Paper Title
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Authors: Jan A. van Niekerk
Abstract:The past number of years has seen a sharp rise in the gold price. This has led to renewed activity in the gold sector and especially in...
465
Authors: Xue Hui Xie, Sheng Mu Xiao, Hua Tai Wang, Jian She Liu
Abstract:Bacterial preoxidation of refractory gold ore has showed many advantages, such as lower operation cost and environmental friendly. In this...
469
Authors: Alejandra Giaveno, P. Chiacchiarini, Cintia Cordero, L. Lavalle, J. Huergo, Edgardo R. Donati
Abstract:In this report we evaluate the oxidative capacity of native microorganisms from Copahue geothermal system applied to a gold concentrate (71.1...
473
Authors: V.K. Sovmen, Alexander V. Belyi, M.Yu. Danneker, A.A. Gish, A.N. Teleutov
Abstract:Results of research on technological processes for treatment of refractory gold-arsenic ores using bioleaching of concentrates are presented....
477
Authors: F. Gordillo, J.P. Suarez, Vasan Sanmartín, P. Aguirre, J.C. Gentina, Edgardo R. Donati
Abstract:The mining district of Zaruma-Portovelo of southern Ecuador is a deposit of polymetallic sulfides worked since 1908. Currently the small...
481
Authors: Keiko Sasaki, Koichiro Takatsugi, Tsuyoshi Hirajima, Naofumi Kozai, Toshihiko Ohnuki, Olli H. Tuovinen
Abstract:Acidithiobacillus ferrooxidans was acclimatized to 1000 mg/L arsenic(V) and then used for the bioleaching of enargite (Cu3AsS4) at pH 2....
485
Authors: Ianeya Hernández Díaz, Federico Galizia, Orquidea Coto, Edgardo R. Donati
Abstract:In previous studies it has been showed that sulphuric bio-acid is a good leaching agent for laterite tailings. In this work we evaluated...
489
Authors: Sehliselo Ndlovu, Geoffrey S. Simate, Mariekie Gericke
Abstract:Nickel laterite contains metal values but is not capable of participating in the primary chemolithotrophic bacterial oxidation because it...
493
Authors: Iveta Štyriaková, Katarína Jablonovská, A. Mockovčiaková
Abstract:Quartz sands contain various iron and clay minerals which coat silicate grains or are impregnated in silicate matrix. Treatment by basin...
497
Authors: C. García-Balboa, Dina Cautivo, M.L. Blázquez, F. González, J.A. Muñoz, Antonio Ballester
Abstract:The biological reduction rate of Fe(III) was studied using dissimilatory ferric reducing bacterial cultures (FeRB) in an attempt to establish...
501
Showing 111 to 120 of 177 Paper Titles