copper slag recovery

Pyrometallurgical recovery of copper from slag material ...

A cyclic, two-stage process is disclosed for pyrometallurgical recovery of copper as a high-grade matte from molten slag material containing both dissolved and/or entrained copper values. A charge of the copper-bearing slag material is treated in the first stage of the process with a hydrocarbonaceous or hydrogenous reductant in a rotary ...、、-Research status and ...2020-10-20 · The article analyzes the current economic recovery of iron in copper slag and the research status and existing problems of the recovery of lead and zinc in slag by fire or wet methods. Prospects for comprehensive recycling.,,,,.、、 [J].,2021,30 (5 ...

RECOVERY OF COPPER FROM SMELTING SLAG BY …

2015-11-11 · Recovery of copper from smelting slag by sulphation roasting and water leaching 411 Materials and experimental methods Experiments were conducted using a reverberatory furnace slag from the Bor Copper Concentrator, Serbia. The slag was sampled from the crushing line before entering the milling section of the concentrator.Processing of copper converter slag for metal reclamation ...Clean processing of copper converter slag to reclaim cobalt and copper could be a challenge. An innovative and environmentally sound approach for recovering valuable metals from such a slag has been developed in the present study. Curing the slag with strong sulphuric acid, without re-smelting or ro …

TMS International

Copper Slag Services . With global operations, TMS International offers slag pot carrying services to copper producers around the world. Although each individual smelter has its own unique configuration and layout, we have the appropriate machinery, engineering and capabilities to provide industry proven solutions with safety as our priority.Recovery of copper and cobalt from ancient slag - Gülay ...2006-4-1 · About 2.5 million tonnes of copper smelter slag are available in Küre, northern part of Turkey. This slag contains large amounts of metallic values such as copper and cobalt. A representative slag sample containing 0.98% Cu, 0.49% Co and 51.47% Fe was used in the experimental studies.

2-Recovery of Copper and Cobalt from Copper Slags as …

2017-12-19 · recovery of Cu and Co from copper slag obtained from Kastamonu Kure region. Mixtures of copper slag, pyrite and copper concentrate were subjected to roasting at high temperature in a closed medium and then, they were roasted at 600 °C for different time D …Recovery of Valuable Metals from Copper Slag by ...A novel hydrometallurgical method was developed to recycle valuable metals of Si, Fe and Cu from copper slag. The leaching rates of 98%, 99% and 91% for SiO2, Fe and Cu, respectively, were obtained under optimized parameters: solid-to-liquid ratio is 1:10; concentration of hydrochloric acid is 35%; the reaction time is 2 hours and at 80-90°C.

Recovery of molybdenum from copper slags — Tohoku …

Recovery of Mo from Chilean copper slags is quite attractive to secure a stable Mo supply. The feasibility of the recovery of Mo from copper slags as Fe-Mo alloys by carbothermic reduction is investigated in the present study. Mo in the copper slag is …Pyrometallurgical recovery of copper from slag material ...A cyclic, two-stage process is disclosed for pyrometallurgical recovery of copper as a high-grade matte from molten slag material containing both dissolved and/or entrained copper values. A charge of the copper-bearing slag material is treated in the first stage of the process with a hydrocarbonaceous or hydrogenous reductant in a rotary ...

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

Copper slag was characterized and processed. The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis. Carbothermal reduction at elevated temperature (near 1440°C) helped recover a majority of the metal values (e.g., Fe, Cu and Mo) into the iron-rich alloy product ...Recovery of metal values from copper slag and reuse of ...2017-12-1 · Recovery of copper from copper slag by physical beneficiation using froth flotation was studied by Sarrafi et al. (2004). They used mercaptobenzothiazole (MBT) collector to recover the copper from the ground copper slag and indicated that a slow-cooled slag would be more favorable for better copper recovery.

2-Recovery of Copper and Cobalt from Copper Slags as …

2017-12-19 · recovery of Cu and Co from copper slag obtained from Kastamonu Kure region. Mixtures of copper slag, pyrite and copper concentrate were subjected to roasting at high temperature in a closed medium and then, they were roasted at 600 °C for different time D …SKL | XinyangMeng, YuLi, HongyuWang, YindongYang, AlexMclean:Effects of Na2O Additions to Copper Slag on Iron Recovery and the Generation of Ceramics from the Non-magnetic Residue. Journal of Hazardous Materials. 2020, 399(12): …

Recovery of Copper from Copper Slag by …

2021-8-26 · Keywords: Recovery, Copper slag, hydrometallurgy method, Leaching, precipitation Abstract In this research, the recovery of copper from copper slag is investigated using hydrometallurgy method. Slag samples were taken from Al-Shaheed State Company. The results of the chemical analysis showed that the slag contained 11.4% of copper pper Slag Recovery - Cal-Chem MetalsCopper Slag Recovery. Cal-Chem Metals is currently purchasing copper bearing slag from a variety of industries including copper rod mills, copper tube mills and other industries where there is a need to melt copper. A byproduct of copper melting is the production of slag. Cal-Chem purchases this waste stream material and brings it to their ...

Recovery of Copper from Copper Slag by Hydrometallurgy ...

In this research, the recovery of copper from copper slag is investigated using hydrometallurgy method. Slag samples were taken from Al-Shaheed State Company. The results of the chemical analysis showed that the slag contained 11.4% of copper. The recovery process included two stages; the first stage is leaching using diluted sulfuric acid. The most important variables that …Heavy Metal Recovery from Slags of Copper Production …2021-8-17 · 4 Slag cleaning by using additives The copper recovery from slag during smelting is generally related to the settling be-haviour of the matte. The settling velocity mainly depends on the size of the particles. Metallic/matte droplets with a big diameter settle very fast, smaller particles settle much slower to the ground of the bath.

Recovery of Valuable Metals from Copper Slag by ...

A novel hydrometallurgical method was developed to recycle valuable metals of Si, Fe and Cu from copper slag. The leaching rates of 98%, 99% and 91% for SiO2, Fe and Cu, respectively, were obtained under optimized parameters: solid-to-liquid ratio is 1:10; concentration of hydrochloric acid is 35%; the reaction time is 2 hours and at 80-90°C.Recovery of Copper from Reverberatory Copper Slag and ...2016-6-8 · The optimum digestion temperature is 250oC, at which a high recovery of copper from copper slag is achieved. Figure 7. Copper in the residue at various digestion temperatures. Effect of Digestion Time at 250oC Figure 8 shows that 2 hours of digestion at 250oC was adequate. 0 20 40 60 80 100 120 140 160

Recovery of Copper from Reverberatory Copper Slag and ...

2016-6-8 · The optimum digestion temperature is 250oC, at which a high recovery of copper from copper slag is achieved. Figure 7. Copper in the residue at various digestion temperatures. Effect of Digestion Time at 250oC Figure 8 shows that 2 hours of digestion at 250oC was adequate. 0 20 40 60 80 100 120 140 160(PDF) Recovery of iron from copper slag | Urtnasan ...A Study on the Recovery of Iron from Copper Slag with [14] Y. Liao, J. Zhou, F. Huang, Separating and recycling of Fe, Temperature, International Journal of Applied Engineering Cu, Zn from dumped copper slag by microwave irradiation Research, Number 2, 977-982 (2018).

RECOVERY OF METAL VALUES FROM COPPER SLAG

What is claimed is 1. A process for the recovery of metal values from copper smelter slag material which comprises mixing with agitation a unit part by weight of slag and about a unit part by weight of concentrated sulfuric acid to form an acid-slag mixture, incorporating in the acid-slag mixture about a unit part by weight of water, and allowing the mixture to react to produce a dry, solid ...RECOVERY OF COPPER FROM SMELTING SLAG BY …2015-11-11 · Recovery of copper from smelting slag by sulphation roasting and water leaching 411 Materials and experimental methods Experiments were conducted using a reverberatory furnace slag from the Bor Copper Concentrator, Serbia. The slag was sampled from the crushing line before entering the milling section of the concentrator.

Reduction and dilution of melting copper slag by blowing ...

2019-1-14 · The final recovery rate of copper in experiment was 89.09%. Key words: waste cooking oil, copper slag, reduction, dilution, viscosity : ...Slag/Dross Recovery-The commonly-seen slag/dross/residue includes copper dross, lead dross, tin slag, zinc leaching residue, antimony/arsenic dross, cadmium residue/cake, sulfur residue/cake, vanadium slag, nickel slag, iron tailing and iron bearing red-mud waste.Metalcess is a professional company offering metal extracting/ recovery/ recycling solutions. We have rich experience in slag …

Investigation on Recovery of Copper from Smelting Slag …

2021-10-25 · WANG Pengcheng, WANG Hongcheng, DOU Sunping, WANG Shuai, ZHU Xianwen. Investigation on Recovery of Copper from Smelting Slag by Asynchronous Flotation[J]. Conservation and Utilization of Mineral Resources, 2021, 41(5): 118-122. doi: 10Copper Recovery in Smelting Slag Recycling2015-4-21 · Copper smelting slag is the solid waste generated in the process of smelting copper. Due to the limitations of the smelting technology, most of the copper smelting slag contains a certain amount of copper. Disposing and …

Copper Smelting Slag Recovery

Indium/Cadmium Recovery. Copper Smelting Slag. Copper smelting slag is produced from copper pyrometallurgy (both smelting and converting stages), usually grading at 0.3-3%. The slag may also contains lead & zinc minerals like galena, sphalerite. Copper mainly dwells in the slag in the form of bornite, chalcocite, chalcopyrite, and metallic ...(PDF) Recovery of metal values from copper slags by ...2022-2-4 · The recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated. A fayalitic-type of ancient copper slag containing 1.24% Cu, 0.53% Co and 53.16% Fe ...

Improvement of Carbothermic Reduction of Copper …

slag and is discarded after copper recovery. It is well known that China has the largest iron and steel output in the world. The iron ore used in ironmaking relies heavily on imported resource for Chinese steel industry. Therefore, there is the potential to use the copper smelting slag as raw material resource for ironmaking.Processing of copper converter slag for metal reclamation ...Clean processing of copper converter slag to reclaim cobalt and copper could be a challenge. An innovative and environmentally sound approach for recovering valuable metals from such a slag has been developed in the present study. Curing the slag with strong sulphuric acid, without re-smelting or ro …

Recovery of Copper from Copper Slag by …

2021-8-26 · Keywords: Recovery, Copper slag, hydrometallurgy method, Leaching, precipitation Abstract In this research, the recovery of copper from copper slag is investigated using hydrometallurgy method. Slag samples were taken from Al-Shaheed State Company. The results of the chemical analysis showed that the slag contained 11.4% of copper vestigation on Recovery of Copper from Smelting Slag …2021-10-25 · WANG Pengcheng, WANG Hongcheng, DOU Sunping, WANG Shuai, ZHU Xianwen. Investigation on Recovery of Copper from Smelting Slag by Asynchronous Flotation[J]. Conservation and Utilization of Mineral Resources, 2021, 41(5): 118-122. doi: 10

Heavy Metal Recovery from Slags of Copper Production …

2021-8-17 · 4 Slag cleaning by using additives The copper recovery from slag during smelting is generally related to the settling be-haviour of the matte. The settling velocity mainly depends on the size of the particles. Metallic/matte droplets with a big diameter settle very fast, smaller particles settle much slower to the ground of the bath.EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN …2015-9-7 · Copper is present in a smelting slag from Teniente Converter (TC) in the form of mecha-nically entrained matte inclusions and dissolved copper. Copper recovery from the slag requires magnetite reduction to liberate matte inclusions and create conditions for co-reduction of dissolved cuprous oxide. Efficiency of copper recovery from the slag in an

Copper Slag Recovery

Copper Slag Recovery. Cal-Chem Metals is currently purchasing copper bearing slag from a variety of industries including copper rod mills, copper tube mills and other industries where there is a need to melt copper. A byproduct of copper melting is the production of slag. Cal-Chem purchases this waste stream material and brings it to their ...RECOVERY OF COPPER FROM COPPER SLAG AND …2014-9-8 · Recovery of copper from copper slag and copper slag flotation tailings 77by oxidative leaching Leaching with ferric sulphate The slag and the slag flotation tailings were leached with ferric sulphate in 1 M sulphuric acid. The ferric iron concentration was varied in the range from 5 g/dm3 to 40 g/ dm 33and ...

Recovery of Copper from Copper Slag by …

2021-8-26 · Keywords: Recovery, Copper slag, hydrometallurgy method, Leaching, precipitation Abstract In this research, the recovery of copper from copper slag is investigated using hydrometallurgy method. Slag samples were taken from Al-Shaheed State Company. The results of the chemical analysis showed that the slag contained 11.4% of copper pper Slag for the Recovery of Metals and Valorisation …2020-8-3 · minerals Article E ciency of Chemical and Biological Leaching of Copper Slag for the Recovery of Metals and Valorisation of the Leach Residue as Raw Material in Cement Production Päivi Kinnunen 1,*, Jarno Mäkinen 1, Marja Salo 1, Ratana Soth 2 and Konstantinos Komnitsas 3 1 VTT Technical Research Centre of Finland Ltd, Visiokatu 4, 33101 Tampere, Finland; …

Recovery of metal values from copper slag and reuse of resid…

(PDF) Recovery of metal values from copper slags by Recovery of copper from copper slag using a microbial …Wei-ping Liu and Xia-fei Yin, Recovery of copper from copper slag using a microbial fuel cell and characterization of its electrogenesis, Int. J. Miner. Metall. Mater., 24(2017), No. 6, pp. 621-626.

Recovery of copper from copper slag using a microbial …

The electrogenesis performance of the DMFC and its ability to extract copper from the copper slag leachate were investigated. The results demonstrated that the maximum voltage was 540 mV when the DMFC achieved steady-state operation. The removal rate of copper ions was greater than 80.0%, and the maximum value was 92.1%.EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN …2015-9-7 · Copper is present in a smelting slag from Teniente Converter (TC) in the form of mecha-nically entrained matte inclusions and dissolved copper. Copper recovery from the slag requires magnetite reduction to liberate matte inclusions and create conditions for co-reduction of dissolved cuprous oxide. Efficiency of copper recovery from the slag in an

Deep reduction recovery of iron from copper slag | IIETA

2018-12-31 · This paper explores the effects of reductant, flux, reduction temperature and reduction time on the iron content and iron recovery rate of the deep reduction product from copper slag containing 41.47% of iron. Through a series of tests, it is concluded that reduction temperature and reduction time are leading influencing factors on the two ...RECOVERY OF METAL VALUES FROM COPPER SLAG - THE …What is claimed is 1. A process for the recovery of metal values from copper smelter slag material which comprises mixing with agitation a unit part by weight of slag and about a unit part by weight of concentrated sulfuric acid to form an acid-slag mixture, incorporating in the acid-slag mixture about a unit part by weight of water, and allowing the mixture to react to produce a dry, solid ...

Recovery of copper from copper slag using a microbial …

The microbial fuel cell, which can convert the chemical energy of organic matter into electricity via the catalytic action of microorganisms, is a novel environmentally friendly technology for wastewater treatment and energy generation. The electrical energy generated by the microbial fuel cell can be used as an alternative to a traditional external power source required to extract …Recovery of Copper from Copper Slag by Hydrometallurgy .. this research, the recovery of copper from copper slag is investigated using hydrometallurgy method. Slag samples were taken from Al-Shaheed State Company. The results of the chemical analysis showed that the slag contained 11.4% of copper. The recovery process included two stages; the first stage is leaching using diluted sulfuric acid. The most important variables that …