gold mine tailings treatment in bulgaria

Krumovgrad Gold Mine Project - EBRD

Dec 2, 2014 ... Submitted to. Dundee Precious Metals Krumovgrad EAD. Submitted By. AMEC Earth & Environmental UK Ltd. Non-Technical Summary. Environmental and Social Impact Assessment. Krumovgrad Gold Project, Bulgaria...

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Plans for Gold Mine Divide Bulgarians - The New York Times

Oct 31, 2011 ... Spurred by the rising worldwide demand for gold, a Canadian mining company, Dundee Precious Metals, and its Bulgarian subsidiary, Balkan Mineral ... And the planned waste facility — where as much as 14.6 million tons of waste rock and 7.2 million tons of tailings would be deposited over the expected...

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Placer gold in SW-Bulgaria: Past and present - Springer Link

Gold mining and beneficiation in SW-Bulgaria dates back to antiquity. Investigations of the area have made unique discoveries. Small archaeological gold artifacts. (ringlets, wire etc.) of yet unknown age, as well as gold prills and beads from melting, have been found together with native gold. Occasionally, platinum-.

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Dundee Precious Metals - Operating Regions - Development ...

The project plan contemplates the construction of an open pit mining operation comprised of a process plant, which will employ conventional crushing, grinding and flotation processing for gold extraction, and the disposal of thickened tailings, together with mine rock waste, in an integrated mine waste facility ("IMWF").

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Dundee Precious Metals Provides Krumovgrad Gold Project Update

Jun 6, 2016 ... "The updated economics on Krumovgrad continue to support the commercial and economic viability of the project and enables DPM Bulgaria to build on the success we have already built at Chelopech," stated Rick Howes , President and CEO. ... Tailings treatment & IMWF costs(2), 1.88. General &...

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The Mineral Industry of Bulgaria in 2011 - USGS Mineral Resources ...

construction of a gas treatment plant with the goal of limiting the output of sulfur ... 70,000 t/yr (Aurubis AG, 2009, p. 66; 2011). Gold.—Dundee Precious Metals Inc. of Canada was. Bulgaria's leading producer of mined gold, and in 2011, its. Chelopech ... gold and 35,000 troy ounces (1,100 kg) of silver for 9 years. Cambridge...

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Integrated Mine Waste Storage Concept, Krumovgrad Gold Project ...

Nov 6, 2011 ... This paper presents the evolution of mine waste management strategies for the Krumovgrad Gold. Project. ... requirements that would apply to Bulgaria when it entered the European Union in 2007. Issues that .... use in process or treatment, if required, prior to release to the environment. The IMWF does not...

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New legislation to attract investors - Euromines

Jul 30, 2010 ... integration of environmental issues into all areas of economic activity. This has included controversial plans to ban the use of cyanide in gold-mining activities in the country, a move that has been opposed by both the mining industry and the European. Commission. The Bulgarian mining sector comprises...

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Bulgarian Village Rises Up against Dundee Gold Mine - Novinite.com

Jul 31, 2012 ... The local community near Dundee Precious Metals' gold mine in Bulgaria has grown even more hostile, claiming the company is detrimental for the ... the nearby villages in the picturesque Rhodope mountains, predominantly ethnic Turks and Pomaks, are worried that the planned waste facility would be...

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FIFTH SECTION CASE OF IVAN ATANASOV v. BULGARIA - eufje

Dec 2, 2010 ... IVAN ATANASOV v. BULGARIA JUDGMENT. 3 containing the dust spread from the pond, but would not lead to the pond's full reclamation. Moreover, ET Marin Blagiev had not specified the chemical composition of the sludge from the Plovdiv waste-water treatment plant. It appeared to contain heavy metals...

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The power of patience

May 10, 2017 ... The new Bulgarian gold mine under construction by Dundee Precious Metals looks modest on paper. At an annual throughput of ... The redesign also cut out the conventional tailings dam and replaced it with an integrated mine waste storage facility that uses a tenth of the space. Tailings will be thickened to...

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Tailings No Longer Trash? An Update on Reprocessing Technologies

Apr 4, 2017 ... Researchers from the University of Manitoba tested toxic metalloid-reducing bacteria discovered in highly polluted abandoned gold mine tailings in ... The researchers found that these bacteria, or their enzymes, may be useful for the development of bioremediation technologies, a treatment that uses...

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Utilization of Bergama Gold Tailings as an Additive in the Mortar

The aim of this study was the investigation of utilization of the gold tailings as an additive material in ... gold mine treatment is produced every year during the recovery of gold. Most of the gold mine tailings are stockpile in the tailings dam. With the expansion and ..... Mineral Processing in the 21st Century, Varna, Bulgaria,.

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Cyanide in Lima Beans! — Mining Focus

This is why in the plants at gold mines the pH of cyanide solutions at maintained at values near 10.5 in order to prevent volatilization. ..... For example water from the Waihi gold mine (located in New Zealand) tailings pond following treatment for the removal of residual cyanide is allowed by government consent to be...

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PRECIOUS METALS

reducing the scale of the mine, improving the tailings facility and bringing about the elimina- tion of the cyanide technology. As of now the project has acquired most of the ... concentrate containing number of rare earth and above all GOLD, roughly 100 000 tons of concentrate per year). DPM Bulgaria is registered in The.

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Gold Ore Processing, Volume 15 - 2nd Edition - Elsevier

Uses of Gold; 5. Occurrence of Gold; 6. Processing of Gold Ores; 7. Gold Standards and Assaying; 8. Gold in Currency; 9. Banks; 10. Gold Museums. Part I. Project ... Closure and Rehabilitation of Gold Mines with a Focus on Tailings Storage Facilities. 1. .... Case Study Flowsheets: Copper–Gold Concentrate Treatment. 1.

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Canadian Company Dundee Precious Metals Plans for Golden Mine ...

... Refugees and Migrant Crisis - Lesbos · Europe's Refugees and Migrant Crisis - Macedonia · Ukraine Crimea Under Siege 2014 · As European Barriers Fall, Bulgarians Feel West's Tug for The INYT · Srebrenica · News Singles AFP · Canadian Company Dundee Precious Metals Plans for Golden Mine in Bulgaria for INYT...

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Mining-Related Selenium Contamination in Alaska, and the ... - MDPI

Mar 21, 2017 ... The mining of coal, precious metals (gold and silver), and metallic sulfides are key contributors of selenium from ... Various tailings discharge treatment methods are employed by the mining industry to prevent, control and .... University of Mining and Geology, Bulgaria and Saarland University, Germany. [27].

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study for the presence of gold and evaluation of its quantitative ...

Jul 4, 2014 ... STUDY FOR THE PRESENCE OF GOLD AND EVALUATION. OF ITS QUANTITATIVE CONTENT IN MINING WASTE. Alеxander Penchev, Iren Tsibranska. University of Chemical Technology and Metallurgy. 8 Kl. Ohridski, 1756 Sofia, Bulgaria. E-mail: alexandar.penchev@gmail.com. ABSTRACT.

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ENHANCED PRECIOUS METALS RECOVERY BY THE MEANS OF ...

OF GOLD BEARING - LOW GRADE COPPER ORE ... The final flowsheet proposed encompasses leaching of the remaining tailing product with thiourea in ... Bulgaria a limited amount of gold is produced mainly as by-product from such kind of ores. Most of this gold is produced in metallurgical refining stage from flotation...

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Map showing the structural-metallogenic zones and ore deposits in...

2003b) and to present the results of the first nationwide geochemical survey of river water and sediment in Bulgaria. 1995), the erosion of spoil tips and contaminated floodplains (Brewer and Taylor 1997; Dennis et al. 2009; Lewin et al. 1977), and mine tailings dam failures (Bird et al. 2008; Hudson-Edwards et al. 2003...

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The Baia Mare Gold Mine Cyanide Spill: Causes, Impacts and ...

Apr 12, 2000 ... On January 30th 2000, the dam containing toxic waste material from the Baia Mare Aurul gold mine in North Western Romania burst and released 100,000 cubic meters of ... The cyanide contaminated water has now been carried to the river Danube which flows through Serbia, Bulgaria and Romania.

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Delivering value to the mining industry | Veolia

Water, waste and energy, especially in remote parts of the globe represent a substantial portion of a Mine's expenses. Energy can even account for over 30% of operating costs. By working to improve the operation and maintenance performance of their environmental assets, Mining companies can significantly reduce their...

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Energy, utilities & resources: Industries: PwC

PwC's Energy, utilities and resources practice comprises more than 12000 people focused on serving energy, power, mining, metals and chemical clients.

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Mining conflicts around the world: the environmental justice ... - Ejolt

Mining Conflicts around the World: Common Grounds from. Environmental Justice Perspective, EJOLT Report No. 7, 198 p. Mining conflicts around the world. Common ... 2 Adatepe gold mine, Krumovgrad (Bulgaria) –. Are legal .... Foreword. Conflicts over resource extraction or waste disposal increase in number as the.

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Stopping Eldorado Gold – Mining Struggle in Greece

With its acquisition of the Canadian European Goldfields in 2012 and the Australian Glory Resources in 2013, Eldorado Gold now owns all gold-mining projects in Greece. The corporation operates in Greece, in a context of a severe debt crisis and ensuing subjection to a shock therapy by its European creditors and the IMF...

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Euromax gold Ilovica Mine in Macedonia is spreading fear of heavy ...

May 9, 2017 ... Under a veil of secrecy, in the foothills of Ograzden Mountin in southeastern Macedonia, near the town of Strumica, machines of the Canadian company Euromax Resources are extracting ore rich in gold and copper. The American-Bulgarian company Phelps Dodge Vardar have explored the soil around...

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potential environmental impacts of mining - Alternative Projets miniers

5. Simplified Mining process and global Impacts on water. Rainfalls. Mine water discharge. Tailing dams. Seepage. Leaching. Modified pathways. Extraction. Ore processing. Smelting ... 13. Mining metals (5). Acidic and metals-bearing soils and water. Assarel copper mine. (Bulgaria). Rosia Montana gold mine. (Rumania)...

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Exposure of the Public from Large Deposits of ... - IAEA Publications

D.G. Wymer of the Division of Radiation, Transport and Waste Safety. ..... and mineral processing residues such as 'red mud' from bauxite production, gold tailings, ... Residues from uranium mining include waste rock, tailings, treatment sludges and so-called. 'clean waste'. Clean waste has no specific definition but based...

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Outotec ASTER™ Process

ASTER, an acronym for Activated Sludge Tailings Effluent Remediation, was developed in the late 1990s by researchers of the then Billiton Process Research Laboratories and engineers from Gold Fields Limited. The ASTER process has typical hydraulic residence times of between six and thirty hours, depending on such...

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Mine Drainage: Characterization, Treatment, Modeling, and ...

rock drainage, mine waste, AMD treatment doi: 10.2175/106143014X14031280668092. Mine Drainage ... Globe-Progress gold mine, New Zealand, were circumneutral (pH 6-8) with high HCO3. - and SO4 ...... Bulgaria; International Multidisciplinary Scientific. Geoconference, 213-218. Klein, R.; Schlomann, M.; Zeng, Y.;...

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VOLUME 33 NUMBER 1, 1977

University of Mining and Geology “St. Ivan Rilski”, Faculty of Mines,. Department of Mineral Processing and Recycling, 1700 Sofia, Bulgaria. (Received: January 9, 2014; Accepted: May 27, 2014). Abstract. The treatment of flotation tailings is today a subject of interest in mineral processing because of the potential of.

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