such as metal recycling (Zulhan and Agustina, 2021; Gu et al., 2021), glass (Kim et al., …
WhatsApp: +86 18221755073Recycling nickel slag by aluminum dross with converter-slag addition was studied. Based on the element mapping of slags, mineral phases in the modified slag were reconstructed under the …
WhatsApp: +86 18221755073Our plants utilize state-of-the-art magnetic separation equipment to maximize the recovery of metallics from the raw slag.The processing plants include the latest technology in crushing and screening plant design to cleanly separate the slag and metal into different sized fractions depending on customer specifications and market demand.
WhatsApp: +86 18221755073We provide an overview of the current status of research on reprocessing of nickel waste tailings, describe the current condition of the tailings, and set forth an important economic goal — freeing up land occupied by tailings and reducing impacts of human activity on the environment. We study the structure, chemical composition, and phase composition of slag …
WhatsApp: +86 18221755073Recycling nickel slag by aluminum dross with converter-slag addition was studied. Based on the element mapping of slags, mineral phases in the modified slag were reconstructed under the ...
WhatsApp: +86 18221755073Recycling nickel slag by aluminum dross with converter-slag addition was studied. Based on the element mapping of slags, mineral phases in the modified slag were …
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