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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	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). 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). (en)
Title	Solubilization of toxic metal mineral by the Aspergillus niger strain and oxalic acid Solubilization of toxic metal mineral by the Aspergillus niger strain and oxalic acid (en)
skos:prefLabel	Solubilization of toxic metal mineral by the Aspergillus niger strain and oxalic acid Solubilization of toxic metal mineral by the Aspergillus niger strain and oxalic acid (en)
skos:notation	RIV/61989100:27350/12:86082400!RIV13-MSM-27350___
http://linked.open...avai/predkladatel	Hornicko-geologická fakulta
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	8a
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Vojtková, Hana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Hornicko-geologická fakulta
http://linked.open...dnocenehoVysledku	169125
http://linked.open...ai/riv/idVysledku	RIV/61989100:27350/12:86082400
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	lead oxalate; organic crystalline phase; toxic minerals; Aspergillus niger; chemical and biological leaching (en)
http://linked.open.../riv/klicoveSlovo	Aspergillus niger chemical and biological leaching lead oxalate organic crystalline phase toxic minerals
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[905E248F1E4F]
http://linked.open...i/riv/nazevZdroje	Fresenius Environmental Bulletin
http://linked.open...in/vavai/riv/obor	EE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	21
http://linked.open...iv/tvurceVysledku	Vojtková, Hana Chlpík, Juraj Gardošová, Katarína Kolenčík, Marek Littera, Pavol Molnárová, Marianna Urík, Martin Čerňanský, Slavomír Štubňa, Ján
http://linked.open...ain/vavai/riv/wos	000309326100019
issn	1018-4619
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	27350
is http://linked.open...avai/riv/vysledek of	Solubilization of toxic metal mineral by the Aspergillus niger strain and oxalic acid

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