Copper extraction - Wikipedia

The copper sulfate solution (the pregnant leach solution) is then stripped of copper via a solvent extraction and electrowinning plant, with the barred (denuded) sulfuric acid recycled back on to …

Sulfuric Acid Environmental Profile -

Ore from the mine is upgraded using a flotation process to produce copper concentrate. The copper concentrate entering the smelter is about one-third copper, one-third iron, and one-third sulfur, with ... contact acid plant where the sulfur dioxide is converted to sulfuric acid. In this way, the acid plant acts as a pollution control device ...

Large Metallurgical Acid Plant – Reference Site – Mt Isa ...

This was the largest metallurgical acid plant ever built and only the second time that separate companies intended to operate a smelter and the downstream acid plant. ... The Process. The Mt Isa plant site comprises five main areas: ... sulphur dioxide gases were emitted from the 270m lead smelter stack and the 153m copper smelter stack. The ...

copper production plant by leaching -

CiDRA Minerals Processing, Inc. 50 Barnes Park Copper Processing Plant Improves Up-Time and raffinate, is replenished and returned to the leach pile. ... Acid Leaching - Copper Ore Treatment Method - 911 Metallurgist. The autoxidation method has been successfully used for some years in small plants in Europe, South America.

Heap leaching - Wikipedia

Heap leaching is an industrial mining process used to extract precious metals, copper, uranium, and other compounds from ore using a series of chemical reactions that absorb specific minerals and re-separate them after their division from other earth materials.

copper and molybdenum processing plant -

Oct 03, 2018· Mineral processing plant for copper and molybdenum recovery from . ... By-product mines, where the extraction of copper-bearing ores is the Desulfurisation systems such as sulfuric acid plants or lime scrubbers. Contact Us. Molybdenum mining in the United States.

Copper Plant 2 -

The new copper plant was successfully put into operation in the summer 2011. ... the Zinc plant and the Cu-bearing middlings from the Lead plant are processed at the copper plant; ... acid production. Plant Description Process-wise the new plant which is shown in figure 1 …

Energy and Environmental Profile of the U.S. Mining Industry 5

Copper processing or pyrometallurgical processes employ high-temperature chemical ... acid plant, which converts the sulfur dioxide-rich gases to sulfuric acid (a useable ... Energy and Environmental Profile of the U.S. Mining Industry. Energy and Environmental Profile of the U.S. Mining Industry Ore . Crushing Grinding Metal. 4. Copper .


The Lurgi-Mitsubishi Double Contact Absorption process is applied in sulfuric acid plant to convert SO 2 in smelter off-gas into sulfuric acid with sulfuric recovery ratio in the world's highest level at more than 99.8%. The sulfuric acid is supplied through pipeline to the next door fertilizer company

Shalina Resources - a leading and established copper ...

The first acid plant was commissioned in 2005 with a capacity of 100tpd at Usoke Ave. The sulphuric acid produced at the Usoke compound is used in the leaching of mined ore for the production of copper cathodes and cobalt carbonate.

Acid Leaching – Copper Ore Treatment Method

For most plants the acid must be produced. PRODUCTION OF SULPHURIC ACID. Since an acid strength of above 7% is not normally required, the "Autoxidation" process for acid production can be set up for less expense than for other processes.

Copper Smelting Process - Furnaces Used, By-Products, and ...

Sulphuric dioxide gas is created in smelting copper process and is converted sulphuric acid which is used in some of the smelting processes or sold as a by-product. Bright Hub Engineering. ... During the process, the gas given off is converted to sulphuric acid, which can be used in the plant …

Acid Plant - Aurubis

Acid Plant. Processing sulfur technological gases formed in pyro-smelting copper concentrate processing in a smelting furnace and the converters in metallurgical production results in sulfuric acid production. Two systems for sulfuric acid production are used and managed with an automatic system.

Design Considerations for Sulphuric Acid Plants

Design Considerations for Sulphuric Acid Plants Short Course Sulphuric Acid Production Technologies Presented by Douglas Louie ... Batch Processing. Cobre-Copper 2010, Hamburg, Germany, June 6-10, 2010 4 ... for a particular contaminate. In general, acid mist, copper, iron and nickel are easy to collect. Zinc, lead, arsenic and antimony are ...

Copper Smelting - IFC

Copper Smelting Industry Description and Practices ... and is less expensive to convert to sulfuric acid. (Note that the INCO process results in 80% sul-fur dioxide in the off gas.) Flash processes have ... for at least 95% of the time that the plant or unit is operating, to be …

Modular Sulfuric Acid Plants for African Copper-Cobalt Plant

Espoo/Finland — The contract includes the delivery of three skid mounted, modular sulfuric acid plants that will produce the acid and SO 2 gas required in the process of the new Mutoshi copper-cobalt plant. According to the supplier, the plant concept ensures the benefits of modular prefabricated plant delivery, such as low investment ...

Chapter 8 Environmental Aspects of Copper Production

In making sulfuric acid, the hot gases are first collected from the roasters, furnaces, and con-verters (see box 8-B). The gases are cooled, cleaned (through three series of dust collection systems) to recover copper from the dust and prevent foul-ing of the acid plant, and then treated with sul-furic acid to remove any water vapor. Catalysts

Copper Mining and Processing: Processing of Copper Ores ...

Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) ... The anode slabs are hung in a large tank full of an electrolyte solution made of copper sulfate and sulfuric acid. Thin sheets of pure copper, which are called cathodes and weigh about 15 pounds each, are hung in between the anodes.

Rio Tinto Kennecott

Kennecott produces about one million tonnes of sulphuric acid each year as a product of the smelting process. The sulphuric acid is delivered to gold, copper, uranium, and beryllium metal producers, fertiliser producers, chemical manufacturers, power plants, steel companies, farmers, and companies involved in water treatment across the US.

Acids - Hindalco

Copper slag is produced during the smelting process at Hindalco's copper smelter located at Dahej. Aluminium fluoride: Hindalco produces aluminium fluoride by reacting HFA (a by-product of the phosphoric acid plant) with aluminium hydroxide (from Hindalco's aluminium manufacturing facilities).

Chapter 6 Copper Production Technology - Princeton University

Chapter 6 Copper Production Technology ... Dissolution of copper from ore in sulfuric acid solvent, collection of solvent for ... aMining is essentially a Comminution process (see table 6-l); dump leaching uses materials that have already been mined and broken UP withexdosives

Sulfuric acid and the Contact process - YouTube

Apr 26, 2012· The manufacture of sulfuric acid using the Contact process. Skip navigation ... Sulfuric acid and the Contact process Chris Goodman ... Finding Something Unexpected in an Abandoned Copper …

By Products - Sterlite Copper

At Sterlite Copper the sulphur dioxide gases generated during copper smelting process is collected and ducted to the Sulphuric Acid Plant. Set up with basic engineering from Kvaerner Chemetics, Canada, the plant is based on the absorption process known as DCDA, and can produce about 12,00,000 tonnes of Sulphuric Acid per annum.