Effect of Microwave Pretreatment on Leaching of Tetrahedrite
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27350%2F21%3A10248871" target="_blank" >RIV/61989100:27350/21:10248871 - isvavai.cz</a>
Výsledek na webu
<a href="https://iopscience.iop.org/article/10.1088/1755-1315/906/1/012111/pdf" target="_blank" >https://iopscience.iop.org/article/10.1088/1755-1315/906/1/012111/pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1755-1315/906/1/012111" target="_blank" >10.1088/1755-1315/906/1/012111</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Effect of Microwave Pretreatment on Leaching of Tetrahedrite
Popis výsledku v původním jazyce
In mineral processing, the use of microwave radiation is important especially in pre-treatment processes. At present, there is an acceleration of processes as well as an increase in the efficiency of metal recovery. One of the main problems in copper recovery from complex sulphide ores is the removal of impurities such as antimony, arsenic, mercury. In the hydrometallurgical processing scheme, the key step is the leaching. The extraction process can be influenced by the selection of suitable leaching reagents or by suitable pre-treatment of the ore. The article describes the effect of microwave radiation on the leaching Sb, As and Hg of tetrahedrite and tetrahedrite concentrate. The samples were irradiated at the power 900 W for 30 seconds. The leaching of irradiated and non-irradiated samples was realized in an alkaline sodium sulphide. The positive effect of microwave radiation was confirmed by an increase in the recovery of Sb and As already after 15 min of extraction. After microwave leaching of irradiated tetrahedrite samples, the yield of Sb was 43.2 %, in irradiated tetrahedrite concentrate, the yield of Sb was 81.3 %. (C) Published under licence by IOP Publishing Ltd.
Název v anglickém jazyce
Effect of Microwave Pretreatment on Leaching of Tetrahedrite
Popis výsledku anglicky
In mineral processing, the use of microwave radiation is important especially in pre-treatment processes. At present, there is an acceleration of processes as well as an increase in the efficiency of metal recovery. One of the main problems in copper recovery from complex sulphide ores is the removal of impurities such as antimony, arsenic, mercury. In the hydrometallurgical processing scheme, the key step is the leaching. The extraction process can be influenced by the selection of suitable leaching reagents or by suitable pre-treatment of the ore. The article describes the effect of microwave radiation on the leaching Sb, As and Hg of tetrahedrite and tetrahedrite concentrate. The samples were irradiated at the power 900 W for 30 seconds. The leaching of irradiated and non-irradiated samples was realized in an alkaline sodium sulphide. The positive effect of microwave radiation was confirmed by an increase in the recovery of Sb and As already after 15 min of extraction. After microwave leaching of irradiated tetrahedrite samples, the yield of Sb was 43.2 %, in irradiated tetrahedrite concentrate, the yield of Sb was 81.3 %. (C) Published under licence by IOP Publishing Ltd.
Klasifikace
Druh
D - Stať ve sborníku
CEP obor
—
OECD FORD obor
20703 - Mining and mineral processing
Návaznosti výsledku
Projekt
—
Návaznosti
V - Vyzkumna aktivita podporovana z jinych verejnych zdroju
Ostatní
Rok uplatnění
2021
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název statě ve sborníku
IOP Conference Series: Earth and Environmental Science. Volume 906
ISBN
—
ISSN
1755-1307
e-ISSN
1755-1315
Počet stran výsledku
7
Strana od-do
—
Název nakladatele
IOP Publishing
Místo vydání
Bristol
Místo konání akce
Praha
Datum konání akce
6. 9. 2021
Typ akce podle státní příslušnosti
WRD - Celosvětová akce
Kód UT WoS článku
—