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   Articles with "biooxidation" as a keyword



Microbial synergy and stoichiometry in heap biooxidation of low-grade porphyry arsenic-bearing gold ore

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recommendations! Published in 2020 at "Extremophiles"

DOI: 10.1007/s00792-020-01160-6

Abstract: Heap biooxidation method was used to evaluate the availability of Paodaoling gold ore in Anhui province, China. 15,000 tons of gold ores (≤ 10 mm in diameter) were bioxidized under mesophilic conditions. Under the synergistic effect… read more here.

Keywords: gold ore; biooxidation; stoichiometry; microbial synergy ... See more keywords
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A novel computational simulation approach to study biofilm significance in a packed-bed biooxidation reactor.

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recommendations! Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.127680

Abstract: Fe (II) biooxidation has recently gained significant interest. It plays a key role in a number of environmental and industrial processes such as bioleaching, acid mine drainage treatment, desulphurization of sour gases, and coal desulphurization.… read more here.

Keywords: packed bed; bed biooxidation; biooxidation; biooxidation reactor ... See more keywords
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Improving gold recovery from refractory gold ores through biooxidation using iron-sulfur-oxidizing/sulfur-oxidizing mixotrophic bacteria

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recommendations! Published in 2017 at "Hydrometallurgy"

DOI: 10.1016/j.hydromet.2016.10.018

Abstract: Abstract The effect of biooxidation (BIOX) pre-treatment of refractory gold concentrates using mixotrophic and chemolithotrophic bacteria on the gold extraction during cyanidation of the concentrates at neutral pH was studied. A series of biooxidation and… read more here.

Keywords: sulfur oxidizing; biooxidation; refractory gold; mixotrophic bacteria ... See more keywords
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Comparative investigations on sulfidic gold ore processing: A novel biooxidation process option

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recommendations! Published in 2019 at "Minerals Engineering"

DOI: 10.1016/j.mineng.2019.105864

Abstract: Abstract Microbial enhanced sulfide oxidation is one of the alternatives to roasting or pressure oxidation (POX). High grade whole ores or upgraded sulfide concentrates can be processed using POX or roasting processes but the high… read more here.

Keywords: pox roasting; biooxidation; process; sand farming ... See more keywords