Results 51 to 60 of about 45,354 (192)
Dual Role of Fe2+ in the Galena Flotation and Influence on Selective Separation
Adsorption Science & Technology, 2023 Fe ions, as one of the unavoidable metal ions, are present in flotation pulp as ferric and ferrous species, and the effect of ferric species on the flotation behavior of sulfide minerals has been widely discussed in the above literatures.
Bo Yang +3 more
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Bullion production in imperial China and its significance for sulphide ore smelting world-wide [PDF]
, 2015 Gold and silver production was of major importance for almost all ancient societies but has been rarely studied archaeologically. Here we present a reconstruction of a previously undocumented technology used to recover gold, silver and lead at the site ...
Chen, J +6 more
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Estudios Geologicos, 1984 El distrito de F-(Pb, Zn, Ba) de la Sierra de Baza (al SE de España) está constituido fundamentalmente por mineralizaciones estratiformes y estratoligadas de fluorita-(galena), enclavadas en niveles carbonatados del Ladiniense Superior-Carniense.
J. Torres-Ruiz, F. Delgado
doaj +1 more source
Revista Colombiana de Biotecnología, 2011 Adaptation of a strain Acidithiobacillus ferrooxidans compatible on concentrates of chalcopyrite (CuFeS2), sphalerite (ZnS) and galena (PbS) RESUMEN En este estudio se evaluó la adaptación de una cepa compatible con Acidithiobacillus ferrooxidans a ...
E Mejía +4 more
doaj +2 more sources
Oxygen application to chloride leaching of complex sulfide ores [PDF]
, 1987 The study investigates leaching of complex sulfide ores with simultaneous regeneration of the leaching solution and removal of dissolved iron to balance the iron concentration in the leaching process.
Chou, Kuo Tung
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Minería y Geología, 2011 There are some vein type sediment hosted sulfate-sulfide mineralizations in Garus district, NW of Iran. They occur in a (shale) host rock of Precambrian age and they show evidence of some deformation.
Bahram Vusuq +2 more
doaj
Journal of Applied Science and EngineeringRuwai galena ore contains a high amount of lead (Pb) and a higher silver (Ag) content than similar ores. It indicates that Ruwai galena ore has excellent potential to be utilized as a prospective source of Ag .
Kevin Cleary Wanta +6 more
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Boletín Geológico, 1990 La región objeto de este estudio se localiza al extremo sur central del Macizo de Santander, cordillera Oriental de Colombia. En una secuencia de sedimentitas del Cretáceo inferior y en posición concordante con la dirección de los estratos, se encuentra
Hernando Mendoza Forero
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Lichens of abandoned zinc-lead mines
Acta Mycologica, 2013 A list of lichens from areas of zinc-lead ores in Southern Poland and a review of the characteristic lichen biota of these sites is provided. In spite of the devastated and heavy metal contaminated environment, a highly diverse epigeic and epilithic ...
Urszula Bielczyk +2 more
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Comparative Microstructure Characteristics of Synthesized PbS Nanocrystals and Galena
SciLead sulfide (PbS) on the nanoscale was synthesized via a chemical route at room temperature using lead nitrate {Pb(NO3)2} and sodium sulfide (Na2S). The Na2S was prepared at ~105 °C using sodium hydroxide (NaOH) and sulfur (S) powder.
Ehab AlShamaileh +6 more
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