recover copper in smelter dust

recover copper in smelter dust

Recovery of crown zinc and metallic copper from copper ...

2020-1-16 · Copper smelter dust is an ultrafine hazardous waste containing various heavy metallic elements. This manuscript proposed a novel method for efficient recovery of crown zinc and metallic copper from copper smelter dust, including evaporation and condensation of zinc vapor, and super-gravity separation of copper droplets.

Continuous copper recovery from a smelter's dust in ...

2008-3-28 · Previous study showed that mesophilic bacteria in batch cultures could easily oxidize the dust copper sulfide minerals with high recovery (Massinaie et al., 2006). Biological dissolution of copper smelter dust using GeoCoat technology was also examined (Jamali Paghaleh, 2006). Thus, bacterial leaching is a hydrometallurgical alternative process ...

Dust in the wind: Smelter dust recovery - Australian Mining

2011-10-18 · Since commissioning the ESP leach and Agi-truck process, Xstrata Copper Mount Isa’s smelter has had a copper recovery rate of up to 98 per cent. It forecast that by 2016 it

(PDF) Continuous copper recovery from a smelter's dust in ...

There is a need to develop technology to recover copper from the smelter furnace dust and to separate it from other dust-associated metals (Gorai, Jana and Khan 2002;Xu, Qiang and Nie 2010). ...

Recovery of Zinc and Copper From Copper Smelter Flue

Copper smelter flue dust is a residue, rich in zinc, originating from the pyrometallurgical process of copper, and constitutes a potential raw material for zinc production. In order to valorise this waste by hydrometallurgical processes, its leaching with sulphuric acid at constant pH is studied. Ex

Hydrometallurgical smelter dust treatment - the case for ...

2019-12-11 · The hydrometallurgical smelter dust treatment process normally requires leaching, arsenic precipitation, and copper recovery. Valuable metals recovery takes place using mechanisms such as precipitation, electrowinning, or crystallizing, with impurity metals precipitated and directed to the tailings pond or waste area.

Characterization of Copper Smelter Dust for Copper

Smelter dust (10% pulp) in acid leach solution was subjected to three microbial cultures in a sequence of 35°C, 50°C, and 70°C incremental temperatures for 2 days each. Up to 83% copper ...

High-purity copper recycled from smelter dust by sulfation ...

2020-7-9 · Metal recycling is drawing high interest in the context declining natural resources and the future circular economy. Smelter dust from copper extraction plants contains copper (Cu), which is both an economic loss and a pollution issue. There is therefore a need for techniques to recover Cu from ultrafine dust. Here we tested sulfation roasting, water leaching and electrorefining to recover Cu ...

Recovery of copper from melting furnaces dust by ...

The flue dust from copper smelter generally contains 30-36% Cu in different forms like chalcocite, chalcopyrite bornite, covellite and copper oxide (Biswas and Davenport, 1976;Oliazadeh et al., 2006).

Characterization of Copper Smelter Dust for Copper

Smelter dust (10% pulp) in acid leach solution was subjected to three microbial cultures in a sequence of 35°C, 50°C, and 70°C incremental temperatures for 2 days each. Up to 83% copper ...

High-purity copper recycled from smelter dust by sulfation ...

2020-7-9 · Metal recycling is drawing high interest in the context declining natural resources and the future circular economy. Smelter dust from copper extraction plants contains copper (Cu), which is both an economic loss and a pollution issue. There is therefore a need for techniques to recover Cu from ultrafine dust. Here we tested sulfation roasting, water leaching and electrorefining to recover Cu ...

(PDF) Copper Smelter Dust Is a Promising Material for the ...

Dust of gas cleaning systems in the process of blister copper production is a waste of class 2 hazard. The accumulation of copper smelter dust may cause significant damage to the environment in ...

Metal Recovery From Secondary Copper Converter Dust

secondary copper smelter. Converter flue dust from this smelter is recovered by two collectors in series. The dust from the primary collector causes no disposal problems and was not studied because it has a ready market because of its high Sn content (>8 pct). Flue dust from the secondary collector, a fabric-celled baghouse, was used in

Dust in the wind: Smelter dust recovery - Australian Mining

2011-10-18 · Since commissioning the ESP leach and Agi-truck process, Xstrata Copper Mount Isa’s smelter has had a copper recovery rate of up to 98 per cent. It forecast that by 2016 it

Copper Smelter Dust Is a Promising Material for the ...

2019-5-21 · Abstract Dust of gas cleaning systems in the process of blister copper production is a waste of class 2 hazard. The accumulation of copper smelter dust may cause significant damage to the environment in the places of their storage. This dust contains considerable contents of zinc, lead, tin, and copper, which makes possible its use for recovery of these elements. However, there are a number of ...

Hydrometallurgical Processing of Copper Smelter Dust for ...

2017-2-9 · The waste copper smelter dust (CSD) is a rich secondary resource for copper as shown by the chemical composition of the South African Palabora coppers smelter plant CSD that assayed 18.02, 13.36, and 3.4 wt% copper, iron and sulphur; respectively.

12.3 Primary Copper Smelting

2015-9-10 · fugitive dust problems. Control of SO2 from smelters is commonly performed in a sulfuric acid plant. Use of a sulfuric acid plant to treat copper smelter effluent gas streams requires that particulate-free gas containing minimum SO2 concentrations, usually of at least 3 percent SO2, be maintained. Table 12.3-

Copper Smelting Flue Dust: A Potential Source Of

2011-9-19 · concentrated in flue dust after smelting procedure. This study focuses on evaluating the potential of copper smelting flue dust as a source of Ge and the possibilities to apply extraction and recovery methods similar to those developed and patented for gasification fly ash. To this aim flue dust samples from a Chilean copper smelting plant

Treatment of Arsenic in copper smelting

2021-11-10 · White ash is one of the major by-product during copper smelting. 70-100 kg white ash will be generated with each ton of copper is made. Arsenic content rangesfrom 10% to 15% in white ash, other including lead, copper and zinc. Typical element content from a Chinese copper smelter

(PDF) Copper Smelter Dust Is a Promising Material for the ...

Dust of gas cleaning systems in the process of blister copper production is a waste of class 2 hazard. The accumulation of copper smelter dust may cause significant damage to the environment in ...

Metal Recovery From Secondary Copper Converter Dust

secondary copper smelter. Converter flue dust from this smelter is recovered by two collectors in series. The dust from the primary collector causes no disposal problems and was not studied because it has a ready market because of its high Sn content (>8 pct). Flue dust from the secondary collector, a fabric-celled baghouse, was used in

Recovery of copper from arsenic containing metallurgical ...

We claim: 1. In a process for the recovery of copper values from highly toxic, smelter flue dusts and/or refinery sludges containing arsenic values as at least part of the toxic constituents, which process includes the leaching of such a flue dust and/or sludge with sulfuric acid at elevated temperature and under a pressurized oxygen atmosphere for solubilizing copper values and rendering ...

Microwave-Leaching of Copper Smelting Dust for Cu and

The main aim of this investigation is to examine microwave-leaching method to recover valuable metals (copper and zinc) from a copper smelter dust. The effect of different parameters (H 2 SO 4 concentration, solid content, oxidant concentration, microwave power and leaching time) and their interactions were studied by using central composite ...

Pyrometallurgical Recovery of Valuable Metals from Flue ...

2020-1-25 · Low-grade copper concentrates containing increased impurities such as As, Pb, and Zn are used in copper production. In copper smelting and converting processes, large amounts of flue dusts are... Pyrometallurgical Recovery of Valuable Metals from Flue Dusts of Copper Smelter Through Lead Alloy | SpringerLink

Copper Smelting - IFC

require reuse/recovery or appropriate disposal. The main portion of the solid waste is dis-carded slag from the smelter. Discard slag may contain 0.5–0.7% copper and is frequently used as construction material or for sandblasting. Leaching processes produce residues, while ef-fluent treatment results in sludges, which can be sent for metals ...

12.3 Primary Copper Smelting

2015-9-10 · fugitive dust problems. Control of SO2 from smelters is commonly performed in a sulfuric acid plant. Use of a sulfuric acid plant to treat copper smelter effluent gas streams requires that particulate-free gas containing minimum SO2 concentrations, usually of at least 3 percent SO2, be maintained. Table 12.3-

Copper Smelting Flue Dust: A Potential Source Of

2011-9-19 · concentrated in flue dust after smelting procedure. This study focuses on evaluating the potential of copper smelting flue dust as a source of Ge and the possibilities to apply extraction and recovery methods similar to those developed and patented for gasification fly ash. To this aim flue dust samples from a Chilean copper smelting plant

Treatment of Arsenic in copper smelting

2021-11-10 · White ash is one of the major by-product during copper smelting. 70-100 kg white ash will be generated with each ton of copper is made. Arsenic content rangesfrom 10% to 15% in white ash, other including lead, copper and zinc. Typical element content from a Chinese copper smelter

SULPHATION OF CUPROUS AND CUPRIC OXIDE DUSTS

2004-4-1 · Copper smelting with the Outokumpu flash smelting process generates significant amounts of SO 2-rich off-gas and flue dust. From the smelting unit, gases with a dust load are directed into a heat recovery boiler (also known as a waste heat boiler). In the radiation section temperature decreases, sulphates become thermodynamically stable,