— Nickel smelting slag contains valuable metals including nickel and copper. Failure to recycle these metals wastes resources, and disposal of nickel slag in stockpiles results in environmental pollution. Nickel slag recycling is important, and metals can be …

um-containing blast furnace slag for extracting valu-able metals is shown in Fig.3. Through the appropriate process conditions, the extraction and separation of elements of Ti, Ca, Si, Al, Mg, and Fe from the tita-nium-containing blast furnace slag can be realized, so that the blast furnace slag can be reasonably utilized.

 — Electronic goods are a major consumer of many critical metals, including copper, nickel, tin, zinc, lead, and precious metals. The processing of end-of-life electronic equipment (E-Scrap) is becoming …

 — Trans. Nonferrous Met. Soc. China 30(2020) 2836âˆ'2847 Extraction of valuable metals from Ti-bearing blast furnace slag using ammonium sulfate pressurized pyrolysisâˆ'acid leaching processes Zhen-zhong BIAN1, Ya-li FENG1, Hao-ran LI2 1.

 — Platinum group metals (PGMs) refer to platinum, palladium, osmium, iridium, ruthenium and rhodium. They are mainly employed in the catalyst industry and are widely used in petrochemical, pharmaceutical, automotive and other fields [1,2,3], known as modern industrial vitamins.The consumption of PGMs in global catalysts has reached a …

 — Steel slag is a by-product of the steelmaking process. In fact, each ton of steel produces 110–150 kg of steel slag. China's steel slag reserves are more than 300 million tons, and the annual hoard continues to increase [1].Due to the different steel composition, scattered varieties of converter slag and complex composition exist, which …

 — Base metals recovery from copper smelter slag by oxidising leaching and solvent extraction Hydrometallurgy, 67 ( 1–3 ) ( 2002 ), pp. 63 - 69, 10.1016/S0304-386X(02)00138-X View PDF View article View in Scopus Google Scholar

 — The pyrometallurgical industry plays a vital role in producing metals for our modern life. With growing demand of metals and declining grade of mineable ore, innovations become critical for many mining companies. It is necessary to conduct a review of recent improvements to the pyrometallurgical industry on analytical measurement …

 — Fig. 6 shows the metal extraction as a function of leaching time at 35 L H 2 O 2 /(h·t). The Eh values measured during the leaching were 292, 358, 434, 622 and 645 mV at 15, 30 60, 90 and 120 min, respectively. Copper extraction and iron removal are proportional to H 2 O 2 dosage in the first 2 h. Around 180 min was required to obtain the ...

 — A two-step leaching method in combination of acid and ethylene diaminetetraacetic acid disodium (EDTA-Na2) was applied to extract metals such as Cd, Cu, Fe, Pb and Zn from a zinc smelting slag. The results show that the extraction rates of Cd, Cu, Fe and Zn in slag reach 88.3%, 54.1%, 69.6% and 54.7%, respectively, while …

 — The material was floated using flotation machine at a pulp density of 33%. As part of the material is oxide, a sulphidiser (sodium hydrogen sulphide) was used during froth flotation. ... (2007) Processing of copper converter slag for metal reclamation. Part I: extraction and recovery of copper and cobalt. Waste Manage Res 25(5):440–448 ...

 — Steel 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 …

Since the current volumes of collected end-of-life lithium ion batteries (LIBs) are low, one option to increase the feasibility of their recycling is to feed them to existing metals production processes. This work presents a novel approach to integrate froth flotation as a mechanical treatment to optimize the recovery of valuable metals from LIB scrap and …

This review article evaluated and summarized various extraction methods including magnetic separation, roasting, pyrometallurgical method, hydrometallurgical and bio hydrometallurgical technique to recover …

 — Steel slag, a by-product generated during steel production poses a solid waste disposal challenge. The same slag contains valuables such as titanium, nickel, …

 — Dzinomwa et al. examined the historic slag produced from a smelter in Namibia, which accumulated over decades of its operating life . Based on the results, approximate conditions under which the different slag phases were formed were estimated, and the recovery routes for the various metals were proposed.

 — The converter vanadium slag, a by-product of vanadium-titanium magnetite smelting process, is the major resource for vanadium extraction. Vanadium mainly exists in the form of FeV 2 O 4 spinel. There are several methods to extract vanadium from vanadium slag, molten NaOH roasting method, and roasting–leaching methods [5, 6].

on the extraction of valuable metals from EAF slag. It consists of co-grinding the slag with alkaline reagents (NaOH, KOH and NaOH+ Na 2 CO 3 and KOH + K 2 CO 3) followed by heating the mixture to 600–800° C and leach-ing. The valuable metals were recovered by LDH. In this article, only the results of the leaching of valuable metals are ...

 — The technosphere consists of material stocks accumulated by human activities, which can include processing residue, such as slag. Various smelting processes generate slag, and some valuable elements are concentrated in this by-product. In this review, the extraction of critical and strategic metals from non-ferrous slags is discussed. …

 — Granulated blast furnace slag (GGBFS) is a potential resource of rare earth elements (REEs), and due to the complex mineralogy, extraction by conventional hydrometallurgical process makes it an acid-consuming method. Bioleaching is thus investigated using a chemo-organotrophic bacterium Gluconobacter oxydans (DSMZ …

Our 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 …

 — The present work is part of an investigation towards the development of a process route for the extraction of metal values from slag, low grade ores and other oxidic materials such as spent ...

 — The blast furnace smelting process for vanadium titania-magnetite is shown in Fig. 1.The low concentration of TiO 2 with about 1.5 wt.% in the primary mineral can be enriched into titania-bearing slag with more than 20 wt.% TiO x, 29,30 as shown by the composition range in Table I; other oxides including CaO, MgO, SiO 2, and Al 2 O 3 are …

 — Slag is the by-product of iron- and steelmaking processes. Normally, around half to one tonne of slag would be generated for yielding one tonne of rolled iron or steel (Lobato et al. 2015).It was reported that the world steel production was 1.9 billion tonnes in 2016, which suggested that at least around 1 billion tonnes of slag is produced during …

 — Hsu et al (2019). Advancements in the Treatment and Processing of Electronic Waste with Sustainability: A Review of Metal Extraction and Recovery Technologies. Green Chemistry. Kaya, M (2016). Recovery of metals and nonmetals from electronic waste by physical and chemical recycling processes. Waste management. …

Timesavers' machines for heavy slag removal. Timesavers is specialized in deburring machines, edge rounding machines, precision grinding machines, finishing machines and of course heavy slag removal machines. For the latter, we offer the following series, ranging from small to large: 10 series – Manual Grinder

 — This work concerns the development of a process based on the extraction of valuable metals from EAF slag. It consists of co-grinding the slag with alkaline reagents …

 — High pressure oxidative acid leaching (HPOXAL) was employed to extract valuable metals from nickel converter slag. Parameters such as sulfuric acid concentration, temperature, liquid/solid (L/S) ratio, leaching time, oxygen partial pressure and particle size were investigated to optimize the solubility of metal values and improve the solid–liquid …

ECOFERTEC is designing customized steel slag processing and metal recovery plants for each project-specific purposes. The newest technology ECOFERTEC slag processing plant enables the most cost-effective way …