محصول

Application of electrodialysis membrane process to …

exposed to atmospheric factors. In the desulphurization of coal/mine stone as well as in the extraction of copper from abundant copper pyrite called chalcopyrite, the aim is the dissolution of pyrite. Copper and sulfuric acid are the primary products in the chalcopyrite (CuFeS 2) mining industry. A large

Sustainable Mining

In order to sustain mining operations such flotation, which rely heavily on water, chapter 3 of the dissertation looks at using alternative water sources (in this case reclaimed wastewater) in the flotation of chalcopyrite ores; this effort is to limit the mining industries dependence on fresh ground water particularly in the Southwest of ...

A Review on Novel Techniques for Chalcopyrite Ore Processing …

International Journal of Mining Engineering and Mineral Processing 2012, 1(1): 1-16 DOI: 10.5923/j.mining.20120101.01 A Review on Novel Techniques for Chalcopyrite Ore Processing Alafara A. Baba1,3,*, Kuranga I. Ayinla2, Folahan A. Adekola1, Malay K. Ghosh3, Olushola S. Ayanda4, Rafiu B. Bale5, Abdul R. Sheik3, Sangita R. Pradhan3 1 …

A Review on Novel Techniques for Chalcopyrite Ore …

1985). Hydrometallurgical processing of chalcopyrite concentrates has received considerable attention over the last three decades (Haver and Wang, 1971). Approximately 70% of the world's copper reserves are contained in the mineral chalcopyrite (Thomas, 2009). Thus, chalcopyrite, the most common ore of copper, …

Application of electrodialysis membrane process to …

water in the chalcopyrite mining industry. 2. Methods 2.1. Chalcopyrite Mining Industry Wastewater Wastewater from the flue-gas pretreatment system was obtained from a Chalcopyrite Mine in Turkey. 2.2. Electrodialysis Experimental studies were carried out with a lab-scale batch ED set up (Fig. 1) manufactured by PCCell (PCCell 64 0 04).

Chalcopyrite : (Copper) Properties, Formation, Uses, Deposits

1. Chalcopyrite is a mineral that is the most important source of copper ore.
2. It has a brassy-yellow color, metallic luster, and typically occurs as well-formed crystals with a tetragonal shape.
3. Chalcopyrite has a hardness of 3.5 to 4 on the Mohs scale, a streak that is greenish-black to black, and a specific gravity ranging from 4.1 to 4.3.

1. Chalcopyrite is a mineral that is the most important source of copper ore.
2. It has a brassy-yellow color, metallic luster, and typically occurs as well-formed crystals with a tetragonal shape.
3. Chalcopyrite has a hardness of 3.5 to 4 on the Mohs scale, a streak that is greenish-black to black, and a specific gravity ranging from 4.1 to 4.3.
4. Chalcopyrite is used primarily for copper production, as it contains copper as a major component and is processed to extract copper for various industrial applications, including electrical wiring,...

Application of electrodialysis membrane process to recovery …

As a case study of the circular economy concept, this work aims to contribute to the definition of IE and ED processes based on their combination for the integral 207 recovery of sulfuric acid and wastewater from acid wastewater in the chalcopyrite mining industry. 2. Methods 2.1. Chalcopyrite Mining Industry Wastewater Wastewater from the flue ...

Electrolytic production of copper from chalcopyrite

Here, we investigate electrolytic alternatives, reviewing the background and recent developments for four classes of electrolytes to directly decompose the most …

Process Mineralogy of the Malmyzh Deposit | Journal of Mining …

Abstract The article describes the studies into the mineralogy and process properties of ROM gold–copper–porphyry ore from the Svoboda site of the Malmyzh deposit in the Khabarovsk Krai. The tests and analysis reveal the structure and texture, and mineral composition of the ore, as well as the occurrence forms of gold and silver. The ore …

A fresh approach to sulfide ores

T he copper mining industry is reaching a turning point. Surface oxide deposits are depleting and copper miners are turning their attention to untapped sulfide ores found deeper underground. However, sulfides require more expensive processing techniques since they are not responsive to standard technologies that are used in oxide …

Chalcopyrite—bearer of a precious, non-precious metal

The mineral chalcopyrite (CuFeS2) is the world's most abundant source of copper, a metal component in virtually every piece of electrical equipment. It is the main copper mineral in several different ore deposit types, the most important of which are porphyry deposits. Chalcopyrite is unstable at the Earth's surface, so it weathers from sulphide outcrops …

Chalcopyrite

Chalcopyrite and its associated minerals were taken from the Dongchuan copper mine in Yunnan, China. The impurities and gangue minerals were manually removed to prepare single mineral of high-purity chalcopyrite. The prepared sample was soaked in 1% sulfuric acid solution for 12 h, and then naturally dried after repeated rinsing with deionized water.

Chalcopyrite

Current scenario of chalcopyrite bioleaching: A review on the recent advances to its heap-leach technology. Sandeep Panda, ... Haci Deveci, in Bioresource Technology, 2015. Abstract. Chalcopyrite is the primary copper mineral used for production of copper metal. Today, as a result of rapid industrialization, there has been …

Low-grade chalcopyrite ore, heap leaching or smelting …

Chalcopyrite, the major mineral source of copper, is commonly treated pyrometallurgically, using froth flotation, smelting, converting and electrorefining …

A Review on Novel Techniques for Chalcopyrite …

A detailed review of chalcopyrite deposits, production and consumption, mining, ore processing, steps involved in the …

An integrated insight into bioleaching performance of chalcopyrite

By measuring the variation of mineralogical and biological characteristics during the process of chalcopyrite bioleaching, it demonstrated that functional types of microorganisms made more tremendous contributions in mediating chalcopyrite dissolution than microbial diversity. ... (T·f) from acidic mine drainage, employing it as a ...

Extraction Of Copper | Mining, Concentration, Smelting

Iron in Chalcopyrite is removed as iron silicate slag. Most of the sulphur in Chalcopyrite turns into Sulphur dioxide (SO 2). The reaction of these processes can be written as: 2CuFeS 2 +2SiO 2 +4O 2 → Cu 2 S+2FeSiO 3 +3SO 2. The copper extracted from this process is mixed with the slag and is called Matte Copper due to its texture and ...

Jetti Resources, UBC publish new study on the science of the …

The peer reviewed paper, "The overlooked mechanism of chalcopyrite passivation" was published in Acta Materialia, and sheds new light on how chalcopyrite behaves when subject to leaching and ...

Low-grade chalcopyrite ore, heap leaching or smelting …

Chalcopyrite, the major mineral source of copper, is commonly treated pyrometallurgically, using froth flotation, smelting, converting and electrorefining processes.The ore treatment however is limited to the cut-off grade concentration below which the extraction is not economically viable. In this study a comparison of feasibility …

Inhibition of hematite on acid mine drainage caused by chalcopyrite

For example, the wastes generated by gold and porphyry copper mining and mineral processing operations (e.g., waste rocks, tailings, ... However, large quantity of low-grade chalcopyrite waste exposed during the mining process can be dissolved by bacteria or chemical oxidation, releasing tremendous amount of copper ions, iron ions …

Processing and characterization of chalcopyrite (CuFeS2) …

Beneficiation of chalcopyrite and most minerals in general requires specific conditions and raw materials based on characteristics of the mineral to optimize processing hence income. Therefore characterization of minerals is an important aspect in mineral processing.

Froth Flotation of Chalcopyrite/Pyrite Ore: A Critical Review

However, an interesting issue is to analyze the consequences in saline environments, such as seawater, due to the continuous development of mining projects that consider low-quality waters. Cruz et al.'s recently published critical review describes the chemical phenomena that dominate chalcopyrite's flotation process in seawater.

Chalcopyrite: Mineral information, data and …

Chalcopyrite Group. Chalcopyrite-Eskebornite Series. A major ore of copper. Common in sulfide veins and disseminated in igneous rocks. Weathering may lead to the formation of malachite, azurite, brochantite, …

Essential Guide to Mineral Processing

Mineral processing is a form of extractive metallurgy that separates valuable minerals from the ore into a concentrated, marketable product. Mineral processing is also known as mineral dressing. Mineral …

Leaching Chalcopyrite with High MnO2 and Chloride Concentrations

Most copper minerals are found as sulfides, with chalcopyrite being the most abundant. However; this ore is refractory to conventional hydrometallurgical methods, so it has been historically exploited through froth flotation, followed by smelting operations. This implies that the processing involves polluting activities, either by the formation of …

Selective Process Route to Recover Magnetite from Chalcopyrite …

Mining is facing a transformation in terms of environmental and social performance with improved mine management practices required [].For instance, it was proposed a methodology to generate geopolymer from iron ore tailings [], a fine material rich in silica, and it was presented a selective process route to recover uranium, rare earth …

BHP, Freeport invest in Jetti Resources' 'holy grail

Jetti has secured $50 million in funding from existing and new investors to support rapid deployment of the technology across large scale copper mining operations.

Home | Jetti Resources

We're a technology-driven natural resources company. 21 Feb 2023. First Chilean Deployment of Jetti's Novel Leaching Technology at El Abra Copper Mine, Majority-Owned and Operated by Freeport-McMoRan Inc.

The use of biochar for controlling acid mine drainage …

Microbial oxidation of chalcopyrite is a double-edged sword. The application of microbial oxidation of chalcopyrite to extract copper, known as bioleaching, has attracted widespread attention due to its lower cost and more environmentally friendly than conventional mineral processing (Li et al., 2020).

Heap bioleaching of chalcopyrite: A review

Heap leaching deals with the newly mined/run-off-the-mine (ROM) materials (intermediate grade oxides and secondary sulfides) deposited in the form of a heap on …