Solubilization of toxic metal mineral by the Aspergillus niger strain and oxalic acid

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dc.contributor.author Kolenčík, Marek
dc.contributor.author Čerňanský, Slavomír
dc.contributor.author Urík, Martin
dc.contributor.author Littera, Pavol
dc.contributor.author Molnárová, Marianna
dc.contributor.author Gardošová, Katarína
dc.contributor.author Štubňa, Ján
dc.contributor.author Vojtková, Hana
dc.contributor.author Chlpík, Juraj
dc.date.accessioned 2012-11-12T09:54:18Z
dc.date.available 2012-11-12T09:54:18Z
dc.date.issued 2012
dc.identifier.citation Fresenius environmental bulletin. 2012, vol. 21, no. 8, p. 2289-2297. cs
dc.identifier.issn 1018-4619
dc.identifier.uri http://hdl.handle.net/10084/95701
dc.description.abstract The objective of this study is solubilization of lead and arsenic from toxic metal mineral lead arsenate hydroxide - hydroxymimetite with oxalic acid and distilled water. Furthermore, the Aspergillus niger (A. niger) strain was applied for solubilization of lead and arsenic from hydroxy-mimetite. Oxalic acid was confirmed as the best leaching agent and was able to mobilize 96% of As and 1.49% of Pb. Also, the oxalic acid was capable of solubilizing inorganic Pb from crystalline compound and transforming it into the different organic Pb phase, which partially precipitated as lead oxalate Pb(C2O4). Our experimental studies bring insight into the biogeochemical cycles of the studied elements and have potential application in the bio-hydro-metallurgical processes for recovery of arsenic and lead from different materials (e. g. toxic metal minerals, mining ores, contaminated soil and sediment and other environmental area). cs
dc.language.iso en cs
dc.publisher Parlar Scientific Publications cs
dc.relation.ispartofseries Fresenius environmental bulletin cs
dc.title Solubilization of toxic metal mineral by the Aspergillus niger strain and oxalic acid cs
dc.type Article cs
dc.identifier.location Není ve fondu ÚK cs
dc.type.status Peer-reviewed cs
dc.description.source Web of Science cs
dc.description.volume 21 cs
dc.description.issue 8 cs
dc.description.lastpage 2297 cs
dc.description.firstpage 2289 cs
dc.identifier.wos 000309326100019

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