Feasibility of tailings retreatment to unlock value and create

content (Alpers et al., 1994). The economic potential is strongly dependent on the Au content. ... problem with tailings from the Witwatersrand gold mines. If inhaled, U causes damage to …

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Utilizing gold mine tailings to produce sintered bricks

This study investigated the possibility of utilizing gold mine tailings to produce sintered bricks. In the preparation process, clay was introduced as an additive. The effects of …

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(PDF) Assessment of Gold Mine Tailings as Based

The gold mine tailings-based geopolymer binder (MTGB) was produced using a combination of water glass solution (WGS) to 10 molar of sodium hydroxide (NaOH) solution …

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Mine tailings dams: Characteristics, failure, environmental impacts

The mining industry does, however, produce enormous volumes of waste. The amount of mine waste produced is of the same order of magnitude as that of fundamental …

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Geotechnical Properties of Mine Tailings | Journal of Materials in

For instance, the results from laterite tailings indicated that the cyclic resistance ratio (CRR) increased with an increase in the initial effective consolidation stress, whereas the CRR of …

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A study on the mechanical behaviour of three different fine …

Tailings are the waste by-product of mining operations that are most commonly disposed of in the tailings storage facility (TSF) after the extraction of valuable materials …

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A review on complex utilization of mine tailings: Recovery of rare

Mine tailings (MTs) ... The specific REE content found in tailings depends on the composition of the original ore body and its associated gangue minerals. Across different …

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The composition and state of gold tailings

The research suggests that under similar sub-aqueous sedimentation-consolidation conditions, gold tailings of different compositions will be deposited in varying density states, but with the...

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GUDWHGOLPHRQWKHXQFRQILQHGFRPSUHVVLYH …

The gold mine tailings were collected from Pan African Resources Gold Mine situated in Mpumalanga. The material was dried and then the initial work was conducted to characterize …

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Current situation and prospects for the clean utilization of gold …

This paper describes the mineralogical properties of gold tailings, including chemical composition, phase composition, particle size distribution, and microstructure; …

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(PDF) Reprocessing of Gango Gold Mine Tailings via

The sulfur content of the tailings is at the average of 2.03%. The presence of sulfur may trigger a harmful environmental condition called acid mine drainage. ... Reprocessing of …

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THE COMPOSITION AND STATE OF GOLD TAILINGS

Major types of gold occurrences in the Witwatersrand reefs. 2-5 Ratings of crushing plant used commonly in the gold industry. 2-9 Summary of some significant tailings dam incidents since …

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Characterization and treatment of artisanal gold mine tailings

The tailings gold content is about 1.8 mg/kg and the mercury content is about 10 mg/kg, which are in agreement with the results of metal content in each size fraction, shown in …

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Historic Gold Mine Tailings

Gold mine tailings are the by-product of a mining process used in the 1800s and early 1900s in Nova Scotia and many other areas. The tailings contain arsenic and mercury. They are …

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Socio-Environmental Risks Linked with Mine Tailings Chemical

The main metallic chemical elements present in gold mine tailings are presented below in Table 5, including their chemical symbology is presented. Depending on the mineralogy of the mining …

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From Tailings to Treasure? A New Mother Lode

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 US$40 million, in the last …

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Gold Tailings Impacts and How to Recycle Them

Treating and utilizing gold mine tailings effectively involves several strategies to mitigate environmental impacts and recover valuable materials. Here are some methods. 1. Gold tailings reseparation. The gold content in gold …

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Take two: why mine tailings are worth another look

The Global Tailings Portal – a free, searchable database with detailed information on more than 1,800 mine tailings storage facilities (TSFs) ... Elikhulu exploits the 200 Mt of …

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CHAPTER II MINE TAILINGS 4 FACILITIES: OVERVIEW 3 …

MINE TAILINGS FACILITIES: OVERVIEW AND INDUSTRY TRENDS Elaine Baker*, Professor, The University of Sydney, Australia and GRID Arendal, Arendal, Norway ... Gold 21% Iron 9% …

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The environmental impact of gold mine tailings footprints in the

Gold mining in South Africa resulted in vast volumes of tailings, which have been deposited in impoundments. Poor management of most of the tailings dams resulted in the escape of …

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Chemical analysis of low grade gold from mine tailings after size

The growing interest in reprocessing mine tailings for gold recovery requires a suitable quantification method that is accurate, rapid, and not harsh to the environment. ... The …

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Abandoned gold mine tailings : mineralogy, environmental …

Pollution load index, which is a useful tool in toxic metal pollution evaluation, refers to the number Table 3. 6 Sieve analysis of the gold mine tailings sediment samples. Table 3. 7 Geochemical …

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Equinox Gold Tailings Management Overview

Equinox Gold Corp. | Tailings Management Overview | 2 Tailings Management Overview Equinox Gold: A Multi-asset Gold Producer Equinox Gold was formed at the end of …

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Research Progress on Comprehensive Recovery and Utilization of Gold

The contradiction between supply and demand of gold resources in China has always existed, and the proportion of recovery gold in the gold total supply is increasing yearly. …

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Gold Tailings Recovery Service — Canadian Critical Minerals …

Effectively and economically managing tailings is crucial in mining operations, especially when focusing on gold tailings recovery and other critical minerals. Tailings …

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Gold tailings reclamation in South Africa

GOLD TAILINGS RECLAMATION IN SOUTH AFRICA l by JJP van Wyk2 Abstract. This paper deals with the history of rehabilitation (reclamation) on gold mine wastes since the beginning …

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The Reuse of Gold Tailings as Fill Material for Depleted Mines

Gold mine tailings are an industrial waste left after the beneficiation or recovery of valuable elements from gold ore. Approximately 38.3 tons of tailings are generated for every …

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Characterization and treatment of artisanal gold mine tailings

The tailings gold content is of about 1.8 ... Sampling campaigns were performed at the gold mine tailings of the Serra da Santa Cruz to provide information about the site, the …

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Research on Beneficiation and Reprocessing of Gold Tailings

After the shaking table and other processes, the gold content of the gold grade can reach per ton of gold ore, and the survival rate in the spiral chute will be between 0.09%, …

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Assessment of Gold Mine Tailings as Based Geopolymer …

showed that gold mine tailings have a high silica content, which makes it eligible for geopolymerization. Thus, this study is aimed to investigate the viability of gold mine tailings as …

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Heavy Metal Pollution from Gold Mines: Environmental Effects …

In ores of higher gold content, the vat/tank leaching is employed, which involves leaching of the crushed and ground ore in large enclosed tanks equipped with agitators to dissolve the gold …

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Geotechnical Properties of Mine Tailings

Geotechnical Properties of Mine Tailings Hu, Ph.D., A.M.ASCE1; ... water content and compressibility. Over the last few decades, the ... the CRR of copper-gold-zinc tailings and …

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Gold In Tailing Piles

Many old-timers and even more modern miners lost a remarkable amount of gold in their mining operations. Some tailing piles contain fortunes in lost gold values if identified and properly …

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About Tailings Fact Sheet

Put simply, tailings are ground up rock minus the gold. Rocks mined from underground which contain gold are called ore. Processing involves crushing the ore into sand to liberate and recover the gold. What's left over is called tailings.

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