Results 21 to 30 of about 1,140 (260)

Asbestos Waste Treatment—An Effective Process to Selectively Recover Gold and Other Nonferrous Metals

open access: yesRecycling, 2022
We investigated the potential of tailings generated from chrysotile asbestos fiber production as a source of iron, nonferrous metals, and gold. We proposed the use of granulometric separation and systematically examined different enrichment processes ...
Omirserik Baigenzhenov   +7 more
doaj   +1 more source

Study of Cu Recovery Comparison of Fresh, Stockpiled, and Mixed Ores Processing in Batu Hijau Mine – Sumbawa Island, Indonesia [PDF]

open access: yesJournal of Pure and Applied Chemistry Research, 2022
Batu Hijau mine is one of the mining areas in Indonesia that have been operated for 20 years. The main concentrate product in Batu Hijau contains the primary minerals copper (Cu) and gold (Au). However, the mine is not only processing the fresh mined ore
Surya Hadi   +6 more
doaj  

A Tailing Dump as Industrial Deposit; Study of the Mineralogical Composition of Tailing Dump of the Southern Urals and the Possibility of Tailings Re-Development

open access: yesResources, 2023
It is found that regions with depleted, or on the verge of depletion, of mineral resources are subject to additional pressures due to intensifying social and environmental problems. This paper proposes the development of the mining industry, reducing the
Elena N. Shaforostova   +6 more
doaj   +1 more source

Study on strength characteristics and thickening characteristics of classified-fine cemented backfill in gold mine

open access: yesScientific Reports, 2023
For some new mines, the utilization rate of tailings is not satisfactory when using unclassified tailings as backfill aggregate for cemented backfill. At the same time, with the progress of mineral processing technology, the tailings discharged by the ...
Xian-qing Wang   +6 more
doaj   +1 more source

PENGARUH PENAMBAHAN TOP SOIL INCEPTISOL DAN KOMPOS PADA TAILING AMALGAMASI TERHADAP PANJANG SULUR, DIAMETER SULUR DAN JUMLAH CABANG TANAMAN UBI JALAR (Ipomoea batatas L.)

open access: yesJTSL (Jurnal Tanah dan Sumberdaya Lahan), 2020
Tailings are waste generated from the processing of gold ore. The tailings in Kertajaya Village, Sukabumi are generally dumped into a pond or garden which is then used by the community to grow crops.
Indra Herliana   +3 more
doaj   +1 more source

Recycling technology for gold-containing tailings with the use of a composite reagent microemulsion

open access: yesMetalurgija, 2022
The paper contains the laboratory study results for the flotation processing of gold-containing tailings with the use of the composite reagent (CF). The CF flotation reagent is a microemulsion from a composition of sodium butyl xanthate and reaflot.
L. V. Semushkina   +4 more
doaj  

The effect of cow manure amendment and the ratio of gold mine tailings on sweet potato gold phytomining

open access: yesJournal of Degraded and Mining Lands Management
Artisanal and small-scale gold mining has commonly used the mercury amalgamation method for gold ore extraction. The processing waste or tailings often contain gold and other metals.
Rhazista Noviardi   +7 more
doaj   +1 more source

Evolution of the Koma Bangou Gold Panning Site (Niger) From 1984 to 2020 Using Landsat Imagery

open access: yesEarth and Space Science, 2021
The severe drought of 1983–1984 in the Sahel region, and its socio‐economic impacts for people relying on farming had for consequence the first major gold rush at Koma Bangou in the southwestern part of Niger.
A. Abass Saley   +5 more
doaj   +1 more source

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

open access: yesFEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil   +4 more
wiley   +1 more source

Technological innovation in Córrego do Sítio Mineração - A study of technical and economic aspects by using sensor-based sorting for refractory gold ore

open access: yesREM: International Engineering Journal, 2021
The mining sector has a fundamental financial and economical role in the country where it practices these activities. In addition to employment creation and social-cultural development, the mining sector brings economic growth to the country.
Vinicius Moreira Assis   +3 more
doaj   +1 more source

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