Dewatering of Copper Flotation Tailings: Effect of Feed …
Flotation Tailings: Effect of Feed Dilution on the Thickener Performance, Mineral Processing and Extractive Metallurgy Review, DOI: 10.1080/08827508.2018.1497626 To link to this article: https ...
Sustainable utilization of copper post-flotation waste in …
The copper ore post-flotation tailings produced by froth flotation are a mixture of water, ground rocks, and chemical reagents and represent 95–99% of crushed ores; this means that for each ton of copper obtained through froth flotation, 151 tons of tailings are generated. ... The composition of ash Portland cement mortars includes two ...
Recovery of pyrite from copper tailings by flotation
Copper tailing Pyrite recovery Flotation Split ... 1 – Elemental chemical composition of the fresh tailing samples. TotalironMagnetic copper sulfur Weight, % 16.12 12.90 0.26 2.71
Mineralogical and geochemical changes of copper flotation tailings …
Mineralogical and geochemical changes of copper flotation tailings in relation to their original composition and climatic setting : implications for acid mine drainage and element mobility ... Most copper flotation tailings contain a significant amount of sulfide minerals that can generate effluent resulting from the oxidation of sulfides when ...
Reprocessing of tailing from Erdenet copper ores: …
including physical and chemical characterization of the tailing samples, flotation experiments and analysis were carried out in order to define the optimized condition of the flotation. The best recovery of tailing sample with 0.1% of Cu was 1.4% of Cu grade and 32.27% of cumulative recov-ery. Keywords: Recovery, Flotation, Copper, Tailing ...
Mineralogical characterization of copper sulfide tailings …
copper flotation tailings obtained from the mine have been reported to still contain 0.26wt% copper, which is larger than the economic grade (0.07%) for recovering single copper ele- ment [27–28]. ... composition and abundance of copper tailings. Wang and Wang [41] studied the dissemination state of copper in an old ...
(PDF) Investigation of flotation parameters for …
We conducted a 2⁴ factorial design on the main parameters that influence flotation performance. The results showed an optimum flotation condition at dosages of 80 g/t, 30g/t, and...
The Development of Innovated Complex Process for …
A sample of old pyrite flotation tailings obtained at an industrial concentrator was used. The main elements contents and mineral composition of the old pyrite flotation tailings are presented in Table 14 and Table 15 and Figure 4. The sample was milled using an LDI-65 disc eraser (Techoborudovanie, Saint Petersburg, Russia) and then mixed to ...
Acidic and Ammonium Sulphate Leaching of Historic Copper Tailings …
Brest KK, Henock MM, Guellord N, Kimpiab M, Kapiamba KF (2021) Statistical investigation of flotation parameters for copper recovery from sulfide flotation tailings. Res Eng 9:100207. Google Scholar Bulaev A, Melamud V (2020) Selective acid leaching of copper and zinc from old flotation tailings. Mater Sci Forum: 554–558
Chemical Composition Data of the Main Stages …
This paper presents a review of chemical composition data of the main stages of copper production from sulfide minerals, such as (1) copper minerals, (2) flotation tailings, (3) flotation ...
Economic potential and environmental impact of metal …
After copper recovery by flotation, the remaining part of the slag is considered waste and disposed of in the slag dump area. However, even after copper recovery, copper slag flotation tailings (CSFT) may still contain several metals in varying amounts. However, the complexity and low metal concentration have undermined the potential of CSFT.
Improving Flocculation Performance of Copper Flotation …
Large amounts of tailings are produced when copper minerals are concentrated by flotation. For instance, the flotation process is performed with water contain-ing 25–35% wt …
(PDF) Copper Upgrading and Recovery Process from Mine Tailing …
At the condition, the grade of Al and Fe were reached to 0.6 mass% and 6.6 mass% from 3.45 mass% and 3.51 mass%, respectively. Key Words : Copper, Flotation, Mine tailing, Chalcopyrite, Flotation reagent 1 INTRODUCTION Mineral resources are non-renewable and most important resources of which utilization has increased in many industries.
The production and management of coal and copper dry …
Copper mine tailings are typically flotation tailings containing ultra-fines from a low-grade copper sulphide or an oxide deposit. Typically, sulphides are crushed, milled and beneficiated by …
(PDF) Extraction of Gold and Copper from Flotation Tailings …
This study presents the novel idea of a cyanide-free leaching method, i.e., glycine–ammonia leaching in the presence of permanganate, to treat a low-grade and copper-bearing gold tailing.
Environmental Impact Variability of Copper …
Acid mine drainage and potentially toxic elements release are a major source of pollution in sulfide-rich mining sites. Pyrite is the most impacting mineral due to its high acidification potential when it reacts with water under …
Chemical Composition Data of the Main Stages …
This paper presents a review of chemical composition data of the main stages of copper production from sulfide minerals, such as (1) copper minerals, (2) flotation tailings, (3) flotation concentrates, (4) slags and (5) flue …
Mineralogical characteristics of copper smelting slag …
Flotation is a common method widely used to recover copper sulfide and metallic copper from CSS because of its low cost, short process, and excellent recycling effect [6].More than 15.0 million tons of CSS are treated by flotation in China every year [7].Slag concentrates and slag tailings are produced during the CSS flotation process, the former being returned to …
Statistical investigation of flotation parameters for copper …
A brief statistical analysis has shown that froth flotation is a reliable process to recover copper from flotation tailings. Collector dosage remains the main parameter affecting …
The Development of Innovated Complex Process for …
The possibility of selective Cu and Zn leaching from the sample of old pyrite tailings, which is one of the most widespread types of solid waste forming during non-ferrous metal production, using sulfuric acid solutions and water was studied. It was shown that water leaching provided selective extraction of Cu and Zn and comparatively low iron ion extraction. …
Ozone/Thiosulfate-Assisted Leaching of Cu and Au from Old Flotation …
The growing demand for metal production promotes the search for alternative sources and novel modalities in metallurgy. Flotation tailings are an important secondary mineral resource; however, they might pose a potential environmental threat due to containing toxic metals. Therefore, proper leaching reagent selection is required. Ozone is an alternative …
Flotation and Tailing Discarding of Copper Cobalt …
The mineral composition of copper–cobalt ores is more complex than that of copper sulfides, and it is also difficult to discard tailing efficiently in primary flotation for the fine-grained disseminated of ore.
Mineralogical characterization of copper sulfide tailings …
This research reveals the occurrence mechanism of copper minerals in typical copper sulfide tailings using quantitative mineral liberation analysis (MLA) integrated with …
Recovery of cobalt and copper through reprocessing of tailings …
The roughing flotation of tailings was achieved at laboratory (14 min) using a Denver D-12 mechanical machine with the impeller speed kept at 1350 rpm (Fig. 3).The yields in copper and cobalt were studied versus the reagents dosage. The reagents were introduced in the slurry to be floated while keeping constant (0.1) the ratio of dosages.
Copper Tailing
The chemical composition of copper tailings, as provided in Gupta and Thomas (2013) and Miller and Collins (1976), shows that copper tailings have low calcium oxide (CaO) at 0.16%, indicating that it has no cementitious property.
(PDF) Acid Drainage Potential of Copper Flotation Tailings …
Most copper flotation tailings contain a significant amount of sulfide minerals that can generate effluent resulting from the oxidation of sulfides when they are exposed to oxygen and water. ... or treated to generate the treated effluent to be either disposed or recycled. 3.1.1 Chemical analyses The chemical composition of five copper sulfide ...
Selective process route to recover magnetite …
The chemical composition of Sossego DAM copper tailing is depicte d in ... Most copper flotation tailings contain a significant amount of sulfide minerals that can generate effluent resulting from ...
Flotation Tailings from Cu-Au Mining (Bor, Serbia) as a
In the process of flotation of copper ore, flotation tailings containing metal sulfides are separated and represent a special challenge for the topic of mining waste management. ... The geological composition of the flotation tailings from Bor is specific. The main minerals present in the tailings include quartz, pyrite, kaolinite and alunite. ...
Chemical composition of copper mine tailing and conventional …
Shown in Table 2 is the chemical composition of copper mine tailings in comparison with conventional soil. The chemical elements found in CMT are comparable to that of other geologic resources
Mineralogical and geochemical changes of copper flotation tailings …
In the present work six flotation tailings impoundments at five flotation plants (Piuquenes, Cauquenes, El Salvador, Ojancos, P. Cerda) located in different climatic zones of Chile were selected to investigate the mineralogical and geochemical changes taking place in copper flotation tailings subsequent to sulfide oxidation, especially the formation of acid mine drainage and …