About: Metals Recovery from Acid Mine Drainage and Possibilities for their Utilization

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Extraction of coal, gold, and polymetallic ore, as well as their modifications, has left a lot of dumps of waste material, tailings, and abandoned mines in the world. Sulphide minerals in these deposits under aerobic conditions (air and water) are liable to microbio-chemical biodegradation by litotrophic bacteria and archaea, resulting in acid mine drainage (AMD) production. Processes caused by litotrophic microorganisms, namely Acidithiobacillus sp. and Leptospirillum sp, have occurred in the soil dump of pyritized hydroquartzite in the area of Banska Stiavnica - Sobov. They bring about AMD production, with dominant components of Fe, Al, and sulphates. This article deals with active modification/treatment (gaining of Fe-sorbents, Fe-pigments) and remediation (decreasing concentration of contaminants - heavy metal, sulphate) of AMD from this area. The products of various purities, phase compositions, and properties, including surface properties, can be synthesized from AMD depending on the reaction conditions. Obtained Fe-oxyhydroxides can be transformed thermally to hematite structure (basic ferric pigment). The other method of utilizing of Fe-sludge is the creation of ferrites (general structure MFe2O4 (M - Me+2), e. g. zinc ferrite. In an application of alkaline industrial effluents, especially red mud bauxite and blast furnace slag, in batch experiment and neutralization of AMD, it has been shown that it is possible to reduce contents of Fe, Al, Cu, Zn, Mn, and sulphates with these agents. Extraction of coal, gold, and polymetallic ore, as well as their modifications, has left a lot of dumps of waste material, tailings, and abandoned mines in the world. Sulphide minerals in these deposits under aerobic conditions (air and water) are liable to microbio-chemical biodegradation by litotrophic bacteria and archaea, resulting in acid mine drainage (AMD) production. Processes caused by litotrophic microorganisms, namely Acidithiobacillus sp. and Leptospirillum sp, have occurred in the soil dump of pyritized hydroquartzite in the area of Banska Stiavnica - Sobov. They bring about AMD production, with dominant components of Fe, Al, and sulphates. This article deals with active modification/treatment (gaining of Fe-sorbents, Fe-pigments) and remediation (decreasing concentration of contaminants - heavy metal, sulphate) of AMD from this area. The products of various purities, phase compositions, and properties, including surface properties, can be synthesized from AMD depending on the reaction conditions. Obtained Fe-oxyhydroxides can be transformed thermally to hematite structure (basic ferric pigment). The other method of utilizing of Fe-sludge is the creation of ferrites (general structure MFe2O4 (M - Me+2), e. g. zinc ferrite. In an application of alkaline industrial effluents, especially red mud bauxite and blast furnace slag, in batch experiment and neutralization of AMD, it has been shown that it is possible to reduce contents of Fe, Al, Cu, Zn, Mn, and sulphates with these agents. (en)
Title	Metals Recovery from Acid Mine Drainage and Possibilities for their Utilization Metals Recovery from Acid Mine Drainage and Possibilities for their Utilization (en)
skos:prefLabel	Metals Recovery from Acid Mine Drainage and Possibilities for their Utilization Metals Recovery from Acid Mine Drainage and Possibilities for their Utilization (en)
skos:notation	RIV/61388980:_____/13:00422353!RIV14-MSM-61388980
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(7AMB12SK155)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pulišová, Petra
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	Ústav anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	87501
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/13:00422353
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	acid mine drainage; ferric pigments; adsorbent (en)
http://linked.open.../riv/klicoveSlovo	acid mine drainage ferric pigments adsorbent
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[A8F8338D7A7D]
http://linked.open...i/riv/nazevZdroje	Polish Journal of Environmental Studies
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Characterization and treatment of iron compounds from old environmental drains
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	22
http://linked.open...iv/tvurceVysledku	Pulišová, Petra Máša, B. Schwarz, M. Michalková, E. Sudovský, P.
http://linked.open...ain/vavai/riv/wos	000323402700015
issn	1230-1485
number of pages	8 (xsd:int)

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