Results 21 to 30 of about 45,354 (192)

Trace elements geochemistry of galena in fluorite deposits from central Alborz, Mazandaran Province

Journal of Economic Geology, 2020
Introduction Trace elements including As, Sb, Bi, Ga, Ge, In, Hg, Cd, Tl, Se and REEs have special applications in various industries due to their physical and chemical properties.
Mahtab Hamzeh, Behnam Shafiei Bafti, Hadi Omrani   +2 more
doaj   +1 more source

Antimony Extraction from Galena Concentrates

Materials Proceedings, 2022
The extraction of antimony and arsenic from galena concentrates by leaching with strongly alkaline sodium sulphide solution are investigated. The effects of leaching parameters including sodium sulphide and sodium hydroxide concentrations in the leaching
Rafaella Aikaterini Megaloudi, Apostolos Kourtis, Paschalis Oustadakis, Evangelos Tzamos, Dimitrios Dimitriadis, Anthimos Xenidis   +5 more
doaj   +1 more source

Jarosite versus Soluble Iron-Sulfate Formation and Their Role in Acid Mine Drainage Formation at the Pan de Azúcar Mine Tailings (Zn-Pb-Ag), NW Argentina [PDF]

, 2014
Secondary jarosite and water-soluble iron-sulfate minerals control the composition of acid mine waters formed by the oxidation of sulfide in tailings impoundments at the (Zn-Pb-Ag) Pan de Azúcar mine located in the Pozuelos Lagoon Basin (semi-arid ...
Alicia Kirschbaum, Bernhard Dold, Edi Mendes Guimaraes, Elisa Pannunzio Miner, Jesica Murray, Nw Argentina   +5 more
core   +3 more sources

Effect of hydrogen peroxide on flotation behavior and mechanism of galena with different pre-adsorbed collectors

Results in Engineering
This study investigates the oxidation rate of galena when different collectors are pre-adsorbed onto its surface under the action of hydrogen peroxide (H2O2).
Xusheng Yang, Longxia Jiang, Bo Feng, Jianying Liu   +3 more
doaj   +1 more source

The effects of NaCl addition on the particle-bubble interactions of galena in the presence of xanthate

Results in Surfaces and Interfaces
This work investigated the effects of NaCl addition on galena flotation in the presence of xanthate. The micro-flotation experiments were performed using NaCl solutions which also included xanthate, at pH 9 (±0.1).
Anna M. Nowosielska, Aleksandar N. Nikoloski, Drew F. Parsons   +2 more
doaj   +1 more source

Aspectos del yacimiento de caliza en la Hoya del cobre en el páramo de Sumapaz, al sur de Bogotá

Boletín Geológico, 1953
De acuerdo con el deseo del Gobierno Nacional de integrar la región de Sumapaz a la economía capitalina, se están tomando medidas para darla a conocer más a fondo, sobre la base de un levantamiento aerofotogramétrico que depende de la utilización de ...
Roberto Wokittet
doaj   +1 more source

MWP-fit: a program for multiple whole-profile fitting of diffraction peak profiles by ab initio theoretical functions [PDF]

, 2001
A computer program has been developed for the determination of micro-structural parameters from diffraction profiles of materials with cubic or hexagonal crystal lattices.
Gubicza, Jenő, Ribárik, Gábor, Ungár, Tamás   +2 more
core   +1 more source

Genesis of Pb-Zn-Cu-Ag Deposits within Permian Carboniferous-Carbonate Rocks in Madina Regency, North Sumatra

Indonesian Journal on Geoscience, 2015
DOI:10.17014/ijog.2.3.167-184Strong mineralized carbonate rock-bearing Pb-Zn-Cu-Ag-(Au) ores are well exposed on the Latong River area, Madina Regency, North Sumatra Province.
Bhakti Hamonangan Harahap, Hamdan Zainal Abidin, Wahyu Gunawan, Rum Yuniarni   +3 more
doaj   +1 more source

Bioleaching of pollymetallic sulphide concentrate using thermophilic bacteria [PDF]

Hemijska Industrija, 2014
An extreme thermophilic, iron-sulphur oxidising bacterial culture was isolated and adapted to tolerate high metal and solids concentrations at 70°C.
Vuković Milovan, Štrbac Nada, Sokić Miroslav, Grekulović Vesna, Cvetkovski Vladimir   +4 more
doaj   +1 more source

MINERALOGICAL AND TEXTURAL EVOLUTION OF THE ECONOMIC MANGANESE MINERALIZATION IN WESTERN RHODOPE MASSIF, N GREECE [PDF]

, 1991
The western Rhodope massif contains a significant number of 'battery grade' Mn-oxide deposits which are best developed in the area near Kato Nevrokopi, Drama district, N. Greece.
Nimfopoulos, M K, Pattrick, R A D
core   +1 more source