Phase Selectivity of Copper Sulfide: Synthesis and Application …

Herein, an easy two-step heating approach to copper sulfides was developed. Petal-like CuS, spherical Cu 2 S and hexagonal Cu 1.75 S were obtained by adjusting the volume ratio between the two solvents used, ethylene glycol and triethylenetetramine. The as-synthesized CuS, Cu 1.75 S, and Cu 2 S, were used as …

Adsorption behavior and mechanism of copper ions in the …

Contact angle testing is the most intuitive test for determining the hydrophobicity of a mineral surface [22], [23].The effect of copper ions on mineral hydrophobicity was assessed by performing a contact angle test at copper ion concentrations of 2.5×10 −4 and 1×10 −3 mol/L, and the concentrations of sodium …

A new way of extracting copper

The MIT researchers found a promising method of forming liquid copper metal and sulfur gas in their cell from an electrolyte composed of barium sulfide, lanthanum sulfide, and copper sulfide, …

copper sulphide

copper sulphide. copper sulphide. Formula: CuS. Molecular weight: 95.611. IUPAC Standard InChI:InChI=1S/Cu.S Copy. IUPAC Standard InChIKey:BWFPGXWASODCHM-UHFFFAOYSA-N Copy. CAS Registry Number: . Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure …

Tomography shows high potential of copper …

Tomography shows high potential of copper sulfide solid-state batteries. by Helmholtz Association of German Research Centres. 3D reconstruction of the formation of a copper crystallite in a copper …

A new way of extracting copper

In a cell that used only copper sulfide, for example, because of its high electronic conductivity, the extra electrons would simply flow through the electrolyte without interacting with the individual ions of copper and sulfur at the electrodes and no separation would occur. ... "If the technology is developed further and its techno-economics ...

Copper Sulfide

2.1.1 Crystal structure of copper sulfides. Copper sulfide ore, which accounts for 80% of the copper resource, is the major source for the metallic copper [1 ]. The major copper sulfide ores contain chalcopyrite (CuFeS 2 ), bornite (Cu 5 FeS 4 ), covellite (CuS), and chalcocite (Cu 2 S). The concentrates of copper from sulfides ores are ...

Flotation of copper oxide minerals: A review

1. Introduction. The continuous development of the global economy has resulted in a high demand for copper production and high copper consumption [1], [2], and exploitation and effective use of copper oxide mineral resources have attracted attention [3].Copper oxide deposits evolve from shallow copper sulfide deposits after long-term …

Copper Sulfides: Earth‐Abundant and Low‐Cost …

Several approaches, such as phase tuning, doping, nanostructure/microstructure designing, compound formation, etc., are chosen to …

copper sulphide

Other names: Copper sulfide Permanent link for this species. Use this link for bookmarking this species for future reference. Information on this page: Notes; Other data available: Constants of diatomic molecules; ... The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database ...

Current Status of Copper-Ore Processing: A Review

The choice of copper-ore processing technology depends on its composition, i.e., the sulfide, oxide, carbonate, and copper silicate content. Leaders in copper ore processing …

Recent developments in Earth-abundant copper-sulfide …

In addition, other technologies compete for these scarce resources. For example, ... Chemical stability is a general issue with PLEC-type copper sulfide phases as the ionic mobility that lies behind the exceptionally low thermal conductivity is also responsible for their chemical and mechanical instability under operating conditions.

Synergistically optimized electron and phonon transport in

Copper sulfides have been studied in the TE field for more than 190 years, which possess ultralow lattice thermal conductivity because of the strong phonon scattering effects and the vanished...

Innovations in Copper: July 2006: Innovative Technology

Hydrogen Sulfide (H 2 S), a volatile sulfur compound, is a normal byproduct of the fermenting process. But, research has shown that people are very sensitive to the odor of H 2 S and can detect this odor as an off-flavor at very low concentrations. Brewers employ number of different means to reduce the levels of H 2 S in the beer. These include …

Copper recovery from low-grade copper sulfides using …

Low grade copper sulfide ores are obtained from a copper mine, Fujian Province, China, which contain 0.04% free copper oxide, 0.06% primary copper sulfide, 0.64% secondary copper sulfide and 0.01% combined copper oxide. ... (52034001), the Innovation Team in Key Fields of Ministry of Science and Technology of the People's …

Current scenario of chalcopyrite bioleaching: A review on …

Current information on global process developments on copper sulfide bioleaching has been presented. Future prospects for chalcopyrite bioleaching with concluding remarks on its commercialization through heap leach technology are also provided. 2. Chalcopyrite: A primary copper sulfide of economic importance

Bioleaching of copper sulfide minerals assisted by

1. Introduction. Bioleaching process is an environment-friendly and cost-effective technology for copper extraction from sulfide minerals and electronic waste (Isildar et al., 2019, Ma et al., 2018).The bioleaching microorganisms including sulfur-oxidizing microorganisms (SOMs) and iron-oxidizing microorganisms (IOMs) play …

Insights into Copper Sulfide Formation from Cu and S K …

An understanding of the fundamentals of the reaction between CuO with trace amounts of H2S to form CuS products is critical for the optimal utilization of this process in sulfur removal applications. Unfortunately, CuS is a complex material, featuring various Cu2-xS compounds (with 0 ≤ x ≤ 1), distorted crystal phases, and varying electronic …

Metal recovery from the copper sulfide tailing with …

A study was conducted for metal recovery from low-grade copper sulfide tailings using the leaching and fractional precipitation methodology. Mineralogical characterization of the materials shows that the primary weight proportions of pyrite minerals, silicate minerals, and quartz in tailing are 31.50%, 38.85%, and 15.06%, …

Metals Extraction from Sulfide Ores with Microorganisms: …

This technology has few disadvantages like being inefficient and slow extraction ... discussed the use of bioheap leaching–SX–EW technique used at Zijinshan copper plant in China to treat secondary copper sulfide ores. Megaw et al. presented an alternate process for copper sulfate production that includes crushing and screening of …

copper sulphide

copper sulphide. Formula: CuS. Molecular weight: 95.611. IUPAC Standard InChI: InChI=1S/Cu.S. Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: BWFPGXWASODCHM-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: . Chemical structure:

Synthesis and characterization of copper sulfide

PDF | In this paper, the copper sulfide (CuS) nanomaterial was prepared by a hydrothermal process, using copper chloride and Thiourea. ... Separation Science and Technology, DOI: 10.1080/01496395. ...

Controllable Disordered Copper Sulfide with a Sulfur-Rich …

Moderate crystallinity guarantees the thermal stability of CuS and the presence of abundant defects, in which copper vacancy enhances significantly the Hg 0 …

Recent developments in Earth-abundant copper-sulfide …

Recent developments in Earth-abundant copper-sulfide thermoelectric materials. Special Collection: Advanced Thermoelectrics. Anthony V. Powell. Author & …

Metal recovery from the copper sulfide tailing with leaching …

A study was conducted for metal recovery from low-grade copper sulfide tailings using the leaching and fractional precipitation methodology. Mineralogical characterization of the materials shows that the primary weight proportions of pyrite minerals, silicate minerals, and quartz in tailing are 31.50%, 38.85%, and 15.06%, …

Copper sulfide nanoparticles as high-performance cathode …

Copper (I) sulfide NPs were synthesized using a previously reported method 53. Copper (I) acetate (48 mg), TOPO (1 g) and octadecene (30 ml) were mixed in a three-neck flask, degassed under vacuum ...

Biomineralization-Inspired Copper Sulfide Decorated …

Biomineralization-Inspired Copper Sulfide Decorated Aramid Textiles via In Situ Anchoring toward Versatile Wearable Thermal Management Small. 2024 Mar;20 ... Sichuan Provincial Engineering Laboratory of Plastic/Rubber Complex Processing Technology, Polymer Research Institute of Sichuan University, Chengdu, 610065, …

Current Status of Copper-Ore Processing: A Review

of sulfide copper-nickel, copper-pyrite deposits, and ores of copper sandstones and slates are primarily pro-cessed abroad. The amount of copper in copper sand-stones and slates varies from 1 to 6%, in sulfide cop-per-nickel ores from 1.1 to 4.9%, in copper-pyrite ores from 0.1 to 3%, and in copper-porphyry ores from 0.4 to 1.2%.

Copper(II) sulfide nanostructures and its nanohybrids

Among various metal chalcogenides, metal oxides and phases of copper sulfide, copper(II) sulfide (covellite, CuS) nanostructures have enjoyed special attentiveness from researchers and scientists across the world owing to their complicated structure, peculiar composition and valency, attractive and panoramic morphologies, …

Copper Mining and Processing: Processing Copper Ores

Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use.The most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and …

Unlocking Critical Copper Through New …

Jetti Resources, which has developed a breakthrough leaching technology for primary copper sulphide ores, announced in October 2022 that it had raised $100 million in its Series D financing. The funds will be …

Near-Infrared Copper Sulfide Hollow Nanostructures with …

Near-Infrared Copper Sulfide Hollow Nanostructures with Enhanced Photothermal and Photocatalytic Performance for Effective Bacterial Sterilization. You Li. You Li. School of Materials Science and Engineering, Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, Beijing …

Structural studies of copper sulfide films: effect of ambient

Copper sulfide films with various phases such as mixed metallic Cu-chalcocite, chalcocite, roxbyite, and covellite phases were formed with increasing sulfurization time. ... Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan; Nano System Functionality Center, National Institute for …

Bridging the copper supply gap

Applied across the industry, improved coarse particle flotation can result in an additional 0.5 million to 1.5 million metric tons of …