Results 91 to 100 of about 2,449 (244)

Flotation of smithsonite: A review

open access: yesPhysicochemical Problems of Mineral Processing
Zinc, a high-performance metallic element, is widely used in industries such as transportation, construction, light industry, machinery, and batteries. In recent years, with the continuous development of the world economy and the continuous expansion of zinc application fields, high-grade and easily selected zinc sulfide mineral resouąrces have ...
Ruofan Sun, Jiushuai Deng
openaire   +1 more source

Formation of secondary hematite and its role in attenuation of contaminants at mine tailings: review and comparison of sites in Zambia and Namibia

open access: yesFrontiers in Environmental Science, 2015
Mine tailings in African countries Zambia and Namibia have been investigated with an objective to determine the role of secondary hematite in immobilization of contaminants.
Sracek eOndra
doaj   +1 more source

Cationic flotation of smithsonite and dolomite from Brazilian Ambrósia Norte Deposit

open access: yesREM: International Engineering Journal
The flotation of low-grade oxidized zinc ores has been commonly used to produce marketable concentrates for many years. Several flotation routes are being successfully used: cationic, anionic and a mixture of anionic and cationic. The choice of the route
Tamíris Fonseca Souza   +1 more
doaj   +1 more source

Evaluation du comportement à long terme des déchets miniers par un essai de lessivage dynamique : application à différentes conditions physico-chimiques [PDF]

open access: yes, 2009
National audienceLes différents processus de l'industrie minière tels que la prospection, l'extraction et le traitement génèrent d'importantes quantités de déchets miniers enrichis en métaux toxiques tels que Hg, As, Pb, Cd.
Badreddine, Rabia   +3 more
core   +1 more source

Ore geology of the copper sulfide mineralization in the Rudabánya ore-bearing complex [PDF]

open access: yes, 2016
The mineralized complex of Rudabánya hosts deposits of several mineral resources including base metal ores. Recent exploration provided new information on the enrichment of copper within this complex.
Földessy, János   +2 more
core   +1 more source

Assessment of long term mining waste behavior by a dynamic leaching test : application to contrasted physico-chemical conditions [PDF]

open access: yes, 2008
International audienceMining activity has generated large amounts of mining wastes abandoned on the site after extraction, concentration or metallurgic processes.
Badreddine, Rabia   +3 more
core   +1 more source

Transformation of zinc-concentrate in surface and subsurface environments: Implications for assessing zinc mobility/toxicity and choosing an optimal remediation strategy [PDF]

open access: yes, 2017
Zinc contamination in near- and sub-surface environments is a serious threat to many ecosystems and to public health. Sufficient understanding of Zn speciation and transport mechanisms is therefore critical to evaluating its risk to the environment and ...
Boyanov, MI   +7 more
core   +1 more source

Mineralogy and geochemistry of sulfide-bearing tailings from silver mines in the Taxco, Mexico area to evaluate their potential environmental impact [PDF]

open access: yesGeofísica Internacional, 2005
Six sulfide-bearing, flotation tailings dams and one waste-rock dump from epithermal Pb-Zn-Ag-Cu deposits in Taxco, Guerrero have been mineralogically and geochemically characterized to evaluate their potential environmental impact.
Néstor Flores Mundo   +5 more
doaj  

CONCENTRATING THE Zn-Pb SAMPLE FROM NIGNAN ORE DEPOSIT

open access: yesRudarsko-geološko-naftni Zbornik
The aim of the present study is to increase the grade of zinc from lead and zinc ore from the Noahang (Chah-Ahan) area of the Nignan deposit to more than 40% Zn, using the flotation method.
Maryam Abedi Moghadam   +2 more
doaj   +1 more source

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