To comprehensively reuse copper ore tailings, the recovery of γ-Fe 2 O 3 from magnetic roasted slag after sulfur release from copper ore tailings followed by magnetic separation is performed.
WhatsApp: +86 18221755073
Recovery of iron from copper slag via modifed roasting in CO-CO 2 mixed gas and magnetic separation J. Iron Steel Res. Int., 27 ( 2020 ), pp. 796 - 806, 10.1007/s42243-020 …
WhatsApp: +86 18221755073
Molten Oxidation Followed by Gravity and Magnetic Separation. Molten oxidation is a smelting process based on oxidation reaction in a bath at temperature above 1450 °C under …
WhatsApp: +86 18221755073
Slag produced as a byproduct in industrial processes, contains considerable metals contents, which need to be recovered to avoid environmental contamination. In present review, the …
WhatsApp: +86 18221755073
Compared with the conventional flotation and reduction smelting methods for copper recovery from copper slag as shown in Table 7, this proposed method reduces the use …
WhatsApp: +86 18221755073
There are many different non-ferrous slags generated from non-ferrous smelters. Perhaps copper slag was subjected to the most extensive research work with also a long …
WhatsApp: +86 18221755073
The mineral processing method to recover copper from copper slag has increasingly become indispensable in pyrometallurgical copper smelting due to its high recovery rate, stable production, and low energy consumption. ...
WhatsApp: +86 18221755073
Converter copper slag can be viewed as an important secondary resource for valuable metals, considering its high commercial value. The current research investigates the …
WhatsApp: +86 18221755073
A novel process is proposed in this paper for a green and efficient utilization of copper slag. The basic premise involved the addition of different amounts of Na 2 O into molten …
WhatsApp: +86 18221755073
continuous slag cleaning showed fast slag reduction and confirmed the improved metal removal from the slag. Simulation and laboratory test results show potential for use
WhatsApp: +86 18221755073
The goal of oxidation is to recover the magnetic metals. When copper slag is fully oxidized in air at 1450 °C, the grain size of the magnetite phase can be controlled at a cooling …
WhatsApp: +86 18221755073
To improve the recovery of copper, the viscosity of copper molten slag is decreased by the reduction of magnetic iron, which, in turn, accelerates the settling and …
WhatsApp: +86 18221755073
Copper slag is a waste generated from pyro-metallurgical production of copper (Potysz et al., 2015).Typically, copper smelting slag contains about 1 wt.% Cu and 40 wt.% Fe …
WhatsApp: +86 18221755073
A novel process to upgrade the copper slag by direct reduction-magnetic separation with the addition of Na2CO3 and CaO. Powder Technol. (2019) ... Efficient recovery of copper …
WhatsApp: +86 18221755073
The T.Fe content of the slag 3 magnetic substances in the five-stage magnetic separation is 54.10%, and the magnetic separation effect is enhanced. ... Synergetic …
WhatsApp: +86 18221755073
copper extraction from slag produced > 26. 0% copper versus slag tailings (13.5%). Carranza et al. [36] found that most of the copper-bearing species in slag flota-
WhatsApp: +86 18221755073
Therefore, concentrated solar power (CSP) could be used in the treatment of copper slag to transform fayalite into magnetite and copper sulfides and oxides into copper nodules. This is …
WhatsApp: +86 18221755073
QIU T S, ZHOU L P, LI G D. Experimental study on copper and iron recovery by direct reduction roasting-magnetic separation of copper smelting slag[J]. Metal Mining, 2020(9):202-207. …
WhatsApp: +86 18221755073
Direct reduction-magnetic separation is an efficient way to recovery iron from copper slag, where iron and copper minerals can be transformed into the desired phases (metallic Fe …
WhatsApp: +86 18221755073
To recover copper from copper slag, a novel slag cleaning method was proposed. The thermodynamics and binary phase diagram of FeO–SiO 2 were calculated first. Then, the …
WhatsApp: +86 18221755073
The Copper smelting slag (CSS) used in this experiment comes from a copper smelter in Xinjiang, China, for the CSS stockpile site photo, which can be seen in a large …
WhatsApp: +86 18221755073
Download: Download high-res image (555KB) Download: Download full-size image Fig. 1. China's ISW annual growth, publication, hazards of CSS, and the value and stockpile of …
WhatsApp: +86 18221755073
In EJET MAGNET® slag separation plant design, we could help you effective separation of slag and high-quality recycled aggregate production. ... Most of all, as 20-30% of the ash fraction is …
WhatsApp: +86 18221755073
In this work, a novel carbon-free smelting reduction process is proposed to recover valuable metals from molten copper slag, in which secondary aluminum dross is used as the …
WhatsApp: +86 18221755073
By using DR followed by a magnetic separation process for iron recovery from copper slag, Yang obtained iron powder of 92.05% iron content with an iron recovery rate of 81.01%, and ... grinding fineness of −0.074 mm …
WhatsApp: +86 18221755073
To address this issue, in this research, a novel process combining gravity separation with flotation was developed to efficiently recover copper from CSS.
WhatsApp: +86 18221755073
Eco-friendly recovery of copper from copper slag via magnetic separation followed by flotation: Experimental and mechanistic insights. Author links open overlay panel Jianjun …
WhatsApp: +86 18221755073
The copper smelting process produces plenty of copper slag every year, which is a hazardous solid waste, but a secondary resource. In the present study, the extraction of …
WhatsApp: +86 18221755073
In the current study, the selective reduction and magnetic separation technique was adopted to recover iron from copper slag. Calcium salts were used as an additive because studies reported that iron in the slag is …
WhatsApp: +86 18221755073
The fayalite in copper slag transforms into metallic iron and sodium silicate salt in the activated reduction process, after the following water-leaching and magnetic separation, …
WhatsApp: +86 18221755073