TENORM: Copper Mining and Production Wastes
Three copper smelters (San Manuel, White Pine, and Garfield) process all their smelter slag either in a conventional ore concentrator or in a stand-alone slag concentrator. The slag tailings from these operations are co-managed at on-site tailings piles with the tailings from ore beneficiation. Slag tailings ponds range from 142 to 2,270 ...
Review on Comprehensive Recovery Valuable Metals …
Copper slag, a waste solid produced in the copper smelting process, is a high-quality secondary resource with huge output. The recycling and utilization of …
Energy Efficiency of the Outotec® Ausmelt Process for Primary Copper
Vertical top-blown lance is used to inject oxygen enriched (up to 80% with 150 kPa(g)) air direct into melt. The mixture reacts in the molten bath to form a matte and slag emulsion, which ...
Concentrator
Flotation. Since 2019 Concentrator advanced from Wemco flotation cells to tank flotation cells. The final milled product at 80% passing 0.15 mm is fed to the Tankcells Flotation Plant (TFP) with capacity of 1 745 t/hr, which is a counter-current circuit, where the copper is concentrated into the overflow of the rougher, cleaner and re-cleaner ...
Outotec provides concentrator technology for slag …
The slag from this process contains 8-11% of copper. In the new concentrator the slag will then be processed to maximize copper recovery and …
Increased grinding capacity with technology from …
The purpose of the slag concentrator is to recover copper from the slag produced in the copper smelter and to return it to the copper production cycle as high-quality slag …
The Recovery of Copper from Smelting Slag by Flotation …
Published 2017. Materials Science. 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 bornite was the main copper-bearing mineral after a detailed mineralogy analysis via polarizing microscope, SEM and XRD.
Energy Efficiency of the Outotec Ausmelt Process for …
and Ausmelt Continuous Copper Converting (C3) processes. Flowsheet 3 looked at the replacement of the ESF with a Slag Concentrator (SC) to improve the overall copper recovery (Fig. 5). Once again, appli-cation of a high lance air oxygen enrichment and an intensely cooled furnace configuration were used to improve the energy …
Outotec technology chosen to help increase …
In 2019, the company produced 120,000 tonnes of copper and 26,000 tonnes of nickel. The purpose of the slag concentrator is to recover copper from the slag …
Fluxing options in the direct-to-blister copper smelting
The simulation results predicted that the copper losses to slag would be 7.9, 20.4 and 7.0% of input copper for the un-fluxed, iron oxide flux and the lime and silica fluxing scenario respectively.
Copper Mining and Processing: Processing Copper Ores
The copper concentrate is first sent through the smelting furnace to be heated up to 2,300 °F and converted into molten liquid. The heated liquid is poured into a slag-settling furnace. This step produces a combination of matte, a mixture of copper, sulfur and iron, and slag, a dense, glassy material made of iron, silica, and other impurities.
Energy Efficiency of the Outotec® Ausmelt Process …
This paper provides a summary of how the Outotec ® Ausmelt Top Submerged Lance (TSL) Process (henceforth Ausmelt Process) has been adapted to …
Copper Recovery Through Smelter Slag Flotation in …
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. ... industrial copper slag flotation campaigns, it was concluded that it is possible to ...
Outotec SMD mills to boost output at Boliden's …
Boliden Harjavalta has chosen Outotec's SMD grinding mills to improve the capacity of its slag concentrator, in Finland, the mining OEM says. Boliden Harjavalta produces high-quality metals for European industrial customers, churning out 120,000 t of copper and 26,000 t of nickel in 2019. The purpose of the slag concentrator is to ...
Outotec wins $423M Freeport copper smelter order
Outotec will design and supply the copper electrolytic refinery, the gas cleaning and sulphuric acid plant, the slag concentrator, and the effluent treatment plant. The company's Lurec technology can process higher gas concentrations than conventional smelter acid plants - up to 25% vol. SO₂ directly.
Copper Recovery Through Smelter Slag Flotation in …
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 …
Comparison of environmental performance of modern copper …
All the other species entering the slag concentrator was given the recovery of 6%. The BBR-BCC process was an exception, because otherwise the discharge slag copper would have been too high with these parameters. Thus, the recovery was increased to 93% for all the copper compounds and 20% for the others, resulting in slag with 0.6% …
Copper Concentrator Practice at Mount Isa Mines Limited, …
Chalcopyrite ore and converter slag treatment to produce copper concentrates is undertaken at the Copper Concentrator of Mount Isa Mines Limited. This concentrator was commissioned in May 1973, replacing the original No 1 Lead-Zinc Concentrator, for the processing of all chalcopyrite ore coming from Mount Isa Mine.Treatment of …
Potentially Exploitable Reprocessing Routes for Recovering Copper …
The concentrator's feed was traditionally composed of oxidized minerals of Cu and Co from the Luiswishi deposit (DR Congo). ... In USA (Arizona), the company Magma Copper was recycling slag (1.8–2.36% Cu) from the smelting of sulfide ores (0.7% Cu) and the conversion of mattes (5–7% Cu) ...
philippinse copper slag concentrator plant
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Expansion of the Mount Isa Mines Copper Concentrator …
the stockpile of slag that had developed due to high ouÑut the mine and low concentrator throughput For period of this time Hilton Concentrator operated Jameson cells In the slag cleaner duty (Dawson, Harbor, Pretlotation Penodlcally amounts of naturally floatable species of carbonaceous pyrite and talc occur in the Mt Isa copper ore.
Expansion of the Mount Isa Mines Copper Concentrator …
Copper is recovered in the Copper Concentrator from chalcopyrite ore, converter smelter slag and rotary holding furnace (RHF) slag via grinding and flotation operations.
Outotec signs EUR 360 million order for the design …
Outotec has delivered 51 Copper Flash Smelters around the world. Outotec Copper Flash Smelting is the most widely applied technology for copper smelting in the world and one of the company's Planet Positive solutions. Using this technology, Outotec's customers avoided more than 1.6 million tons of CO2 …
Kennecott Utah Copper LLC
The operational and environmental cleanup activities at Kennecott Utah Copper LLC's (Kennecott) Bingham Canyon Mine, Copperton Concentrator, Smelter, Refinery, Tailings Facility and the various ancillary facilities are regulated under a number of federal and State programs with authority to oversee the work pursued by Kennecott …
Guixi copper smelter Report | Wood Mackenzie
The technology used is Flash with double contact acid plants. Guixi is the biggest smetler in China with a capacity of 2.13Mt conc (960kt/a copper). The overall sulphur collection efficiency is ~97%. Wood Mackenzie's asset reports are built from the bottom up, incorporating a number of granular data metrics to ultimately produce our …
KAZ Minerals | Focused on copper
The copper mining process. KAZ Minerals operates six producing mines. The three mines in East Region are underground while the Bozshakol, Aktogay and Bozymchak mines are open pit. The mines generally contain sulphide ores and by-products that vary in quantities and proportions between mines. The main by-products are zinc, silver, gold and ...
Smelter
Smelting energy is generated by the exothermic reaction, which occurs because of the interaction of sulphides and coal with oxygen. The resulting melt separates into two layers in the hearth section of the furnace. The denser molten matte layer contains copper-iron sulphides below the unwanted upper slag layer which contains waste oxides.
A comprehensive review on the recovery of copper …
The recovery efficiency of copper from the converter slag was 92%, while that from the smelter slag was 54%. Herreros et al. [ 48] studied the influence of stirring …
An extraction of copper from recycling plant slag by …
An extraction of copper from recycling plant slag by using falcon concentrator. DOI: Authors: Murat Kademli. Hacettepe University. Namik Atakan Aydogan. Hacettepe University. Abstract and...
Metal biorecovery in acid solutions from a copper smelter slag
After solidification and cooling, the slag is crushed, ground and treated at the slag concentrator. Copper bearing minerals are separated in the flotation cells. The slag concentrate containing the recovered metals is filtered and recycled back to the copper flash furnace. The remaining final slag tailings are discarded from the flotation cells ...