milling and flotation of slow cooled copper slag

Dore slag treatment - Noranda Mines Limited

For example, they can be cooled in the air or slow cooled in induction furnaces or water quenched before they are milled and subjected to froth flotation. The copper recovery from the converter slags will largely depend on this initial cooling treatment.

Research of Laws Pyrite-Bearing Slag Flotation of Copper ...

extract copper from free-milling crystallized copper slag aggregates [1, 2]. Flotation copper ground to 0.074 mm class minutes slag is carried out on the circulating water in an alkaline medium created lime [3]. Extracting copper flotation of refractory bad- devitrified lag does not exceed 45-60% on average from the dump and 76% of the converter

The Effect of Bed Thickness and Cooling Time on the Rate ...

The Effect of Bed Thickness and Cooling Time on the Rate of Copper Slag Cooling, Case Study: Khatoonabad Copper Smelter Plant Abstract Within the past few decades, slags are remarked as the wastes polluting the environment. Nowadays, they are not only considered the waste but also regarded as valuable resources of base metals.

copper slag flotation machine

Ferric leaching of copper slag flotation tailings. Copper can be recovered from the slags by froth flotation after cooling, crushing, and grinding. The obtained Cu-concentrate is sent to the pyrometallurgical process. If grinding is not fine enough for efficient flotation, copper is lost in tailings. In this paper, the ferric leaching of slag ...

How to Recover Copper from Slag by Flotation

However, recovery of copper was about 4 percent lower for the high copper slag (sample C) and 23 percent lower for the low copper slag (sample A). Flotation tailings from the quenched slags ranged from 0.53 to …

copper slag flotation process description

Milling And Flotation Of Slow Cooled Copper Slag. Milling And Flotation Of Slow Cooled Copper Slag. Floatation processing plantflotation process-daiwo machinerye supply the copper beneficiation plant including the magnetic separator, flotation machine, spiral chute, shaking table, rotary kiln and rotary dryer and so one can design the minerals upgrading solution for …

Recovery of cobalt, nickel, and copper from slags, using ...

Slags are sometimes treated by slow cooling, milling, and flotation. This approach is satisfactory when the metals in the slag are in either the sulphide or metallic form, but is not suitable for the recovery of oxidized metals.

Copper Recovery Through Smelter Slag Flotation in Atacama ...

Another aspect that can affect both the milling and flotation of CS is the cooling behavior of the slag. Several researchers have reported that slow cooling of the slag can lead to an improvement in copper recovery because of the segregation of some valuable elements such as copper, silver, and 2 of 8I NGENIER´IA E I NVESTIGACION´VOL . 41 N O

Recovery of metal values from copper slag and reuse of ...

According to them, using a two-stage flotation process, 80–87% Cu can be recovered from the copper slag. Using additives with ground copper slag, Guo et al. (2016) performed re-melting followed by flotation and magnetic separation to recover Cu and Fe. They indicated that a slow cooling of the molten product helped in enhancing metal recoveries.

Processing of copper converter slag for metal reclamation ...

Laboratory flotation tests of slow cooled converter slag have showed that 92.5% copper recovery at the copper cut-off grade of 24-25% can be achieved by using a 50:50 ratio of DSP330 and SIBX ...

Recovery of Copper from Reverberatory Copper Slag and ...

concentrate, various mining operations have initiated the recovery of copper from dumped slag. The typical process uses crushing, milling and flotation. These operations create excessive liner wear rates during crushing and milling because the bond work index of copper slag is 22 kWh/t and this is considered a very hard slag.

1526 Free Milling Gold Ore Equipment

Milling And Flotation Of Slow Cooled Copper Slag. Milling and flotation of slow cooled copper slag equipment . milling and flotation of slow cooled copper slag copper mine milling process equipment buy 100 ton . Fiash Furnace Slag Converter Slag Slag Cooling stpd 9 copper Copper 1526 1.80 27.5 396 7.00 27. Details

"Physicochemical characterization of copper slag and ...

recovery. Thus a discussion of slag cleaning is only relevant to sulphide smelters [8, 9]. Two cleaning techniques are in common use in sulphide smelters, electric furnace processing under reducing conditions and slow cooling and flotation. Metals recovered include copper, gold, nickel, cobalt and PGM's [10, 11]. Table 2.

Copper Recovery Through Smelter Slag Flotation in Atacama ...

copper grade of 16,11% and copper recovery of 69,90% was achieved. The copper grade on tailings was only 0,2%. Another aspect that can affect both the milling and flotation of CS is the cooling behavior of the slag. Several researchers have reported that slow cooling of the slag can lead to an improvement in copper recovery because of the ...

Copper Recovery Through Smelter Slag Flotation in Atacama ...

Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization of the copper slag, along with preliminary flotation tests. This article focuses on industrial flotation, which consisted of two oneyear campaigns (2016 and 2017).

Copper Smelting - Metallurgist & Mineral Processing Engineer

Copper in the slag is largely in the form of metallic copper and good recovery by flotation can be obtained by slow cooling the slag at ambient temperature to promote copper crystal growth. More study is needed to determine the optimum cooling cycle for maximum copper crystal growth.

DETERMINATION OF THE BEHAVIOUR OF VALUABLE METALS …

cooling), and N 2 natural convection (slow cooling). Finally, after solidification, representative samples of formed matte and remaining slag were taken and characterized by using optical microscopy, SEM, XRD, XRF and ICP. Copper Slag Processing: controlled cooling of copper slags prior to flotation treatment

SUSTAINABILITY OF COPPER SLAG PROCESSING FROM NEW - …

The process of treating smelting slag includes: slow cooling, crushing, grinding and flotation. After the cooling process is obtained by copper slag with maximum grain size 150 mm, wherein an average copper content of 2 % and which can be further treated with flotation process.

molybdenum recovery from the copper processing

Froth flotation circuit design and basic testwork requirements Froth flotation is a very important mineral concentration process that is used to recover a vast array of different minerals containing valuable commodities such as copper, lead, zinc, nickel, molybdenum,...

T.T. Chen

Laboratory Test Works and Plant Trials for Milling and Flotation of Slow Cooled Copper Slag 471 P. Tan An Experimental Study of Chemical Oxygen Demand Removal from the Coking Wastewater Using Three-Dimensional Electrode Reactor 479 L. Zhang, G. Xue, andJ. Hwang Behavior of Various Impurities during the Precipitation of Hematite from Ferric

Recovery of Copper from Slow Cooled Ausmelt Furnace Slag ...

The recovery of copper by floatation from slow cooled Ausmelt furnace slag was studied in this paper. The phases and composition of the slow cooled slag were analyzed. The factors which affected the copper recovery efficiency such as grinding fineness, pH value of flotation medium, different collectors and floating process were investigated.

RECOVERY OF COPPER FROM COPPER SLAG AND COPPER …

Abstract: Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide. Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings.

Effect of Cooling Rate and Slag Modification on the Copper ...

10%Milling and froth flotation methods are quite common when dealing with slow-cooled slags. Before flotation, the slag needs to be cooled in a controlled manner. There are multiple options for this, such as natural cooling, casting mill cooling, water quenching, and slow cooling in a ladle [ 12 ].

The effect of primary copper slag cooling rate on the ...

Technological procedure of slow cooling slag from primary copper production is applied in the purpose of copper recovery in the level of 98.5% to blister. This technological procedure is divided into two phases, first slow cooling of slag on the air for 24 hours, and then accelerated cooling with water for 48 hours. Within the research following methods were used: calculation …

CN104550892A - Novel welding slag ladle suitable for slow ...

The invention provides a novel welding slag ladle suitable for a slow cooling process of copper slag. The novel welding slag ladle comprises a ladle body, a ladle bottom and a plurality of ladle feet, wherein the ladle body is pressed into a whole; the ladle bottom is welded at the bottom of the ladle body; the ladle feet are welded at the bottom of the ladle bottom; a …

Improvement of Carbothermic Reduction of Copper Smelting ...

by flotation technology after slow cooling and grinding of the copper smelting slag. The hydrometallurgical leaching method can extract most of the valuable nonferrous metals from various grades of raw or pretreated copper smelting slag by H 2SO 4, HCl, NH 4Cl, Cl 2, etc. Furthermore, cop-per smelting slag can be directly used as raw materials for

COBALT RECOVERY FROM SOUTHERN AFRICAN COPPER …

collected. Other conventional recovery techniques, such as slow cooling of the slag, followed by milling and flotation, are also inappropriate for the recovery of oxidized metals dissolved in slag. Conditions need to be sufficiently reducing to recover a significant fraction of the cobalt present. These conditions can be

[PDF] Optimization of the flotation of copper smelter ...

Corpus ID: 112238258. Optimization of the flotation of copper smelter slags from Namibia Custom Smelters' slag mill plant @inproceedings{Sipunga2016OptimizationOT, title={Optimization of the flotation of copper smelter slags from Namibia Custom Smelters' slag mill plant}, author={E. Sipunga}, year={2016} }

Proceedings of the 5th Slag Valorisation Symposium

controlled cooling, grinding and froth flotation, where the cooling rate is an important variable of control because it has effects on sedimentation and coalescence of the entrained valuables, and crystallinity of the slag matrix, as well. As a result of the controlled cooling stage, a sulphur phase of copper matte precipitates and solidifies,

Effects of fluxing conditions on copper smelting slag cleaning

°C) with 2–3 wt% Cu remaining in the smelting slag. At present, the recovery of copper from slag is processed by slow cooling, milling and flotation at Fangyuan. Bottom blown oxygen copper smelting technology has demonstrated great potential and will be transferred to other plants around the World.

Upgrading copper slag cleaning tailings for re-use ...

Tailings from an industrial copper slag cleaning milling and flotation circuit have been pre-reduced at low temperatures, well below its melting point, using CH 4 -H 2 -Ar mixtures with the aim of metallizing its iron oxide component to metallic iron.

THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY …

Mihajlović - The effect of cooling rate of slag from primary copper production … 129 In Table 1 an overview is given of copper content in flotation tailings in smelters which process slag by flotation. Table 1. Copper content in flotation tailings in different smelters Smelter %Cu Almalykskii, Russia 0,27 Garfield, USA 0,48 Guixi, China 0,50

flotation of copper slag in italy

copper flotation from converter slags in italy. flotation of pgm converter slag MC Machinery,copper slag flotation plant Copper Flotation Plant Overview copper slag flotation plant YouTube 04062019 2012 laboratory test works and plant trials for milling and flotation of slow cooled copper slag in ttflotation of pgm converter slag copper slag washing plant …

Effect of Cooling Rate and Slag Modification on the Copper ...

To sum up, a decrease in the slag cooling rate extends the time for the copper and matte droplets to grow and settle before the final solidification of the silicate slag matrix. This temperature range (1000 °C–1300 °C) should be controlled carefully for better recovery of copper in the subsequent mill- ing and flotation steps.