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Fungal leaching of nickeliferous laterites

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dc.contributor.author Tzeferis, PG en
dc.date.accessioned 2014-03-01T01:09:53Z
dc.date.available 2014-03-01T01:09:53Z
dc.date.issued 1994 en
dc.identifier.issn 0015-5632 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/11237
dc.subject.classification Biotechnology & Applied Microbiology en
dc.subject.classification Microbiology en
dc.title Fungal leaching of nickeliferous laterites en
heal.type journalArticle en
heal.identifier.primary 10.1007/BF02906809 en
heal.identifier.secondary http://dx.doi.org/10.1007/BF02906809 en
heal.language English en
heal.publicationDate 1994 en
heal.abstract Extraction of nickel by microbial leaching of Greek laterites is feasible by using of Aspergillus and Penicillium. The effectiveness was found to depend on the ability of the microorganism to produce hydroxycarboxylic acids, especially citric acid, as well as other metabolites. The nickel recoveries achieved were as high as 60%, in 48 d, when the ore was leached in the presence of the living fungi, in a sucrose medium, and as high as 70%, in a much shorter time, when the ore was leached by their metabolic products after pH adjustment by means of sulfuric acid. The use of much cheaper, factory grade, Greek beet molasses as a growth medium proved promising, giving the possibility of making the process more attractive in economic terms. © 1994 Folia Microbiologica. en
heal.publisher Springer Netherlands en
heal.journalName Folia Microbiologica en
dc.identifier.doi 10.1007/BF02906809 en
dc.identifier.isi ISI:A1994NV49900009 en
dc.identifier.volume 39 en
dc.identifier.issue 2 en
dc.identifier.spage 137 en
dc.identifier.epage 140 en


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