About: Recovery of ammonium alum from waste solutions with a varying ratio of NH4 to Al in groundwater remediation after underground uranium leaching

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About: Recovery of ammonium alum from waste solutions with a varying ratio of NH4 to Al in groundwater remediation after underground uranium leaching Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Získávání kamence hlinitoamonného z odpadních roztoků s proměnným poměrem NH4 k Al při sanaci podzemních vod po těžbě uranu podzemním loužením. (cs) Experiments with cooling crystallization of ammonium alum, (NH4Al(SO4)(2).12H(2)O), were performed with concentrated multicomponent acidic solutions (originating from underground uranium leaching in Straz pod Ralskem area, Czech Republic, and containing as the principal components Al3+, NH4+, and SO42- ions) as well as with similar solutions prepared in the laboratory. The yield of NH4Al(SO4)(2).12H(2)O crystals increased significantly with the increasing NH4+/Al3+ molar ratio, in accordance with pertinent solubility data. The purifying effect of crystallization was quantified by means of the distribution coefficients, characterizing the uptake of ionic impurities to alum crystals; the tendency of cationic impurities to crystallize with NH4Al(SO4)(2). Experiments with cooling crystallization of ammonium alum, (NH4Al(SO4)(2).12H(2)O), were performed with concentrated multicomponent acidic solutions (originating from underground uranium leaching in Straz pod Ralskem area, Czech Republic, and containing as the principal components Al3+, NH4+, and SO42- ions) as well as with similar solutions prepared in the laboratory. The yield of NH4Al(SO4)(2).12H(2)O crystals increased significantly with the increasing NH4+/Al3+ molar ratio, in accordance with pertinent solubility data. The purifying effect of crystallization was quantified by means of the distribution coefficients, characterizing the uptake of ionic impurities to alum crystals; the tendency of cationic impurities to crystallize with NH4Al(SO4)(2). (en)
Title	Recovery of ammonium alum from waste solutions with a varying ratio of NH4 to Al in groundwater remediation after underground uranium leaching Získávání kamence hlinitoamonného z odpadních roztoků s proměnným poměrem NH4 k Al při sanaci podzemních vod po těžbě uranu podzemním loužením (cs) Recovery of ammonium alum from waste solutions with a varying ratio of NH4 to Al in groundwater remediation after underground uranium leaching (en)
skos:prefLabel	Recovery of ammonium alum from waste solutions with a varying ratio of NH4 to Al in groundwater remediation after underground uranium leaching Získávání kamence hlinitoamonného z odpadních roztoků s proměnným poměrem NH4 k Al při sanaci podzemních vod po těžbě uranu podzemním loužením (cs) Recovery of ammonium alum from waste solutions with a varying ratio of NH4 to Al in groundwater remediation after underground uranium leaching (en)
skos:notation	RIV/61388980:_____/07:00087604!RIV08-GA0-61388980
http://linked.open.../vavai/riv/strany	342;349
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/04/1574), Z(AV0Z40320502)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Hostomská, Věra Hostomský, Jiří
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	446765
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/07:00087604
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ammonium aluminium sulphate; gypsum; crystallization (en)
http://linked.open.../riv/klicoveSlovo	crystallization gypsum ammonium aluminium sulphate
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[D153BF630A38]
http://linked.open...i/riv/nazevZdroje	Journal of Hazardous Materials
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Formation of calcium sulphate incrustations in crystallization of substances from concentrated sulphate solutions
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	147
http://linked.open...iv/tvurceVysledku	Hostomský, Jiří Hostomská, Věra
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí
issn	0304-3894
number of pages	8 (xsd:int)

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