2019
DOI: 10.3390/met9050521
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Gold Bioleaching from Printed Circuit Boards of Mobile Phones by Aspergillus niger in a Culture without Agitation and with Glucose as a Carbon Source

Abstract: Hydrometallurgical and pyrometallurgical processes to recover gold (Au) from cell-phone printed circuit boards (PCBs) have the disadvantage of generating corrosive residues and consuming a large amount of energy. Therefore, it is necessary to look for biological processes that have low energy consumption and are friendly to the environment. Among the biological alternatives for the recovery of Au from PCB is the use of cyanogenic bacteria and filamentous fungi in cultures with agitation. Considering that it is… Show more

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Cited by 43 publications
(11 citation statements)
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“…Aside from Chromobacterium violaceum, researchers also utilize Pseudomonas balearica SAEI strain for gold bioleaching and a recuperation rate of 68.5% has been observed (Kumar et al, 2018). Also, another specialist utilizes the organism Aspergillus niger of the family Trichocomaceae for gold bioleaching and 56% of the recuperation rate has been accomplished (Argumedo-Delira et al, 2019;Becci et al, 2020). The flow chart of gold bioleaching ( Figure 2) using Aspergillus niger from printed circuit boards is given below: Figure 2.…”
Section: Ilyasmentioning
confidence: 99%
“…Aside from Chromobacterium violaceum, researchers also utilize Pseudomonas balearica SAEI strain for gold bioleaching and a recuperation rate of 68.5% has been observed (Kumar et al, 2018). Also, another specialist utilizes the organism Aspergillus niger of the family Trichocomaceae for gold bioleaching and 56% of the recuperation rate has been accomplished (Argumedo-Delira et al, 2019;Becci et al, 2020). The flow chart of gold bioleaching ( Figure 2) using Aspergillus niger from printed circuit boards is given below: Figure 2.…”
Section: Ilyasmentioning
confidence: 99%
“…Aside from Chromobacterium violaceum, researchers also utilize Pseudomonas balearica SAEI strain for gold bioleaching and a recuperation rate of 68.5% has been observed . Also, another specialist utilizes the organism Aspergillus niger of the family Trichocomaceae for gold bioleaching and 56% of the recuperation rate has been accomplished (Argumedo-Delira et al, 2019;Becci et al, 2020). The flow chart of gold bioleaching ( Figure 2) using Aspergillus niger from printed circuit boards is given below: Figure 2.…”
Section: Ilyasmentioning
confidence: 99%
“…The flow chart of gold bioleaching ( Figure 2) using Aspergillus niger from printed circuit boards is given below: Figure 2. Gold (Au) bioleaching from printed circuit boards of mobile phones using Aspergillus niger (Argumedo-Delira et al, 2019).…”
Section: Ilyasmentioning
confidence: 99%
“…The fungus Aspergillus sp. is among the most commonly used microorganisms in bioleaching of metals from PCBs (Brandl et al 2001;Madrigal-Arias et al 2015;Argumedo-Delira et al 2019). Copper and lead precipitation, which might affect the leaching efficiency, is a complex process including a broad range of interactions of microbial surface and metabolites with dissolved metals in culture medium, including changes in pH during fungal incubation (Kolencik et al 2013).…”
Section: Cu and Pb Bioleaching From Pcbs By Fungusmentioning
confidence: 99%