Optimization of the arsenic removal process from enargite based complex copper concentrate | Zendy

Aleksandra Mitovski | Zendy; Ivan Mihajlović | Zendy; Nada Štrbac | Zendy; Miroslav Sokić | Zendy; Dragana Živković | Zendy; Živan Živković | Zendy

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Optimization of the arsenic removal process from enargite based complex copper concentrate

Author(s) -

Aleksandra Mitovski,

Ivan Mihajlović,

Nada Štrbac,

Miroslav Sokić,

Dragana Živković,

Živan Živković

Publication year - 2014

Publication title -

hemijska industrija

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.147

H-Index - 19

eISSN - 2217-7426

pISSN - 0367-598X

DOI - 10.2298/hemind140203042m

Subject(s) - arsenic , leaching (pedology) , copper , copper extraction techniques , factorial experiment , extraction (chemistry) , chemistry , sodium hypochlorite , metallurgy , materials science , mathematics , chromatography , environmental science , soil science , statistics , organic chemistry , soil water

Selective arsenic extraction from enargite based complex concentrate from Copper Mine in Bor (Serbia), using sodium hypochlorite as a leaching agent, was investigated in this paper. The aim was to assess the optimal conditions for the most efficient arsenic removal from the investigated concentrate, based on factorial design applied to experimentally obtained data. Five important factors with three factor levels were used as the input variables and experimentally obtained arsenic extraction yield was taken as the output variable. The first and the second final order model equations were obtained. It was found that the leaching temperature had the strongest effect on the arsenic extraction. The strongest positive interaction was between the sodium hypochlorite molar concentration and the stirring speed during extraction. [Projekat Ministarstva nauke Republike Srbije, br. TR 34023

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