Results 11 to 20 of about 6,655 (164)
Hydrodynamic Study Of Column Bioleaching Processes
Nova Biotechnologica et Chimica, 2015 The modelling of flow leaching solution through the porous media has been considered. The heap bioleaching process can be tested using the column experimental equipment.
Sadowski Zygmunt, Baranska Joanna A.
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Nutrient optimization in bioleaching: are we overdosing? [PDF]
Frontiers in MicrobiologyThe general trend in biomining (i.e., bioleaching and biooxidation) is the use of media with high concentrations of the nutrients (nitrogen as ammonium, phosphorous as phosphate, and K), which are considered to be essential for microbial growth.
Carmen Falagán +6 more
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Bioleaching of chalcopyrite [PDF]
, 2003 This research is concerned with the bioleaching of chalcopyrite (CuFeS\(_2\)) by Thiobacillus ferrooxidans (ATCC 19859), which has been carried out in shake flasks (250 ml) and a 4-litre stirred tank bioreactor.
Jonglertjunya, Woranart
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Heliyon, 2018 The purpose of this work was to study the sulfur concentration on bioleaching of heavy metals from pig manure employing indigenous sulfur-oxidizing bacteria.
Xiaocheng Wei +5 more
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Effects of Fe3+ and Ag+ on Column Bioleaching of a Low-grade Sulfide Copper Ore
International Journal of Electrochemical Science, 2019 Due to the consumption of high-grade ores and the increasing demand for copper, the utilization of low- grade copper-bearing ores has become a prominent area of research. In this study, column bioleaching was adopted to separate low-grade copper ore. The
Liangyou Jiang +4 more
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BIOLOGICAL LEACHING OF NON-FERROUS METALS FROM COPPER SLAG USING A STRAIN OF SILICATE-SOLUBILISING BACTERIA [PDF]
Sustainable Extraction and Processing of Raw Materials Journal. This study aims at the recovery of non-ferrous metals from pyrometallurgy copper slag enriched in diopside, fayalite, and protomangano-ferro-anthophyllite and containing 0.36 % copper, 1.93 % zinc, and 0.09 % cobalt by bioleaching with silicate ...
Plamen Georgiev +2 more
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Biotechnology Reports, 2014 This study examines the bioleaching of municipal solid waste incineration fly ash by Aspergillus niger, and its effect on the fungal morphology, the fate of the ash particles, and the precipitation of metallic salt crystals during bioleaching. The fungal
Tong-Jiang Xu +2 more
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Effects of intermittent irrigation on the extraction of copper from heap bioleaching systems. [PDF]
, 2013 Includes bibliographical references.The use of microorganisms for the regeneration of leach agents in the heap leaching of mineral sulfide ores is finding increasing application as a hydrometallurgical unit operation applicable to the treatment of the ...
Vries, Eustice
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Factors affecting the attachment of Metallosphaera hakonensis during the colonisation of low grade mineral sulphide heaps [PDF]
, 2011 This thesis pertains to the extraction of copper via heap bioleaching, focussing specifically on the bioleaching of the mineral sulphide, chalcopyrite (CuFeS2).
Bromfield, Lucinda
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Green Energy & Environment, 2019 Heap bioleaching is one of the most clean and economical processes for recovery of low-grade and complex ores, because the sulfide minerals are natural habitats for acidophiles capable of iron- and sulfur-oxidation.
Yan Jia +5 more
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