production of copper mine tailings

Bingham Canyon Mine - Wikipedia

The copper operations at Bingham Canyon Mine are managed through Kennecott Utah Copper Corporation which operates the mine, a concentrator plant, a smelter, and a refinery. The mine has been in production since 1906, and has resulted in the creation of a pit over 0.75 miles (1,210 m) deep, [5] 2.5 miles (4 km) wide, and covering 1,900 acres (3 ...

Towards mine tailings valorization: Recovery of critical ...

In copper mining, tailings can account for 95–99% of crushed and ground ores (Edraki et al., 2014). Worldwide, mine tailings are produced at a rate of anywhere from five to fourteen billion tons per year (Adiansyah et al., 2015; Edraki et al., 2014; berger, 2016).

Major Mines & Projects | Boddington Mine

Mining is done predominantly on 12 m benches. All drilling operations are performed by Newmont with Newmont owned rigs. Vertical production holes are drilled vertical (229 mm diameter) with a nominal bench height of 12 m, with 1.5 m subdrill for a 13.5 m overall hole length.

Mining Process | Konkola Copper Mines Plc

The main refinery at Nkana uses electrolysis to process copper anodes to LME A grade copper cathodes. It has been expanded to accommodate the increased anode production from the Nchanga smelter. The Nchanga Tailings Leach Plant (TLP), one of the largest of its kind in the world, processes tailings from the Nchanga concentrators and stockpiled ...

Retreatability analysis of the Musina copper mine tailings ...

Mine closure is normally the last stage of production, especially when production costs overshoot mineral gains [], the mine runs out of resources and/or commodity prices drop [].Today, mine closure is defined as a budgeted, orderly, safe and environmentally sound conversion of an operating mine to a closed state [].However, derelict and ownerless mines exist globally.

Production of Eco-Friendly Bricks from Copper Mine ...

copper mine tailings (MT), reagent grade 98% sodium hydroxide (NaOH), and de-ionized water. Table 1 shows the chemical composition of the mine tailings. It can be seen that the mine tailings consist mainly of silica and alumina with substantial amount of calcium and …

CHAPTER II MINE TAILINGS 4 FACILITIES: OVERVIEW 3 2 AND ...

This chapter provides an overview of mine tailings and mine tailings facilities. It illustrates why and how mine tailings are produced, and the complexity involved in the long-term storage and management of this waste product. The call for a global standard for mine tailings management is a response to recent catastrophic facility failures.

New Tailings Reprocessing Technology ... - Advancing Mining

Several efforts are underway to extract gold and copper from tailings. Reprocessing mine tailings may also have environmental benefits. A recent project described in Mining.com is a series of experiments carried out by an international group of scientists to produce approximately 30 years of passive carbonation of mine tailings within four weeks.

Solutions for Gold Mine Tailings - Mining-pedia

The gold mine tailings are used to produce high quality road cement and sulfuric acid resistant cement. In addition, according to different particle size requirements, the gold tailings particles can be used directly as coarse and fine aggregates for concrete without processing, which makes concrete have higher strength and better durability.

Copper - Jubilee

Copper Strategy. Focussed on replicating the PGM and chrome success seen in South Africa, Jubilee is focussing on growth in copper operations in Zambia where there is a huge supply of on-surface copper waste material, with the view to taking a leading role in the processing of surface tailings by applying technical know-how and IP.

Utilization of Copper Mine Tailings as Road Construction ...

Finally, the production of geopolymer concrete by using copper mine tailings (MT) and low-calcium slag (SG) as both the cementitious binder and aggregates was studied. 50% MT and 50% SG, both passing sieve No. 200, were used together as the binder material, and MT and SG, with a particle size larger than sieve No. 200 and at designed ...

THE FUTURE OF MINING TAILINGS MANAGEMENT - YouTube

Water Management is becoming a priority in Mining applications Recent disasters from all over the world clearly demonstrate the dangers of traditional mining...

Top 10 active copper mines in Canada | Mining & Energy

The Gibraltar mine was originally built in 1972 and designed to process 36,000 tonnes of ore per day. Taseko Mines came along and purchased the site in 1999, and in 2004 it gave the project a $700 million restart, realizing its vast potential for increased copper production. Now, it is the second-largest open-pit copper mine in Canada and the ...

Mine tailings: reprocess, recover & recycle – The ...

Say a copper mine produced 1Mt of metal in 1999 at 90% recovery. The remaining 10% of copper, around 111kt, went to tailings. If the average copper price in 1999 was US$1,500/tonne then that 10% represented US$166.5 million of metal. Fast forward 20 years and at today's price, US$5,842/tonne, if that material could be reprocessed and an extra ...

U.S. Copper Porphyry Mines Report - Earthworks

The 14 mines represent 87% (14 out of 16) of currently operating copper porphyry mines, and 89% of U.S. copper production in 2010 – the most recent data on copper production available from the U.S. Geological Survey. The mines were chosen based on an operating record of more than five years.

Production of eco-friendly bricks from copper mine ...

Considering the fact that a large amount of copper mine tailings are generated each year [24–26] and that copper mine tailings are rich in silica and alumina and can be used as a potential source material for production of geopolymers [19,27–30], this paper studies the feasibility of utilizing copper mine tailings to produce

Stabilization characteristics of copper mine tailings ...

Ahmari and Zhang utilized copper mine tailings instead of clay and shale for production of eco-friendly bricks having significant environmental and ecological benefits, which meet the ASTM requirements, based on the geopolymerization technology and do not require high temperature kiln firing as in ordinary bricks.

Dry Stack Tailings Facility - SlideShare

Dry Stack TSF Design Criteria • Production rate of 75,000 tpd or 27 MT per annum • Storage capacity of 587 MT • Mine life approximately 20 years • Average tailings in-place dry density of 109 pcf • 50-foot lifts with final bench width of 25 feet per lift 4.

Tailings - Wikipedia

Terminology. Tailings are also called mine dumps, culm dumps, slimes, tails, refuse, leach residue, slickens, or terra-cone (terrikon).. Examples Sulfide minerals. The effluent from the tailings from the mining of sulfidic minerals has been described as "the largest environmental liability of the mining industry". These tailings contain large amounts of pyrite (FeS 2) and Iron(II) sulfide (FeS ...

Method of environmental cleanup and producing building ...

The utilization of the copper mine tailings for producing the AAC building material, not only rids the countryside of the blight of the mountains of mine tailings waste material, but also preserves the natural resources by using the available silica, lime and other contained elements, and further conserves energy because the silica in the mine ...

[PDF] Production of eco-friendly bricks from copper mine ...

Abstract This paper studies the feasibility of utilizing copper mine tailings for production of eco-friendly bricks based on the geopolymerization technology. The procedure for producing the bricks simply includes mixing the tailings with an alkaline solution, forming the brick by compressing the mixture within a mold under a specified pressure, and curing the brick at a slightly elevated ...

2021 News | Ivanhoe Mines Ltd.

Kamoa-Kakula to begin copper production within a month. Mining crews deliver a record 409,000 tonnes of ore grading 5.71% copper in April, including 121,000 tonnes grading 8.40% copper from the centre of the Kakula Mine. Pre-production ore stockpiles now hold three million tonnes grading 4.74% copper, containing more than 140,000 tonnes of copper. Kamoa-Kakula's first phase, …

US5286427A - Method of environmental cleanup and …

A method of environmental cleanup by producing an autoclaved aerated cement building material (termed AAC) by a process that uses the available silica sand and other raw materials in mine tailings, in particular copper mine tailings from porphyry copper mines. The process minimizes the need for processed silica sand and other raw materials, normally used in the production of the AAC building ...

Copper production & environmental impact

(Mining Industry Profile: Copper) Tailings. Tailings are generated during flotation. Tailings are made up of very fine host rock (i.e., gangue) and nonmetallic minerals separated from the values during beneficiation. The physical and chemical nature of tailings varies according to the ore characteristics and the beneficiation techniques used.

Tailings Management | Ivanhoe Mines Ltd.

The company's first producing mine — the Kamoa-Kakula joint-venture copper mine in the Democratic Republic of Congo — entered first copper production on May 25, 2021. In 2019, Ivanhoe commissioned engineering audits of its planned tailings storage facilities to further safeguard employees and neighbouring communities.

Study of acid mine drainage production potential in ...

The purpose of the present paper was to study of AMD production potential in tailings of Sarcheshmeh copper mine (Kerman, Iran) that is the most important copper mine in Iran. What distinguishes us from other projects is that the relevant experiments in the laboratory of the Amirkabir University consistent with ex vivo mining site were performed.

WO2014055558A1 - Production bricks from mine tailings ...

Methods for utilizing copper mine tailings for production of eco-friendly bricks based on the geopolymerization technology and bricks so produced (Fig. 6). The procedure for producing the bricks includes mixing the tailings with an alkaline solution, forming the brick by compressing the mixture within a mold under a specified pressure, and curing the brick at a slightly elevated temperature.

Bulk utilisation of copper mine tailings in production of ...

The study reveals that good quality of stabilized bricks can be produced from a mixture of copper mine tailings and cement by adopting compressive moulding technique at a moulding pressure of 15 N ...