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Critical Minerals from Post-Processing Tailing. A Case Study from

A proven way of increasing the supply of critical raw materials is the processing of tailings generated during mining of cassiterite-bearing sands on the Indonesian Islands of …

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(PDF) The deep sea tailings placement (DSTP) as alternative for …

The article aims to clarify how the deep sea tailings depositions have been used worldwide as alternative mining practice. The paper is a checking of case studies where this technology is used.

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Geochemistry of a copper mine tailings deposit in Repparfjorden

The deposited tailings are clearly enriched on the elements Ba, Bi, Cu, Hf and Zr and depleted of Ca, Li, Nb, Pb, Sc, V and Y. A hard pan horizon occurs at 20 cm sediment depth in large parts of the inner inlet, which seems to have precipitated during the deposition of tailings. ... Papua New Guinea has three active deposits, while Indonesia ...

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Tailings

Tailings are the finely ground natural rock particles that remain after economically valuable minerals have been processed or extracted from the mined ore. PT-FI's tailings are specifically managed to be geochemically benign, helping to …

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Growth Response, Gas Exchange, and Leaf Anatomy of

Request PDF | Growth Response, Gas Exchange, and Leaf Anatomy of Handroanthus spp. Seedlings in Mine Tailings Enriched with Nutrient Solution | This work aimed to evaluate the effects of nutrient ...

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First insight into the natural biodegradation of cyanide in a gold

The disposal of mining wastes that contain cyanide are dumped in tailings from gold extraction is a public concern in mining countries such as South Africa. Many studies have shown the potential of microorganisms to degrade cyanide. ... First insight into the natural biodegradation of cyanide in a gold tailings environment enriched in cyanide ...

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Indonesian miners eyeing EV nickel boom seek to dump waste …

Nickel-mining companies in Indonesia have pitched the government to allow them to dump their waste, or tailings, into the sea. The country is the world's biggest producer of …

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Mine Tailing

Additionally, riverine disposal of tailings, which currently takes place in Indonesia and Papua New Guinea (Shimmield et al., 2010; Vogt, 2013), have also direct impacts on shorelines and …

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Why a Big Mining Project Could Wipe Out Rural Villages in Indonesia

A mine tailings dam planned for a seismically unstable area of Sumatra's rainforest would be at high risk of failure, experts warn. The dam's collapse would be a disaster, they say, releasing a wall of slurry that would engulf and bury Indigenous villages and their inhabitants.

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Tailings Management- Indonesia

Tailings Management; Non-Mineral Waste Management; Mine Closure & Reclamation; TAILINGS MANAGEMENT PROGRAM. Tailings – Americas; Tailings – Indonesia; REPORTS AND DOCUMENTS. Audits, Assessments & Assurance. PT-FI External Audits ; TSF Disclosures and Independent Verification; THE COPPER MARK; ESG PRESENTATION; CAREERS; FEATURES

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Status of macro and micro nutrients from deposited tailings in

The reclamation program of deposited tailings (SIRSAT) is the obligation of the mining concession holder PT Freeport Indonesia (PTFI). The monitoring of soil and plant qualities regularly is part of the study of the success or performance of mining reclamation.

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Stabilization and solidification of tailings from a traditional gold

The majority of the mercury contamination in Indonesia's soil derives from the country's widespread practice of mercury amalgamation gold refinement and indiscriminate dumping of tailing waste [33].

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Rare-Earth Minerals in Kaolin Ore, Mine Tailings, and Sands

The total concentrations of rare-earth elements (REE) in the mined kaolin (0.02–0.06 wt.%), kaolin mine tailings (0.03–1.9 wt.%), and the kaolin-associated Marion Member sand lithology (0.03–4.6 wt.%) opened questions regarding the modes of occurrence of the REE and the role(s) of chemical weathering and secondary processes to explain the presence of …

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

Historically, safe containment has been the main goal of tailings management. Disposal has taken place in sizable surface impoundments that are enclosed by dams or embankments, as well as in subterranean workings and unnatural depressions [10], [11].However, the environment and communities are seriously endangered by the inappropriate management …

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Reutilization of Fe-containing tailings ore enriched by iron

Abstract. In this study, the Fe-containing tailings (Fe-TO) ore was reutilized and enriched with FeCl 3 as a heterogeneous catalyst for the Fenton process to degrade the organic dyes from aqueous solution. The determinants of the heterogeneous catalytic Fenton system which included iron modification ratio, solution pH, catalyst dosage, H 2 O 2 dosage and initial concentration …

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Metal concentrations in soil from different tailing dams (TD) …

TD26, the most metal enriched tailings dam across investigated sites (Fig. 2), presented the lowest values of tree species richness and abundance among studied tailings dams (Table 1).

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Bioaccumulation of Mercury by Bacteria Isolated from Small …

The activity of small scale gold mining (ASGM) in Indonesia has expanded to Lombok Island, West Nusa Teng-gara. The use of mercury (Hg) and the traditional mining process cause that …

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RI UFLA: Growth response, gas exchange, and leaf anatomy of

Growth response, gas exchange, and leaf anatomy of Handroanthus spp. seedlings in mine tailings enriched with nutrient solution: Palavras-chave: Yellow ipe Purple ipe Reforestation Fertilization Iron mining sediments Potentially toxic elements: Data do documento: 14-Jul-2022: Editor: Springer: Citação:

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Enrichment of valuable metals from silver tailings using the alkali

The copper and cobalt were significantly enriched in the polymetallic enriched ore powder at 10.76 and 7.12 times the content in the tailings, respectively, reaching industrial grade that could be used as a new type of ore raw material for the extraction of copper and cobalt.

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(PDF) REEs Evaluation in Abandoned Mine Tailings

Secondary resources at abandoned mine tailings, Giyani Greenstone Belt, Limpopo Province of South Africa ... I thank you for your help in answering my questions related to fieldwork regulation in Indonesia. ... In general, HREEs are more likely to have more mobility than LREEs and thus, LREEs are enriched and HREEs are depleted gradually during ...

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Why a Big Mining Project Could Wipe Out Rural …

A mine tailings dam planned for a seismically unstable area of Sumatra's rainforest would be at high risk of failure, experts warn. The dam's collapse would be a disaster, they say, releasing a wall of slurry that would …

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Crinum bulbispermum, a Medicinal Geophyte with

Crinum bulbispermum, a Medicinal Geophyte with Phytostabilization Properties in Metal-Enriched Mine Tailings Plants (Basel). 2023 Dec 26;13(1) :79. doi: 10 ... The results indicated that mine tailings negatively affected the growth and development of C. bulbispermum. Although the survival rates indicated that it could survive on tailings, its ...

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Jobs/In Tailings Engineer Jobs in Indonesia

Find your ideal job at Jobstreet with 323 Jobs/In Tailings Engineer jobs found in Indonesia. View all our Jobs/In Tailings Engineer vacancies now with new jobs added daily!

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Bioaccumulation of Mercury by Bacteria Isolated from Small …

The activity of small scale gold mining (ASGM) in Indonesia has expanded to Lombok Island, West Nusa Teng-gara. The use of mercury (Hg) and the traditional mining process cause that the ASGM tailings waste still contains Hg. The tailings waste is piled up near paddy fields and residential areas so that it has the potential to pollute the en-

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Organic fertilizer applications improve the growth of vegetable …

Organic fertilizer applications improve the growth of vegetable crops and chemical properties in the tailings deposition area at Timika, Papua, Indonesia. Nusantara Bioscience 12: 134-142.

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Mine Tailing

In addition, they have low organic matter content, high rock fragments, low permeability, and water retention. When the tailings contain minerals enriched in sulphides, it triggers the formation of acid mine drainage with the subsequent acidification of the nearby soils. ... one mine in Indonesia and 3 mines in Papua New Guinea still conduct ...

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Reflectance spectroscopy and geochemical analysis of

In Europe, tailings have been identified as an REE resource which can be exploited without opening a new mine (Peelman et al., 2016). In Bangka Island, Indonesia, a study conducted by Szamałek et al. (2013) discovered that tailings contain 99% of quartz and 1% of other minerals, including monazite and xenotime.

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Crinum bulbispermum, a Medicinal Geophyte with …

2. Results. The tailings were nutrient-poor compared to the soil from the control treatment (Table 1).There was a clear difference between the three soil treatments, with the control soil having the lowest pH and the tailings having the expected higher levels of PTMs (Table 1).This confirmed a PTM enrichment gradient from the control, which was the least …

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Bioaccumulation of Mercury by Bacteria Isolated from Small …

The activity of small scale gold mining (ASGM) in Indonesia has expanded to Lombok Island, West Nusa Tenggara. The use of mercury (Hg) and the traditional mining process cause ASGM tailings waste still contains Hg. Tailings waste is piled up near paddy fields and residential areas so that it has the potential to pollute the environment.

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Biogeochemical dynamics of nutrients and rare earth elements …

The microorganisms such as cyanobacteria, algae, lichens, mosses, fungi and bryophytes are commonly the first colonizers of soil surface and can form a complex living skin with soil particles, so called biological soil crusts (biocrusts) (Belnap et al., 2016).The biocrusts have been observed at the earliest succession stage in kinds of metallic tailings (Sun et al., …

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