Steel slag (SS), a waste product of steel manufacturing, accounts for approximately 15% to 20% of global steel production. Unfortunately, most of the steel slag has not been effectively recycled but rather disposed of through landfilling or stockpiling. Nevertheless, the valuable metal components (such as iron) and minerals abundant in …

Abstract. Nickel smelting slag contains valuable metals including nickel and copper. Failure to recycle these metals wastes resources, and disposal of nickel …

Brass foundry reclaims $321,867 from brass slag in three months with the DIDION Rotary Slag Tumbler / Metal Reclaimer. Iron Casting Foundry turns waste into money with a metal recovery system from Didion. DIDION …

Given the costs of making batteries, recycling battery materials can make sense. From the estimated 500,000 tons of batteries which could be recycled from global production in 2019, 15,000 tons of aluminum, 35,000 tons of phosphorus, 45,000 tons of copper, 60,000 tons of cobalt, 75,000 tons of lithium, and 90,000 tons of iron could be …

The invention belongs to the technical field of metallurgical engineering and environmental engineering, and relates to a method for efficiently recovering nickel and copper metal from nickel smelting slag. The method comprises the following steps: (1) crushing: crushing the nickel smelting slag to obtain nickel slag particles; (2) reduction-sulfidation roasting: …

This study aims at recovering valuable metals from nickel slag by employing pyrometallurgical techniques. A large amount of slag is generated during the nickel …

The slags derived from nickel contain more than 98% Fe and Co, and 54 -95% Ni and Cu in the oxide form depending on the treatment method and the type of the furnace. Whereas, there are less than 2 ...

Physical 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 …

A 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 …

Nickel Slag Air-cooled nickel slag is brownish-black in color. It crushes to angular particles but has a smooth, glassy texture. The specific gravity of air-cooled nickel slag may be as high as 3.5 (15), while the absorption is quite low (0.37 percent). (3) The unit weight of nickel slag is somewhat higher than that of conventional aggregate. ...

The predigestion life cycle assessment (LCA) method has been applied to investigate the environmental impact of the recycle copper process from copper-slag. Related environmental load data of each process stage have been obtained. Copper-slag recycle copper process includes crushing, milling, flotation, dehydration. Environmental impact …

Recycling 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 …

pollution. Nickel slag recycling is important, and metals can be recovered from slag by flotation. However, considering the complex forms in which valuable metals …

The chemical composition of nickel laterites NA and NB from Philippines and Indonesia, respectively, used in this study, was assayed quantificationally by according to the Chinese non-ferrous metal industry standard YS/T 820–2012 combined with the Chinese standard GB/T 14506–2010, and the results are presented in Table 1. Table 1 …

Abstract. Nickel slag (NS), generated mainly during nickel (Ni) smelting, and classified as a potentially harmful solid waste, is an important secondary resource …

Ferro-nickel slag (FNS) is a byproduct of the ferro-nickel from the nickel ore refinement process. ... In contrast, the FNS-W that was water-cooled without crushing consisted of coarse particles whose sizes exceeded the limit specified by the ASTM C 33 standard. The FNS-W consisted predominantly of 0.6–5-mm-sized particles, and had a …

Steel slag is one of the most common waste products from the steelmaking industry. Conventional methods of slag disposal can cause negative impacts on humans and the environment. In this paper, the process of steel and steel slag production, physical and chemical properties, and potential options of slag recycling were reviewed. Since steel …

A method of recycling a ferronickel slag, which is an aspect of the present invention, comprises the steps of preparing a ferronickel slag, separating the ferronickel slag into a zeolite slag and a non-zeolite slag by selecting a first magnetic force, Crushing the crushed slag, and separating the crushed slag into a zeolite slag and a non …

12-07-2016· Nickel slag recycling is currently another emerging industry slag after steel slag,water slag and other industrial waste recycling, Chaeng(Xinxiang Great Wall Machinery) Production GRMS series vertical slag mill plays a huge role in the recovery of nickel slag grinding process, the current Chaeng can to complete the 300,000 tons ...

Nickel slag is a byproduct obtained from the smelting and refining process of nickel-containing ores. It possesses desirable properties, such as low water absorption, high strength and good ...

Nickel slag, a by-product of nickel smelting, is produced during the pyrometallurgical process of nickel ore in an electric arc furnace, . After cooling and crushing, the nickel slag grains are mostly angular in shape, and have low water absorption, high strength and high deformation resistance [3], [4] .

The technological process for producing BFS using blast furnace smelting of ferronickel is as follows (Wang, D. et al., 2018): nickel ore (laterite) is mixed with limestone and coke after drying, crushing and sieving, and then sent to the blast furnace for smelting at 1500–1600 °C. Liquid ferronickel and molten BFS are formed in the blast ...

DOI: 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 …

The integration of battery scrap recycling and nickel. slag cleaning by reduction with meth ane was experimentally researched for the first time in this. study. Industrial nickel slag from th e ...

Utilizing nickel slag as aggregates in concrete production proposes an economic option for recycling this industrial by-product, and meanwhile preserves the natural rock aggregate resources. Thus, there is an urgent need to further explore the potentially alkali-silica reaction (ASR) nature. ... After cooling and crushing, the nickel …

THE STANDARD Jaw crusher was specially designed for the slag recycling industry. It has the unique patented H ydraulic R elease M echanism ( HRM) to guarantee continuous crushing. No blockage when uncrushable materials like metal hit the crusher. When an uncrushable object like tramp iron gets into the crusher chamber the predetermined …

Abstract. Steel slag is the main waste product in the steelmaking process. Because of its chemical composition and technical properties, it can be reused as raw material in steel plants and can serve as a substitute for aggregates in civil engineering. In this paper, we reviewed steel slag treatment, recycling, and management in China.

Recycling Nickel Slag by Aluminum Dross: Iron-extraction and Secondary Slag Stabilization. Guangzong ZHANG, Nan WANG,* Min CHEN and Yanqing CHENG. …

The generation process of EFS is as follows (Liu et al., 2016): nickel ore (sulfide ore, garnierite ores) is mined, crushed, ground, dried in a rotary kiln (750–800 …