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desulphurisation of tailings

Jul 01, 2019018332The main goal of this study is to produce desulfurized tailings non–acid generating and a sulfiderich concentrate, with possible gold recovery using material from an aged tailings storage area. Mechanical pretreatment methods were tested as possible methods to enhance flotation and desulfurization efficiency, as well as gold recovery.

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Desulfurization of aged gold bearing mine tailings

Desulfurization of aged gold bearing mine tailings

Jul 01, 2019018332The main goal of this study is to produce desulfurized tailings non–acid generating and a sulfiderich concentrate, with possible gold recovery using material from an aged tailings storage area. Mechanical pretreatment methods were tested as possible methods to enhance flotation and desulfurization efficiency, as well as gold recovery.

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Desulfurization of the Old Tailings at the Au Ag Cu Tiouit

Desulfurization of the Old Tailings at the Au Ag Cu Tiouit

Tailings from the abandoned Tiouit mine site in Morocco are mainly composed of sulfides, hematite, and quartz. They contain 0.06–1.50 wt sulfur, mostly in the form of pyrite, pyrrhotite, and chalcopyrite. The tailings also contain gold 3.36–5.00 ppm, silver 24–37 ppm, and copper 0.06–0.08 wt . Flotation tests were conducted to reprocess the tailings for Au, Ag, and Cu recovery ...

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Desulfurization of aged gold bearing mine tailings

Desulfurization of aged gold bearing mine tailings

Desulfurization by flotation produces sulfidelean tailings, which can be used as cover materials, and sulfiderich concentrates, which may contain valuable sulfideassociated metals such as gold. Because unreclaimed, aged tailings are often at advanced stages of the weathering process the surfaces of sulfide minerals are usually encapsulated ...

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Desulphurisation Of Fine Coal Waste Tailings Using Algal

Desulphurisation Of Fine Coal Waste Tailings Using Algal

Desulphurisation of ˜ ne coal waste tailings using algal lipids Kudzai Chiodza1, Susan TL Harrison 1, Marijke A FaganEndres 1Centre for Bioprocessing Engineering Research CeBER, Department of Chemical Engineering, University of Cape Town, South Lane, Upper Campus, Rondebosch, Cape Town, 7700.

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Desulfurization of the Old Tailings at the Au Ag Cu Tiouit

Desulfurization of the Old Tailings at the Au Ag Cu Tiouit

minerals Article Desulfurization of the Old Tailings at the AuAgCu Tiouit Mine AntiAtlas Morocco Abdelkrim Nadeif 1, Yassine Taha 2, , Hassan Bouzahzah 3, Rachid Hakkou 1,2, and Mostafa Benzaazoua 4,5 1 LCME, Facult233 des Sciences et Techniques, Universit233 Cadi Ayyad, Marrakech 40000, Morocco 2 Materials Science and Nanoengineering Department, Mohammed VI Polytechnic University,

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Desulphurisation – Mine Closure

Desulphurisation – Mine Closure

Low sulphur nonacid generating tailings do not represent a long term liability, which is the most important advantage of the method. Bois et al. 2004 2. Partial desulphurisation Partial desulphurisation means that the tailings fraction is desulphurised only during a few years period before the mine closure.

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Desulphurisation Of Fine Coal Waste Tailings Using …

Desulphurisation Of Fine Coal Waste Tailings Using …

Title Desulphurisation Of Fine Coal Waste Tailings Using Algal Lipids. Author Chiodza, Godknows Kudzai Harrison, Sue FaganEndres, Marijke Created Date

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A 2011 update for the single layer desulphurised tailings

A 2011 update for the single layer desulphurised tailings

installation of an engineered cover system INAP, 2009b. Rehabilitation of tailings utilising an oxygen barrier is a method for controlling and mitigating ARD, and requires that a material can consume oxygen or prevent oxygen flow Bussi232re et al., 2004. Environmental desulphurisation of mine tailings …

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A Comprehensive Review on Reasons for Tailings Dam

A Comprehensive Review on Reasons for Tailings Dam

In southern Spain, the Los Frailes tailings dam failed in 1998, causing the rockfill dam to slide forward and release 1.3 million m 3 of fine pyrite tailings and 5.5 million183m 3 of tailings water 98, 99.The deposition of tailings severely polluted the rivers and surrounding residential lands 100–102.In this event, improper investigation of the geological environment was the primary cause.

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Cementing Property of Cement with Desulfurization and

Cementing Property of Cement with Desulfurization and

With the purpose that the desulphurized and skimming slag tailings powder from Ansteel replaces part of cement, water requirement of normal consistency, soundness, setting time and strength of cement with desulphurized and skimmed slag tailings was researched respectively in this paper. Results demonstrated that both of the compressive strength and the rupture strength of cement mortar of 3 ...

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A laboratory study of covers made of low sulphide tailings

A laboratory study of covers made of low sulphide tailings

Nov 14, 2003018332Benzaazoua M, Kongolo M, Bussi232re B 2000b Effect of the granulometry on desulphurisation feasibility of mine tailings. In Proc 5th Int Conf on Acid Rock Drainage, Denver, USA. Society for Mining Metallurgy and Exploration, Littleton, USA, vol 2, pp 853–861.

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About Tailings – Global Tailings Review

About Tailings – Global Tailings Review

Tailings is a common byproduct of the process of extracting valuable minerals and metals from mined ore. They usually take the form of a liquid slurry made of fine mineral particles, created as mined ore is crushed, ground and processed. Effective tailings management is integral to the safe and sustainable production of metals and minerals.

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Co disposal of waste rock with tailings – Mine Closure

Co disposal of waste rock with tailings – Mine Closure

Tailings and waste rocks are usually disposed of separately. In codisposal, however, the tailings are combined with the waste rocks. The concept has been gaining lots of attention as it is said to offer many advantages over conventional methods. Wickland amp Wilson 2005, Wickland et al. 2006 Description of the methodology

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desulphurization in mineral industry using limestone

desulphurization in mineral industry using limestone

Industries amp Products . Material Handling Solutions 183 Minerals Solutions 183 Tailings management .. In wet flue gas desulfurization systems, limestone calcium carbonate is ground . The SO2 reacts with oxygen and limestone forming gypsum. More details

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Chapter 6   GARDGuide

Chapter 6 GARDGuide

Jul 21, 2014018332Tailings can be thickened removal of water to produce a nonsegregating material or paste ACG, 2006. Selection of thickening technology depends on tailings geochemical and physical characteristics and must be reviewed on a site by site basis. Compaction of placed materials will decrease oxygen diffusion and void ratios, decrease water ...

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From Tailings to Treasure  Miners Make Money …

From Tailings to Treasure Miners Make Money …

New technology allows it to recover up to 40 of the gold left in particle form in tailings. DRD Gold extracted 33,600 ounces of gold, worth nearly US40 million, in the last quarter of 2013. Mintails, a mine tailings processor, has developed new technology to process 350,000 tons of slimes from its extensive tailings resources.

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Long term Risk of Tailings Dam Failure  U S  National Park

Long term Risk of Tailings Dam Failure U S National Park

Yet tailings dam failures events resulting in the escape of tailings andor water from the tailings dam have occurred more frequently than water supply dam failures. Even with the obvious requirement for longterm stability, the number of tailings dam failures since 1970 has significantly exceeded the failures for dams used for water supply ...

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China Power Station Desulfurization Gypsum manufacturer

China Power Station Desulfurization Gypsum manufacturer

Power Station Desulfurization Gypsum, Power Station Desulfurization Gypsum Powder, Cement Tailings Company Introduction Suzhou China electricity desulfurization gypsum supply station is located in Yangtze River Delta Suzhou city Wangting town which is honored as paradise on earth.

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Desulfurization of hematitic concentrate of iron ore of

Desulfurization of hematitic concentrate of iron ore of

In this research, feasibility of the desulfurization process of the highlysulfuric and hematitic concentrate obtained from dry tailings of the magnetite mineral processing plant of GolEGohar of ...

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10 1016 S0301 7516 00 00006 5   DeepDyve

10 1016 S0301 7516 00 00006 5 DeepDyve

Jun 11, 2020018332Tailings samples P and D have low sulphur contents. The gold contents of the two tailings is 0.56 and 0.23 ppm, respectively. One can observe in Table 2 that the main sulphide mineral in all of the tailings studied is pyrite. Sphalerite is a significant component in tailings G and M 1.24 and 1.74 wt., respectively, whereas chalcopyrite does ...

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Tailings   Eco Wiki

Tailings Eco Wiki

Sep 16, 2019018332Tailings are pollutioncausing blocks that are created when smelting ores at a Bloomery and a Blast Furnace.. Stockpiles and other storage including vehicles containing Tailings will leak pollution into surrounding blocks.Only burying Tailings under a significant amount of material will stop them from polluting the surface ground.

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Desulfurization Of Iron Ore How To

Desulfurization Of Iron Ore How To

Desulfurization of hematitic concentrate of iron ore of . Jan 02, 2017183 Environmental desulphurization has been established as an alternative solution to control acid mine drainage due to the reactivity of sulphide tailings ...

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Environmental remediation of sulfidic tailings with froth

Environmental remediation of sulfidic tailings with froth

The removal of sulfidic species in tailings using froth flotation is a promising approach to prevent phenomena such as acid mine drainage. However, flotation requires the consumption of reagents and water that represent additional expenses. Despite the strong interest of scientists and industry alike on tailings remediation, there is no study ...

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Paste Tailings Management   Semantic Scholar

Paste Tailings Management Semantic Scholar

DOI 10.10079783319396828 Corpus ID 135977818. Paste Tailings Management articleYilmaz2017PasteTM, titlePaste Tailings Management, authorErol Yilmaz and Mamadou L Fall, journalPaste Tailings Management, year2017

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Innovative Methodology for Sulfur Release from Copper

Innovative Methodology for Sulfur Release from Copper

To effectively prevent the accumulation of copper tailings from producing acid mine drainage AMD and maximize the comprehensive utilization of copper tailings, the process of oxidation roasting was adopted to release sulfur in the form of SO 2 to achieve the purpose of sulfur recovery later. Based on the AMD risk assessment, thermogravimetric TG analysis, and differential scanning ...

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Static Liquefaction and Strength Loss in Tailings Dams

Static Liquefaction and Strength Loss in Tailings Dams

Apr 11, 2018018332Static liquefaction and strength loss of tailings dams due to undrained failure has become a topic of interest in tailings management following the Fund227o and Mount Polley tailings dam failures. Static liquefaction is the sudden loss of strength when loose soil, typically granular material such as sand or silty sand, is loaded and cannot drain.

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DEASHING AND DESULPHURIZATION OF FINE OXIDIZED …

DEASHING AND DESULPHURIZATION OF FINE OXIDIZED …

separation efficiency of flotation. Clean coals and tailings were obtained after each experiment. Enhanced gravity separation tests Falcon centrifugal concentrator, model SB40, was used to clean oxidized coal. The slurry was fed through the center feed pipe to the revolving impeller. Rapid deposits

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Technical Memorandum 3

Technical Memorandum 3

tailings cover is predicted to be 15 to 20 meters. Flotation pilot test results indicate that there is difficulty achieving the target limit less than 0.3 percent sulfides, if only flotation is used in depyritization. The problem is associated with the concurrent presence of both magnetite and

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Paper  Thickened tailings disposal at Musselwhite Mine

Paper Thickened tailings disposal at Musselwhite Mine

Abstract Musselwhite Mine in Northwestern Ontario, Canada began thickened tailings disposal in May 2010. Surface disposal of thickened tailings for the 4,000 tpd gold mine was chosen following a series of studies beginning in 2002 to investigate options to expand the capacity of the tailings management area.

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Analysis of Alumina Red Mud Wet Flue Gas Desulfurization

Analysis of Alumina Red Mud Wet Flue Gas Desulfurization

Alumina red mud from aluminum industry has not been utilized effectively due to its strong alkaline, and SO2 is an industrial pollutant which mainly produced by thermal power plants. For the comprehensive utilization of waste, the mineral component, chemical composition, grain size and microstructure of alumina red mud from Henan Branch of China Aluminum Co. were determined in this research.

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Tailings storage facilities in Western Australia   code of

Tailings storage facilities in Western Australia code of

Tailings storage facilities in Western Australia C F ACTC. 2. 2 Classification. 2.1 Introduction. The primary function of a TSF is the safe and economical storage of tailings in an erosionresistant, nonpolluting structure that minimises environmental impacts. …

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Factbox  Miners get new safety standards to avert tailings

Factbox Miners get new safety standards to avert tailings

Aug 05, 2020018332An industry, investor and U.N. panel launched the global tailings management standard on Wednesday, a yearlong effort spurred by the 2019 collapse of Vale SAs Brumadinho upstream tailings …

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Power   Salter Cyclones   Salter Cyclones Ltd

Power Salter Cyclones Salter Cyclones Ltd

In coal fired power stations, typical applications include the removal of gypsum solids in the flue gas desulphurisation FGD process and the treatment of waste water. ... In addition, ultrafine coal can be recovered and upgraded from both the washery effluent and tailings lagoons. MultiGravity technology is particularly effective in removing ...

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Minerals   Free Full Text   Algal Lipids as Biocollector

Minerals Free Full Text Algal Lipids as Biocollector

A twostage desulphurisation flotation process has been developed to valorise ultrafine coal wastes 8,10.The first stage of the flotation process, the focus of this paper, recovers clean coal from the waste while the second stage recovers pyrite into the small volume concentrate fraction, which results in a high volume, lowsulphur tailings that has reduced or no risk of acid generation ...

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