Copper recovery by flotation | JOM

"The Noranda Process for Continuous Smelting and Converting of Copper Concentrates", paper presented at 1971 TMS-AIME Annual Meeting, TMS Paper Selection A-71-76. Wartman, F.S., and Boyer, W.T.; The Forms of Copper in Converter Slags, U.S. Bureau of Mines, Report of Investigations 2985, January 1930.

Leaching of Metals from Flotation Tailings of a Copper Smelter Slag …

The recommended technological parameters for leaching of copper (the most important component) from converter slag flotation tailings are: pulp density of 30% (w/v), pH 1.5, temperature of 70 °C ...

Recovery of Copper and Cobalt from Converter Slag with a New Flotation

The recommended technological parameters for leaching of copper (the most important component) from converter slag flotation tailings are: pulp density of 30% (w/v), pH 1.5, temperature of 70 °C ...

Recovery of Copper and Cobalt from Converter Slags via …

Large amounts of solid wastes are produced in copper and aluminum smelting processes, which not only cause losses of valuable resources but also threaten the ecology and environment. In this study, a reduction–sulfurization smelting method was used for recovering Cu and Co from converter slags by using spent pot lining (SPL) as the …

Converter Slag

Copper converter slags contain 1%–9% Cu, 1%–2% Ni, and 0.4%–0.8% Co depending on the grade of the feed concentrates. ... Bioleaching of tailings and slag from a flotation and smelting plant to recover copper and nickel was also tried using A. ferrooxidans [78]. From flotation tailings about 16% Cu and 45% Ni could be extracted.

Synergism effect of collectors on copper recovery in flotation …

Abstract Study on the effect of collectors synergism on flotation recovery of copper from copper smelting slags has been described in this paper. After analysis of flotation tests, modeling of copper recovery from slags containing this metal was done. Following the model validation, optimization of effective parameters on Cu recovery was …

Recovery of Copper and Cobalt from Converter Slags via …

Aiming at the recovery of copper from smelting slag, a flotation approach was studied. It was found that this slag composed of fine particles with complex association and distribution, in which … Expand

Comprehensive review on metallurgical recycling and cleaning of copper slag

The flotation of copper slag can effectively recover copper, without recycling other valuable metals in the copper slag. However, this process requires a much higher water content and offers relatively low environmental benefits. ... Pressure leaching of copper converter slag using dilute sulphuric acid for the extraction of cobalt, nickel …

How to Recover Copper from Slag by Flotation

Flotation of Copper From Slow-Cooled Converter Slags. The results of flotation tests on slags cooled in air and in the induction furnace are shown in table 2-3. Examination of the data indicates that a relatively fine grind is required to liberate the entrained metallic particles. A 30-minute grind resulted in 98 percent of the pulp passing 200 ...

Flotation of copper from converter slags | Semantic Scholar

Semantic Scholar extracted view of "Flotation of copper from converter slags" by G. V. Rao et al.

A comprehensive review on the recovery of copper values from copper slag

The global production of copper slag from the smelters is about 21.1 Million Tonnes (MT), the copper content of which lies in the range of 0.5–2% [122]. Significant amounts of copper values and other metals, such as Pb, Zn, Co, Ni, Mo, etc., are lost in the slag. These constituent elements are non-biodegradable and toxic, detrimental to ...

Recovery of Copper from Converter Slags by Flotation.

The report describes laboratory batch flotation tests conducted on copper converter slags to evaluate the relative merits of recovering copper from slow-cooled versus water …

Recovery of Copper and Cobalt from Concentrate and Converter Slag

Abstract. This study was designed to recover copper and cobalt hydrometallurgically from an enriched concentrate of flotation and converter slag. Three slag samples collected from the Ergani ...

Leaching of copper and zinc from copper converter slag flotation

Over 1.5 Mt of dumped slags, including converter slag flotation tailings, which contain up to 6000 t copper and 60,000 t zinc, are produced yearly by the copper-smelting plants of the Ural Mining and Metallurgical Company (UMMC) alone. Significant areas required for stockpiling of the slags and the products of their processing are unavailable ...

Copper recovery from copper slags through flotation …

In this study, a facile process for recovering copper from copper slags through flotation enhanced by sodium carbonate synergistic mechanical activation has …

Leaching of copper and zinc from copper converter slag flotation

Indirect leaching of copper converter slag flotation tailings with a biogenic ferric iron lixiviant generated using a moderately thermophilic acidophilic chemolithotrophic consortium resulted in ...

Copper recovery from copper slags through flotation

The regulator used was anhydrous sodium carbonate provided by Sinopharm Chemical Reagent Co., Ltd, China. Both SBX and terpineol are industrial-grade, while the sodium carbonate is analytical-grade. The copper slag samples used in this study were the mixture of converter copper slags and old slags. Flotation principle

Effect of Cooling Rate and Slag Modification on the Copper …

The amount of copper flash smelting slag has increased during the recent years along with an increasing slag-to-metal ratio. During slag tapping, some copper sulfide is mechanically entrained. As a result, it is necessary to recover copper matte from the slag by suitable methods. At present, the most common way is slow, controlled …

A novel slag cleaning method to recover copper from molten copper …

The slag cleaning result is shown in Fig. 13. After direct heating and melting at 1300 °C for 60 min, approximately 71.32% of the copper was recovered from the copper converter slag. However, the content of copper in the tailing was 1.42 wt.%, which needed to be recovered again.

Enhancing the flotation recovery of copper minerals in …

It is interesting to note that copper in the converter and TSL slags is generally much higher than the copper content found in primary copper ore, which is …

Recovery of Copper from Converter Slags by Flotation.

The report describes laboratory batch flotation tests conducted on copper converter slags to evaluate the relative merits of recovering copper from slow-cooled versus water-quenched slags. Three slags containing 1.6, 5.0, and 6.6 percent copper were used.

How to Recover Copper from Slag by Flotation

The three converter slag samples used in the investigation were obtained from a western smelter. Chemical analyses of the respective slags are … See more

Copper Recovery from Copper Slags through Flotation

Massive amounts of waste copper converter slags have been produced from pyrometallurgical extraction of copper from copper concentrates, and the disposal of them in landfills creates serious ...

Enhancing the flotation recovery of copper minerals in smelter slags

Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes ...

Ferric leaching of copper slag flotation tailings

The pyrometallurgical production of copper generates slags, a residue with a significant content of this metal. Copper can be recovered from the slags by froth flotation after cooling, crushing, and grinding. ... Flotation of copper from converter slags. Journal of Mine, Metal and Fuels, 40 (3–4) (1992), p. 131. Google Scholar. Romero et al ...

The Recovery of Copper from Smelting Slag by Flotation …

Consequently, flotation was attempted to recycle Cu in slag containing copper sulphide components. Three key factors affecting flotation were ascertained, …

Enhancing the flotation recovery of copper minerals in smelter slags

It is interesting to note that copper in the converter and TSL slags is generally much higher than the copper content found in primary copper ore, which is typically between 0.5 and ~2 wt%, making this material …

Review on Comprehensive Recovery Valuable Metals and

Shamsi et al. [] studied the effect of copper slag particle size on the flotation effect, the highest copper recovery efficiency of 79.89%was achieved when the grinding time was 80 min and the grinding size was 48 μm [].Sibanda et al. [] controlled the size of copper slag and flotation reagents to improve copper recovery by 16% when the …