Production Of Copper Matte

Simplified copper production from primary concentrates: …

Experiments show that the optimal combination of operating conditions were found to be the addition of copper matte between 5000 -7000 kg/h, a lance airflow rate of 13000-14000 Nm3/h and a lance ...

WhatsApp: +86 18221755073

The practice of copper matte converting in China

By October 2018, there are 35 copper smelters under operation in China, with an annual output of 9860 kt refined copper. In copper matte converting, P-S converters are still used in 20 copper smelters in China, and the annual capacity of refined copper in these smelters is 5530 kt, accounting for 54.06% of the total. In the last two …

WhatsApp: +86 18221755073

Modeling of Copper Matte Continuous Converting Processes …

During the production process of SKS CMCC 2#, the main phases in the furnace include white copper matte, slag, blister copper, anode copper, and flue gas, which is a typical multiphase reaction system. In the present study, the MEC model of CMCC 2# is used until the production of blister copper is established. The …

WhatsApp: +86 18221755073

Influence of Slag Viscosity on Copper Matte …

on rates of mixing of mass transfer, metal and slag separation, etc. The copper matte is a combination of copper sulphide, a small amount of iron sulphide and some heavy metals, of which copper sulphide makes up 80–95%. The temperature and composi-tion of slags have great effects on slag viscosity [13]. Due to the limited varying range

WhatsApp: +86 18221755073

Metallurgy

Metallurgy - Matte Smelting, Refining, Alloying: The primary purpose of matte smelting is to melt and recombine the charge into a homogeneous matte of metallic copper, nickel, cobalt, and iron sulfides and to give an iron and silicon oxide slag. It is done in many types of furnace on both roasted or unroasted sulfide feed material. The …

WhatsApp: +86 18221755073

Operation and Fundamentals of Direct Anode Copper Production From Matte

Copper matte converting is an essential process in copper pyrometallurgy. Replacing traditional batch converting in Peirce–Smith converters (PSCs), continuous converting is becoming a new trend. In this work, a thermodynamic modeling of the copper matte continuous converting process was carried out under actual production …

WhatsApp: +86 18221755073

Operation and Fundamentals of Direct Anode Copper …

Figure 8(a) represents the effect of the total oxygen flow rate on the matte mass and substance mass. The copper matte mainly consisted of Cu2S and a small amount of dissolved Cu, with almost no FeS. The mass of the copper matte decreased continuously as the oxygen flow rate …

WhatsApp: +86 18221755073

Data Analysis and Prediction Model for Copper Matte …

Liu and Gui established a dynamic model for quantifying the dynamic characteristic of matte grade in copper flash smelting process at a Copper Smelter …

WhatsApp: +86 18221755073

What is Copper Matte? Uses and Benefits

The most common use for copper matte is in producing copper metal products such as wires, bars, sheets, and plates. It can also be used to produce …

WhatsApp: +86 18221755073

Matte | Smelting, Refining, Alloying | Britannica

Matte, crude mixture of molten sulfides formed as an intermediate product of the smelting of sulfide ores of metals, especially copper, nickel, and lead. Instead of being smelted directly to metal, copper ores are usually smelted to matte, preferably containing 40–45 percent copper along with iron

WhatsApp: +86 18221755073

Matte converting in copper smelting

Copper matte converting is the key step to ensure high primary copper recovery in the smelting chain. Its development and the fundamental research carried out over the past decades will be reviewed. ... Their annual copper production is in excess of 1.5 Mt, and selected fundamental studies behind this major technological invention will …

WhatsApp: +86 18221755073

(PDF) Matte converting in copper smelting

Copper matte converting is the key step to ensure high primary copper recovery in the smelting chain. Its development and the …

WhatsApp: +86 18221755073

The practice of copper matte converting in China

Abstract. By October 2018, there are 35 copper smelters under operation in China, with an annual output of 9860 kt refined copper. In copper matte converting, P …

WhatsApp: +86 18221755073

Influence of Slag Viscosity on Copper Matte Entrainment …

In the settlement zone of the copper smelting furnace, SO 2 bubbles will be generated due to the insufficient oxidization of copper matte concentrate by injected oxygen-rich air in the reaction zone, entailing mass transfer in the liquid–liquid system by a rising bubble penetrating through the liquid–liquid interface. Different operating conditions between …

WhatsApp: +86 18221755073

Copper production and supra-regional exchange networks – Cu-matte

Importantly, radiocarbon dating from these sites points to copper production already being undertaken at the end of the Early Bronze Age (19th–18th centuries BC), more than 500 years earlier ...

WhatsApp: +86 18221755073

The practice of copper matte converting in China

The bottom-blown copper smelting, with a current 4% share of global production (Wang et al. 2019), presents some superior characteristics to those of the FS processes.

WhatsApp: +86 18221755073

Copper (Cu)

Conversion: Copper matte is then processed in a converter furnace, where it is blown with air or oxygen to remove sulfur and iron, ... The production of copper involves a series of processes that extract …

WhatsApp: +86 18221755073

Blister Copper

The principal copper ore mineral is chalcopyrite (CuFeS 2), which is commonly smelted to yield a matte containing ∼50% copper.In the presence of silica flux, iron is selectively oxidized to a slag. Figure 14 shows a PSD for the Cu–Fe–S–O system at 1 atm SO 2 as a function of temperature (Rosenqvist 1978).Unlike the system for lead, the copper and …

WhatsApp: +86 18221755073

Hydrometallurgical nickel and cobalt plants and processes

PRODUCTION Atmospheric leaching Pressure leaching Pressure leaching Chloride leaching Chloride leaching PGM treatment PGM treatment Solvent extraction/ ion exchange ... • High copper content nickel matte chloride leaching • Nickel laterite leaching • Metallic Ni and Co leaching • Ni and Co intermediates (hydroxides, sulfides)

WhatsApp: +86 18221755073

Synchronous extractions of nickel, copper, and cobalt by …

The low-grade nickel-copper matte used in this study was obtained from smelting highly concentrated sulfide nickel-copper ore from Jinchuan Co., China. The main composition is given in Table 1. Fig. 1 shows the metallographs of low-grade nickel-copper matte and Fig. 2 shows the XRD patterns of the nickel-copper matte.

WhatsApp: +86 18221755073

(PDF) Copper matte

The result of the present work forms an important foundation for future work in the kinetic rate formulation of molten phase reactions between copper matte and slag in matte smelting.

WhatsApp: +86 18221755073

Matte converting in copper smelting

Copper matte converting is the key step to ensure high primary copper recovery in the smelting chain. Its development and the fundamental research carried …

WhatsApp: +86 18221755073

Matte | Smelting, Refining, Alloying | Britannica

Matte, crude mixture of molten sulfides formed as an intermediate product of the smelting of sulfide ores of metals, especially copper, nickel, and lead. Instead of being smelted …

WhatsApp: +86 18221755073

(PDF) Matte converting in copper smelting

Their annual copper production is in excess of 1.5 Mt, and selected fundamental studies behind this major technological invention will be examined. ... Copper matte converting is the key step to ...

WhatsApp: +86 18221755073

Copper Production

Abstract. Section 2.1.1 covers the basic thermodynamic and kinetic principles involved in producing copper by high-temperature smelting processes. The section starts with the description of the stability of copper compounds relevant to the pyrometallurgical production of copper from the minerals and how it relates to the development and …

WhatsApp: +86 18221755073

Copper production and supra-regional exchange networks -Cu-matte

The resulting copper matte was repetitively smelted until the metallic stage of the copper was reached. The slags of groups 1 and 2 always have a very high amount of copper matte inclusions, unlike the slags belonging to group 3.

WhatsApp: +86 18221755073

What is Copper Matte?

Copper matte is made up of copper sulfide (80-95 percent) and Fe – Co alloys (five to seventeen percent). Metallic copper, silver, Pb – Ag alloys, and arsenide can all be found in addition to Fe – Co. Finally, the copper matte is a mixture of copper sulfide and a small amount of iron sulfide recovered during the matte process.

WhatsApp: +86 18221755073

Production of Matte, White Metal, and Blister Copper by …

Outokumpu Oy has intensively studied the production of high-grade copper matte in a flash smelting furnace since the 1950s. Blister copper was first produced in the pilot furnace of the ...

WhatsApp: +86 18221755073

What is Copper Matte?

Copper Matte is a combination of copper sulphide and a small amount of iron sulphide. In the process of copper extraction, Matte is the stage subsequent to the final reduction process which involves converting it to crude copper.

WhatsApp: +86 18221755073

Production of Matte, White Metal, and Blister Copper by …

Outokumpu Oy has intensively studied the production of high-grade copper matte in a flash smelting furnace since the 1950s. Blister copper was first produced in the pilot furnace of the Metallurgical Research Centre at Pori in 1969 and the first commercial plant for direct blister production was commenced in 1978 in Poland. This paper is a survey …

WhatsApp: +86 18221755073