mining copper tailings spain

Geochemistry of a copper mine tailings deposit in ...

2018-12-10 · Within copper mining and extraction, the resulting tailings usually account for a high proportion (up to 99%) of the mined ore . Submarine tailing disposal is considered to be a viable option as the tailings are not visible on land, may be more stable on the ocean floor and are less likely to oxidize in the submarine environment.

Economic Potential for reprocessing Copper Mine …

2016-7-31 · Four copper mine tailings in Chile were investigated for their elemental and mineral composition, in order to evaluate the potential for economic reprocessing. The sample material, taken for processing had Cu-contents between 0.1 and 0.5 %. Copper was abundant in various primary (mostly chalcopyrite) and secondary (cuprite, atacamite, b

Evaluation of metal mobility from copper mine tailings in ...

Evaluation of metal mobility from copper mine tailings in northern Chile. ... Cartagena, Spain. This work shows the results obtained on a copper mine tailing in the Antofagasta Region, Chile. The tailing was classified as saline-sodic with high concentrations of metals, …

First in the world: photovoltaic plant built over mining ...

2019-3-15 · 15 Mar, 2019. In Chile, we have launched a pilot photovoltaic plant that has been built over a tailings pond – the first of its kind in the world. The initiative consists of 256 photovoltaic panels (330 watts each) installed on Las Tórtolas pond at Los Bronces copper mine…

Reusing gold-mine tailings in cement mortars: Mechanical ...

Abstract Unexpected closure of the operations at an abandoned mine in the Lefke-Xeros area of Cyprus has resulted in an enormous environmental degradation and health hazards in the locality. In order to explore the possible ways for the rehabilitation of the abandoned mine site as well as to suggest alternative waste management approaches, gold mine tailings of Lefke-Xeros area …

Sandfire makes $1.8B Spain copper acquisition

2021-9-23 · Sandfire makes $1.8B Spain copper acquisition. Sandfire Resources has agreed to acquire an operating copper complex in Spain for US$1.865 billion (A$2.572 billion). The company has entered into a ...

Boliden Ltd Zinc, Copper, Lead and Silver Mine

Los Frailes zinc, copper, lead and silver mine is approximately 45km west of Seville in southern Spain. The mine was operated by Boliden Apirsa SL, then a wholly owned subsidiary of Boliden Ltd, but following a major tailings dam failure in …

Spain''s OHL to oversee El Teniente''s tailings facility ...

Spain''s OHL to oversee El Teniente''s tailings facility. Valentina Ruiz Leotaud ... which is the world''s largest underground copper mine and the sixth biggest by reserve size, ...

Retreatability analysis of the Musina copper mine tailings ...

2020-9-16 · Mining the tailings for copper could offer a self-funding option that has the potential to complete proper rehabilitation. The main risk is associated with the possible inhalation or ingestion of dust, and any remediation of the tailings dumps and rock dumps should include stabilising the surface (e.g. by using vegetation).

Geotechnical Properties of Mine Tailings

2017-1-13 · Compared to the copper tailings, the iron tailings showed higher compressibility, lower permeability, lower strength, and lower cyclic resistance. With the decrease in void ratio, the coefficient of consolidation almost kept constant for the fine iron tailings, whereas for the fine copper tailings, the coefficient of consolidation gradually ...

TOLEDO COPPER MINE TAILINGS STORAGE FACILITY …

2018-1-10 · CARMEN COPPER CORPORATION TOLEDO COPPER MINE TAILINGS STORAGE FACILITY ECC AMENDMENT T&M CONSULTANCY & ALLIED SERVICES G 6 The ACMDC April 2005 Report on "Environmental Protection and Enhancement Program" that highlights the strategies and activities that Atlas is required, under DAO No 96-40, to commit …

Boliden Ltd Zinc, Copper, Lead and Silver Mine

Boliden Ltd Zinc, Copper, Lead and Silver Mine - Mining ...

Major El Teniente tailings project for Spain''s OHL ...

2017-12-27 · Major El Teniente tailings project for Spain''s OHL. Posted by Paul Moore on 27th December 2017. Spain''s OHL has been awarded a contract at the largest underground copper mine, El Teniente, located 120 km from Santiago …

Tailings

The Global Industry Standard on Tailings Management. The Global Industry Standard on Tailings Management (GISTM) is the result of the Global Tailings Review, a collaboration between the International Council on Mining & Metals (ICMM), of which we are members, the United Nations Environment Programme and the Principles for Responsible Investment.. The Review …

Heavy metal distribution and chemical speciation in …

Soil pollution by lead, zinc, cadmium and copper was characterized in the mine tailings and surrounding soils (arable and pasture lands) of an old Spanish Pb–Zn mine. Sixty soil samples were analyzed, determining the total metal concentration by acid digestion and the chemical fractionation of Pb and Zn by the modified BCR sequential extraction method.

Stabilization characteristics of copper mine tailings ...

2016-1-25 · This paper presents the feasibility of incorporating copper mine tailings (MT) as a partial substitute for cement in the development of concrete. The copper mine tailings used for this study have been accumulating for several decades at the tailings dump of Hindustan Copper Ltd. at Khetri, Rajasthan. Hence, alternative uses of MT need to be thought while keeping in mind …

Our Company | Lundin Mining Corporation

Acquire Tenke Mining Corporation – primary asset is the large copper and cobalt Tenke Fungurume Project in DRC. Announce expansion plans to quadruple zinc production at Neves-Corvo Mine and commence copper production at Zinkgruvan Mine. Acquire Rio Narcea Gold Mines, Ltd. – primary asset is the nickel-copper Aguablanca Mine in Spain

Mine Tailings, Tailings in Mining, Gold Tailings ...

The iron tailings discharge from iron ore plant is in large amount, fine size and different types, and complex property, so Xinhai use the process of magnetic separation, flotation, acid leaching and flocculation to recover iron. Xinhai usually use all-slime cyanide process and carbon-in-pulp process to recover the gold from gold tailings.

The Failure of the Aznalcóllar Tailings Dam in SW Spain ...

2021-1-27 · The Aznalcóllar tailings dam was part of an open pit mining complex that produced copper, zinc, and lead. The major component of the tailings was pyrite (78–83%), along with sphalerite, galena, and chalcopyrite, while non-exploitable rock (shales, greywackes, dacites, and rhyolites) comprised 85% of the total mined volume.

RIS-CuRE: Zero waste recovery of copper tailings in the ...

Project duration: 1 January 2019 – 31 December 2021 Objective Although mining and processing tailings can present a substantial risk to the environment, on the other hand, they represent valuable sources of secondary and in particular critical raw materials. Serbia and FYR Macedonia have an abundance of Cu mines which have been exploited since ancient times. […]

GEOCHEMISTRY OF TAILINGS AT MALANJKHAND …

2017-4-18 · spillage accident of the mine tailings in Aznalcollar, South West of Spain. These heavy metals contaminated the water bodies (Grimalt et al., 1999). In El Salvador copper mine, Chile the tailings affected the coastal shores of North Chile. The tailings …

Reinforced Mine Tailings Pond Closure in Huelva, Spain ...

2021-8-12 · Spain, Huelva. The Sotiel Coronda mining complex is located at Calanas in the province of Huelva (Andalucia), Southwest Spain. This was a huge deposit of pyrite mineral that had been extracted over centuries of mining in the area. The main mineral extraction activity was the processing of copper, lead and zinc, as well as the production of ...

Neves-Corvo | Lundin Mining Corporation

Neves-Corvo is a mainly copper and zinc mine producing copper, zinc and lead concentrates. The operation is owned and operated by Lundin Mining''s Portuguese subsidiary Somincor. Lundin Mining acquired Neves-Corvo as part of the company''s 2006 merger with EuroZinc Mining. m 2017 NI 43-101 Technical Report. Mine Copper, Zinc, Lead and Silver.

Mining | Sectors | TH

The project involved the reopening of a copper mine with all the associated poly-metallic ores and a consistent annual expected output of 40 kt of zinc concentrate, 10 kt of copper concentrate and 12 kt of lead concentrate, plus associated gold and silver. Industry: Mining…

Utilization of Copper Mine Tailings as Road Construction ...

The geopolymer binder was produced with copper mine tailings (MT) and low-calcium slag (SG). The effect of water to solid (w/s) ratio, SG content (0, 25 and 50%), sodium hydroxide (NaOH) concentration (5, 10 and 15 M), and sodium silicate (SS) to sodium hydroxide ratio (0.0, 0.5, 1.0 and 1.5) on the unconfined compressive strength (UCS) were ...

Leaching copper tailings

2020-10-28 · the electro-motive series than is copper, which will replace the copper in solution and precipate it out . as . cement copper. All that is now necessary to do to the copper to prepare it for market, is to refine it . by . one of the common refining schemes. The copper often occurs in the material to be leached in an unsoluble condition.

Tailings Retreatment: The Next Revenue Source for the ...

Tailings deposited into dams are in the form of a slurry. In 1998, a tailings dam failed at the Los Frailes zinc mine in Spain, causing more than one billion gallons of acidic, heavy metal-laden sludge to spill into the surrounding area, eventually making its way into the Guadiamar River. The spill decimated the area, resulting in massive ...