lead slag copper slag refining extracting precious metal

Metals | Free Full-Text | Hydrometallurgical Approach for ...

Pyrometallurgical metal production results in side streams, such as dusts and slags, which are carriers of metals, though commonly containing lower metal concentrations compared to the main process stream. In order to improve the circular economy of metals, selective leaching of copper from an intermediate raw material originating from primary base metal production …

CN101519725B - Method for extracting precious metal …

CN101519725B CN2009100943175A CN200910094317A CN101519725B CN 101519725 B CN101519725 B CN 101519725B CN 2009100943175 A CN2009100943175 A CN 2009100943175A CN 200910094317 A CN200910094317 A CN 200910094317A CN 101519725 B CN101519725 B CN 101519725B Authority CN China Prior art keywords precious metal …

(PDF) Precious metal content in copper concentrate and slag

Waste matter separated from copper during the smelting or refining of copper ore is known as slag. In the present work, the precious metals like gold and silver content in concentrate and slag are ...

Lead Slag – Sand International

Lead Slag is a by-product of copper extraction by smelting. During smelting, impurities become slag which floats on the molten metal. Slag that is quenched in water produces angular granules which are disposed of as waste or utilized. …

Mineral Ore, Copper Ore and Gold Ore Beneficiation Plant

About us. Star Trace Private Limited (STPL) is a single source and one of the India's leading, largest contractors in BOT/EPC/LSTK and installed paramount of original equipment, enhanced products, Proprietary Technology for Gold Ore Processing, Patented Online/Offline Extraction of precious metals from Tailing, technologies and services.

Extraction of Non-ferrous Metal-

Extraction of lead metal is less complicated than copper and the dominant method is through pyrometallurgy. Metalcess can design production line of different capacity to suit customer requirement, either lead concentrate or recycling project of spent lead acid battery, lead containing slag and residue, lead containing glass (CRT screen), etc.

A novel process of extracting precious metals from waste ...

In present work, a novel process to extract valuable metals such as copper and tin from WEES by smelting with the addition of waste copper slag as a slag formative has been developed.

Dore slag treatment - Noranda Mines Limited

It should also be mentioned that, in the dore furnace itself, after removing the lead slag, further refining operations are performed with addition of soda ash and nitre (NaNO 3) respectively, leading to the dore metal. These operations also produce two additional slags, the so-called soda slag and copper slag respectively.

slag composition gold - sim-tech.ch

Improper composition of Synthetic Slag is very detrimental for the quality of steel as it can lead to harmful reversion of P, S, and unwanted oxides. GET PRICE. Synthetic Slag Refining - cnwdcorp.com . Synthetic Slag Refining . ... slag composition gold - Mining Equipment Price -KWS . copper slag precious metal elements - Gold Ore Crusher ...

ARCHIVED - Guidance Document for Management of Wastes from ...

Copper: Slag: Recycle to smelter: Refining furnaces: Copper: Slag: Recycle to smelter Lead: Skimmings: Recovery of other valuable metals Precious metals: Skimmings and slag: Internal recycle: Slag treatment Copper and Nickel Cleaned slag Construction material, abrasives, mine back fill. Matte produced in treatment recycled. Slag dump: Melting ...

A High Temperature Process for Extracting Valuable Metals ...

The presence of gold and silver in the slag suggests that this precious metals escape to slag during the extraction of copper. This problem requires further research. View full-text

Secondary Smelting and Refining of Nonferrous Metals ...

2700 S Indiana Street. Vernon, CA. (323) 262-1101. CLAIMED. Categorized under Secondary Smelting and Refining-Nonferrous. We need nonferrous metal residue that copper slag,copper residue,copper sludge,copper dross, copper ash, lead slag,lead residue,lead ash.nickel sludge,nickel residue. Raw Gold & Diamond Co.

Urban mining of precious metals via oxidizing copper ...

Distribution measurements for Ni and Co as well as for selected precious (Ag, Au) and platinum group (Pt, Pd) metals between copper metal and iron silicate slag were conducted at 1300 °C.

Technology - Aurubis | Metals for Progress

Copper, nickel, tin, lead and the precious metals contained in the raw materials are enriched in an alloy with a copper content of about 80 %. In a top blown rotary converter (TBRC) the copper content is further enriched to 95 % and tin and lead are separated into a slag.

Copper Smelting Slag Recovery- - Metalcess-works for …

Copper Smelting Slag Copper smelting slag is produced from copper pyrometallurgy (both smelting and converting stages), usually grading at 0.3-3%. The slag may also contains lead & zinc minerals like galena, sphalerite. Copper mainly dwells in the slag in the form of bornite, chalcocite, chalcopyrite, and metallic copper.

Reassessment and new data on the diachronic relationship ...

Since then, further analytical data indicated the extraction of Thassian copper ores based on technological characterization of slag (Photos 1992, 795) and limited lead isotope analysis of raw materials and metal artefacts (Stos-Gale and Gale 1992, 782). More recent projects that concentrated on the island shifted focus on issues of production ...

THE ROLE OF PYROMETALLURGY IN THE RECOVERY OF …

preferential developed and copper or selective oxidation is a common are from and highly steelmaking metal from pyrometallurgical matte converting. is technique, the usual which examples example is the oxygen the precious of lead refining the industry cupellation alloy separation lead the lead-precious metal which results from on based relative …

Simulation of Slag–Matte/Metal Equilibria for ...

In copper fire-refining, the equilibria (1) and (2) are utilised for transporting the impurities from crude copper. Reaction (1) clearly shows the impact of increasing oxygen activity in the process and lowering the activity coefficients of metal oxides in the refining slag.

The alternative to blasting with copper slag - MontiPower

For cleaning and preparing of metal surfaces, the copper slag is combined with air. This combination of air and copper slag is then applied with a very high force to the surface. Because of the great force with which the copper slag is released onto the surface, dirt, rust, mill scale, paint and coatings are easily removed from the object.

Production of Non Ferrous Metals | PDF | Lead | Aluminium ...

• Lead refining: • During lead refining, Cu is removed from the hard lead by a two-stage drossing process in 30-ton kettles heated by oil burners and then again in 60-ton kettles. • The temperature of the refined lead after drossing is allowed to drop to about 340ºC and the rock sulphur is added on the basis of 1 Kg per ton of hard lead.

Copper Blast Furnace Smelting-Copper-

Wide adaptability to raw material, from iron, copper, copper-nickel, zinc, lead and zinc-lead complex concentrate; 2. Application of rich-oxygen air blast offers high smelting temperature, enhances hearth capacity and generates high concentration SO 2 …

Recovery of Precious Metals (Au, Ag, Pt, and Pd) from ...

With the aim of investigating deportments of precious metals in pyrometallurgical processing of waste electrical and electronic equipment, the distributions of selected precious metals (gold, silver, platinum, and palladium) between copper matte and three different silica-saturated slags (pure FeO x-SiO 2, FeO x-SiO 2-Al 2 O 3, and FeO x-SiO 2-Al 2 O 3-CaO …

Lead Bullion Fire-refining and Electrorefining Process-Lead-

The lead-refining process is described as, " After copper drossing, generally Te, As, Sn and Sb are removed substantially by the Harris Refining Process using fused NaOH. A certain selectivity during refining is achieved by controlled addition of NaNO3. Another refining step is decopperizing by means of elemental sulfur.

Blister Copper - an overview | ScienceDirect Topics

The copper concentrates obtained with copper content of 18–24% is sent to converter in the slag-forming stage, the copper content in flotation tailings can be reduced lower than 0.5%. In addition to copper contained in matte smelting and converter slags, there are some other metals existing, such as Co, Zn, and Fe.

Primary Copper Smelting Subcatergory And The Primary ...

Electrolytic refining with slimes recovery. Wet and dry a. p. cont. Melting, refining, and casting of copper and copper base alloys, aluminum and precious metals. No a, p. cont. Scrap and blister copper melted down in reverb and cast into anodes, which are sent to electrol. refinery. Dore Furnace used in precious metal separation.

Copper Metallurgy Overview-

Copper Metallurgy Overview-. Metalcess offers comprehensive solution for your copper metallurgy project, varying from copper ore, copper scrap, WEEE, copper slag/dross or leaching residue, etc. From process design, detail engineering and equipment supply of the production line, Metalcess provides not only customer-tailed technology but also ...

Innovative technologies providing enhancement of non ...

precious metals [2]. The proposed technical solution is characterized by the fact that due to the use of a complex reducing agent, the copper content in the slag is reduced to 0.7% compared to the existing indicator of 1.0% [3]. The technologies used of the selenium extraction from middlings of copper production

Thermodynamic analysis of metals recycling out of waste ...

Precious and other valuable metals in waste PCB are segregated to different phases along the process chains, e.g., gaseous (volatilization), liquid oxides (slag), and liquid metal (copper). Major precious metals, such as gold and silver, mainly report to copper, and are separated into anode slime during the electrolytic refining, which can be ...

Advances in Complex Copper Concentrate Smelting at the ...

Production commenced in early 1964, with 3,500 tonnes of copper and 6,000 tonnes of lead being produced per month. TCL was acquired by Gold Fields South Africa in 1988, and a few years later the lead section was shut down due to reduced lead content of the mined ore. In mid-1996, all mining and smelting operations were halted due to labour strikes.

Looking for a copper refiner. 1.5 million tons of 60-70% ...

I'm looking for a contact to a copper refiner. We have been tasked to clean up a superfund site that has 1.5 million tons of copper slag and metal. We are able to concentrate it to 60-70% copper but are having trouble finding a refinery. Any help would be …

Iron extraction from lead slag by bath smelting ...

Moreover, leaching toxicity of the material would be over environmental restrict due to heavy metals [17,18]. On the other hand, the reduction of solid wastes is restricted due to most of work for extracting valuable metal from solid wastes only concerns extraction of lead, zinc and copper, etc, so that still left a lot of solid wastes.

Copper Recycling - ScienceDirect

Slag from copper-smelting operations usually contain between 1.5% and 8% copper depending on process used. After internal recycling, reduction and/or settling, the slag contains between 0.7% and 2% Cu and is often discarded. It is estimated that about 2.2 t of slag is generated per ton of copper produced.