copper gold concentrate processing

ON-SITE PROCESSING VS. SALE OF COPPER CONCENTRATES

normal workings of the (concentrate) market, and now the market is reasserting itself. Recent increases in downstream costs have now increased the incentive for onsite processing, rather than selling the concentrate to remote smelters . This paper presents the financial analysis of an onsite refinery vs. the sale of copper concentrates.

MINING TO SMELTING - GOLD/COPPER CONCENTRATES IN …

and copper. This infographic is designed to explain the process of producing concentrate and what steps are taken to ensure the gold, silver and copper contents are accurately measured and all royalties are fully paid A refined product containing gold, copper and silver that are locked in their sulphide host

The Role of Pug Mills in Processing Copper Concentrates

The use of a pug mill to mix and condition copper concentrates prior to smelting helps to improve overall efficiency through uniform processing.

Gold Processing,Extraction,Smelting Plant Design ...

The flotation concentrates can be sold to the smelting factory based on normal trade or processing agreement. The flotation concentrates go to cyanide process or calcination process (if there is arsenic together with the concentrate) and further process to get pure gold in the smelting factory.

Gold processing 101 - Mining Magazine

Gold/silver base metal concentrate deportment. Smelters typically pay >95% (Au) and 90% (Ag) in copper and lead concentrates, but will only pay 60-70% (maximum, depending on degree of Pb/Zn smelter integration) for gold and silver in zinc concentrates. Cost drivers are also important in flowsheet selection, and are summarised in Table 3.

How copper is made - material, used, processing, steps ...

The copper concentrate and flux melt, and collect in the bottom of the furnace. Much of the iron in the concentrate chemically combines with the flux to form a slag, which is skimmed off the surface of the molten material. ... Gold, silver, and other precious metals are also important byproducts. ... The current trends in copper processing are ...

Case study flowsheets: copper–gold concentrate treatment ...

The PLATSOL ® process may also offer a non-cyanide process treatment option for recovery of copper and gold from copper–gold and gold–copper concentrates. Ferron et al. reported on batch laboratory testing of a copper–gold concentrate and a refractory gold–silver concentrate under PLATSOL ® …

Copper extraction - Wikipedia

Copper ores containing chalcopyrite can be concentrated to produce a concentrate with between 20% and 30% copper-in-concentrate (usually 27–29% copper); the remainder of the concentrate is iron and sulfur in the chalcopyrite, and unwanted impurities such as silicate gangue minerals or other sulfide minerals, typically minor amounts of pyrite ...

Metal Production from Concentrates - Aurubis

The concentrate is a finely milled, dark gray material containing about 30 % copper (Cu), 30 % iron (Fe) and 30 % sulfur (S). The concentrate also often contains small amounts of precious metals and a range of other elements, which we process in the smelters.

Gold Ore Processing, Volume 15 - 2nd Edition

Gold Ore Processing: Project Development and Operations, Second Edition, brings together all the technical aspects relevant to modern gold ore processing, offering a practical perspective that is vital to the successful and responsible development, operation, and closure of any gold ore processing operation.This completely updated edition features coverage of established, newly implemented ...

Mineral Concentrate Marketing - Treatment Charges & Penalties

Lead, zinc and copper smelters each having different smelting practices either give a low return, no payment or a penalty for metals adverse to the particular process. For instance, copper contained in a lead concentrate is paid for at or near the price paid for lead while lead in a copper concentrate will return less than 50% of lead price.

From Ore to Finished Product - copper.org

Copper - From Beginning to End. Copper is a major metal and an essential element used by man. It is found in ore deposits around the world. It is also the oldest metal known to man and was first discovered and used about 10,000 years ago. And as alloyed in bronze (copper-tin alloy) about 3000 BC, was the first engineering material known to man.

Copper Mining and Processing: Everything you Need to Know

Additionally, today's mining equipment makes it possible to reduce waste and decrease chemical exposure during all phases of the copper mining process. The Basics of Copper Mining and Processing. Mined from open pits, copper ore must be crushed as part of the process that occurs between extraction and production.

Copper processing - Roasting, smelting, and converting ...

Copper processing - Copper processing - Roasting, smelting, and converting: Once a concentrate has been produced containing copper and other metals of value (such as gold and silver), the next step is to remove impurity elements. In older processes the concentrate, containing between 5 and 10 percent water, is first roasted in a cylindrical, refractory-lined furnace of either the hearth or ...

Northparkes Copper and Gold Mine - Australia - Mining ...

Open pit copper: 0.003 million tons, with 0.325 underground. Open pit gold 0.008 million ounces, 0.357 underground. Northparkes Mines is a copper-gold mine near the remote Australian town of Goonumbla, about 27km north-north-west of Parkes, a regional centre in central-west New South Wales. The ...

processing of copper concentrate Video 2 - YouTube

May 06, 2011· Processing of Copper concentrate to pure copper. Skip navigation Sign in. ... Oyu Tolgoi copper-gold mining complex, ... Gold Processing Mill - Duration: ...

Copper Concentrate Processing Equipment - Xinhai

The copper concentrate processing equipment needed in copper ore processing is complex because of the different property of copper concentrate. However, the main copper processing equipment for copper ore is same as other mining processing steps, including crushing, grinding, flotation separating and …

12.3 Primary Copper Smelting

Copper is produced in the U. S. primarily by pyrometallurgical smelting methods. Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates. Process steps include mining, concentration, roasting, smelting, converting, and finally fire and electrolytic refining. 12.3.2 Process Description2-4

Copper Concentrates - Cargo Handbook - the world's largest ...

Copper concentrate is the first commercial product of the copper production line and is composed of approximately equal parts of copper, iron and sulfide. Concentrates are the raw material for all copper smelters, which by processing it obtain an impure form of metallic copper, anode or blister copper, which is later used to produce high purity ...

Case Study Flowsheets: Copper–Gold Concentrate Treatment ...

This process is believed to be adaptable to the recovery of gold (and silver) from copper leach residues containing sulfur and may well open a new route for combined copper- and gold-processing options for copper concentrate producers. More details on this process may be found in Chapters 28 and 50 Chapter 28 Chapter 50. 2.

How and why do we produce gold and copper concentrates ...

for its minerals. It is important to note that our gold/copper/silver concentrates are already a highly processed and beneficiated product. Whilst the smelters do charge to process our concentrate, on average for the contract terms that we have agreed with the overseas smelters, we receive 97% of the total value of gold, silver and copper.

Gold extraction - Wikipedia

Sometimes gold is present as a minor constituent in a base metal (e.g. copper) concentrate, and is recovered as a by-product during production of the base metal. For example, it can be recovered in the anode slime during the electrorefining process.

Opportunities for Precious Metals Toll Processing and ...

of a copper concentrate processing facility. Potential developers could include the producers of concentrate and operators of concentrate processing facilities in other states. Nevada is a mining-friendly jurisdiction, and potential locations for a copper concentrate processing facility were identified with access to transportation, energy, and air

A game changer for copper processing - Australian Mining

May 03, 2017· FL's Rapid Oxidative Leaching (ROL) technology is facilitating and maximising clean copper production from hard-to-process and arsenic-heavy concentrates. Designed to …

» Final Clean-up and Recovery of Your Gold

There are several types of final clean-up devices on the market which can help you process the final concentrates, including different kinds of wheels, bowls and miniature sluicing systems. They all work pretty well when set up properly. Here is a video sequence demonstrating the use of a gold wheel to facilitate final clean-up:

Gold Smelting & Refining Process

The last product is characterized for containing small amounts of gold and silver. The treatment of these products depends on the metallurgical extractive process of lead and copper. Gold Smelting Equipment It has been shown that concentrates obtained by gravity …

Gold processing - Mining and concentrating | Britannica.com

Gold processing - Gold processing - Mining and concentrating: The nature of the ore deposit determines the mining and mineral processing techniques applied. Oxide ore deposits are frequently of such low grade (e.g., 3 to 10 parts per million) that extensive mineral processing cannot economically be justified. In this case they are merely shattered by explosives and then piled into heaps for ...

Environmental benefits of the CESL Process for the ...

The processing of high-arsenic copper-gold concentrates using the CESL Process at a planned custom refinery in Peru was compared to two baseline scenarios that represent business-as-usual in the industry: 1. high-arsenic copper-gold concentrates are sent for direct smelting to the Tsumeb smelter in Namibia (Baseline 1); and 2. high-arsenic ...