Highly selective removal of Ga3 ions from Al3 /Ga3 mixtures using graphite oxide

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F15%3A43899779" target="_blank" >RIV/60461373:22310/15:43899779 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.sciencedirect.com/science/article/pii/S0008622315002225" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0008622315002225</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.carbon.2015.03.025" target="_blank" >10.1016/j.carbon.2015.03.025</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Highly selective removal of Ga3 ions from Al3 /Ga3 mixtures using graphite oxide

Popis výsledku v původním jazyce

In this paper, we present a simple solution to a major technological issue, the extraction of gallium from bauxite ore and aluminium-gallium separation. Due to its extremely large surface area and oxygen functional groups, graphite oxide was used for thehighly selective sorption of Ga3+ from Al3+/Ga3+ mixtures. Graphite oxide prepared according to the Hummers method has various oxygen functionalities which form coordination bonds with metal ions. Sorption capacity and selectivity of graphite oxide towards Al3+, Ga3+ and their mixtures were investigated. Since the results of these experiments revealed much higher affinity of graphite oxide to Ga3+ ions, we tested the procedure on aluminium-gallium oxide prepared by Bayer process from real bauxite ore.In this case too, the results showed that Ga3+ accumulated on the graphite oxide surface. This suggests that high sorption selectivity can be used for the extraction of gallium on an industrial scale and, thus, as a rich source of gallium

Název v anglickém jazyce

Highly selective removal of Ga3 ions from Al3 /Ga3 mixtures using graphite oxide

Popis výsledku anglicky

In this paper, we present a simple solution to a major technological issue, the extraction of gallium from bauxite ore and aluminium-gallium separation. Due to its extremely large surface area and oxygen functional groups, graphite oxide was used for thehighly selective sorption of Ga3+ from Al3+/Ga3+ mixtures. Graphite oxide prepared according to the Hummers method has various oxygen functionalities which form coordination bonds with metal ions. Sorption capacity and selectivity of graphite oxide towards Al3+, Ga3+ and their mixtures were investigated. Since the results of these experiments revealed much higher affinity of graphite oxide to Ga3+ ions, we tested the procedure on aluminium-gallium oxide prepared by Bayer process from real bauxite ore.In this case too, the results showed that Ga3+ accumulated on the graphite oxide surface. This suggests that high sorption selectivity can be used for the extraction of gallium on an industrial scale and, thus, as a rich source of gallium

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CA - Anorganická chemie

OECD FORD obor

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Projekt

<a href="/cs/project/GA15-09001S" target="_blank" >GA15-09001S: Chemické modifikace materiálů na bázi grafenu: Syntéza grafanu a halogengrafenu</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Carbon

ISSN

0008-6223

e-ISSN

—

Svazek periodika

89

Číslo periodika v rámci svazku

AUG 2015

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

9

Strana od-do

121-129

Kód UT WoS článku

000354592100014

EID výsledku v databázi Scopus

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