About: Relation Between the Zn (II) Chemical Speciation and its Acid Leaching from Fine Grained Metallurgical Wastes

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About: Relation Between the Zn (II) Chemical Speciation and its Acid Leaching from Fine Grained Metallurgical Wastes Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The forms of zinc in the blast furnace and steelmaking sludge were determined applying the sequential extraction method of chemical speciation. In the blast furnace sludge zinc is largely present in the ion-exchange and superficially occluded form and that is why its sepatation by acid leaching may be successful. These assumptions were proved when studying the heterogeneous acid-base equilibrium in discontinual static leaching under mild acidic conditions - c(HCl) max. 0.1 mol.dm-3, when 77% of zinc were extracted and iron practically did not pass into solution. As for the steelmaking sludge, an unambiguous correlation between the chemical speciation and acid leaching has not been found. Buffering equilibrium is establised at pH 5,5 and that is connected with the presence of iron in the lower oxidation states, especially in the fe(II) form. The forms of zinc in the blast furnace and steelmaking sludge were determined applying the sequential extraction method of chemical speciation. In the blast furnace sludge zinc is largely present in the ion-exchange and superficially occluded form and that is why its sepatation by acid leaching may be successful. These assumptions were proved when studying the heterogeneous acid-base equilibrium in discontinual static leaching under mild acidic conditions - c(HCl) max. 0.1 mol.dm-3, when 77% of zinc were extracted and iron practically did not pass into solution. As for the steelmaking sludge, an unambiguous correlation between the chemical speciation and acid leaching has not been found. Buffering equilibrium is establised at pH 5,5 and that is connected with the presence of iron in the lower oxidation states, especially in the fe(II) form. (en)
Title	Relation Between the Zn (II) Chemical Speciation and its Acid Leaching from Fine Grained Metallurgical Wastes Relation Between the Zn (II) Chemical Speciation and its Acid Leaching from Fine Grained Metallurgical Wastes (en)
skos:prefLabel	Relation Between the Zn (II) Chemical Speciation and its Acid Leaching from Fine Grained Metallurgical Wastes Relation Between the Zn (II) Chemical Speciation and its Acid Leaching from Fine Grained Metallurgical Wastes (en)
skos:notation	RIV/61989100:27640/00:00001305!RIV/2002/MSM/276402/N
http://linked.open.../vavai/riv/strany	310-317
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 279000017)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Seidlerová, Jana Kulveitová, Hana Leško, Juraj
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 / Centrum nanotechnologií
http://linked.open...dnocenehoVysledku	725030
http://linked.open...ai/riv/idVysledku	RIV/61989100:27640/00:00001305
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Metallurgical Waste, Chemical Speciation of zink (en)
http://linked.open.../riv/klicoveSlovo	Chemical Speciation of zink Metallurgical Waste
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[08CAC470E02D]
http://linked.open...i/riv/nazevZdroje	Acta Metallurgica Slovaca
http://linked.open...in/vavai/riv/obor	DM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2000
http://linked.open...v/svazekPeriodika	6
http://linked.open...iv/tvurceVysledku	Kulveitová, Hana Seidlerová, Jana Leško, Juraj
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20279000017
issn	1335-1532
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	27640

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