Influence Of Used Bacterial Culture On Zinc And Aluminium Bioleaching From Printed Circuit Boards
Bioleaching processes were used to solubilize metals (Cu, Ni, Zn and Al) from printed circuit boards (PCBs). In this study, a PCBs-adapted pure culture of Acidithiobacillus ferrooxidans, pure culture of Acidithiobacillus thiooxidans and PCBs-adapted mixed culture of A. ferrooxidans and A. thiooxidan...
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doaj-9edf56b52af74adfa76b78a85f55f52d2020-11-24T21:55:17ZengSciendoNova Biotechnologica et Chimica1338-69052015-06-01141455110.1515/nbec-2015-0013nbec-2015-0013Influence Of Used Bacterial Culture On Zinc And Aluminium Bioleaching From Printed Circuit BoardsMrazikova Anna0Marcincakova Renata1Kadukova Jana2Velgosova Oksana3Balintova Magdalena4Technical University in Košice, Faculty of Metallurgy, Letná 9, 042 00 Košice, Slovak RepublicTechnical University in Košice, Faculty of Metallurgy, Letná 9, 042 00 Košice, Slovak RepublicTechnical University in Košice, Faculty of Metallurgy, Letná 9, 042 00 Košice, Slovak RepublicTechnical University in Košice, Faculty of Metallurgy, Letná 9, 042 00 Košice, Slovak RepublicTechnical University in Košice, Faculty of Civil Engineering, Institute of Environmental Engineering, Vysokoskolska 4, 042 00 Kosice, Slovak RepublicBioleaching processes were used to solubilize metals (Cu, Ni, Zn and Al) from printed circuit boards (PCBs). In this study, a PCBs-adapted pure culture of Acidithiobacillus ferrooxidans, pure culture of Acidithiobacillus thiooxidans and PCBs-adapted mixed culture of A. ferrooxidans and A. thiooxidans were used for recovery of the metals. The study showed that the mixed bacterial culture has the greatest potential to dissolve metals. The maximum metal bioleaching efficiencies were found to be 100, 92, 89 and 20% of Cu, Ni, Zn and Al, respectively. The mixed culture revealed higher bacterial stability. The main factor responsible for high metal recovery was the ability of the mixed culture to maintain the low pH during the whole process. The pure culture of A. thiooxidans had no significant effect on metal bioleaching from PCBs.http://www.degruyter.com/view/j/nbec.2015.14.issue-1/nbec-2015-0013/nbec-2015-0013.xml?format=INTbioleachingelectronic wastezincaluminiumAcidithiobacillus ferrooxidansAcidithiobacillus thiooxidans |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mrazikova Anna Marcincakova Renata Kadukova Jana Velgosova Oksana Balintova Magdalena |
spellingShingle |
Mrazikova Anna Marcincakova Renata Kadukova Jana Velgosova Oksana Balintova Magdalena Influence Of Used Bacterial Culture On Zinc And Aluminium Bioleaching From Printed Circuit Boards Nova Biotechnologica et Chimica bioleaching electronic waste zinc aluminium Acidithiobacillus ferrooxidans Acidithiobacillus thiooxidans |
author_facet |
Mrazikova Anna Marcincakova Renata Kadukova Jana Velgosova Oksana Balintova Magdalena |
author_sort |
Mrazikova Anna |
title |
Influence Of Used Bacterial Culture On Zinc And Aluminium Bioleaching From Printed Circuit Boards |
title_short |
Influence Of Used Bacterial Culture On Zinc And Aluminium Bioleaching From Printed Circuit Boards |
title_full |
Influence Of Used Bacterial Culture On Zinc And Aluminium Bioleaching From Printed Circuit Boards |
title_fullStr |
Influence Of Used Bacterial Culture On Zinc And Aluminium Bioleaching From Printed Circuit Boards |
title_full_unstemmed |
Influence Of Used Bacterial Culture On Zinc And Aluminium Bioleaching From Printed Circuit Boards |
title_sort |
influence of used bacterial culture on zinc and aluminium bioleaching from printed circuit boards |
publisher |
Sciendo |
series |
Nova Biotechnologica et Chimica |
issn |
1338-6905 |
publishDate |
2015-06-01 |
description |
Bioleaching processes were used to solubilize metals (Cu, Ni, Zn and Al) from printed circuit boards (PCBs). In this study, a PCBs-adapted pure culture of Acidithiobacillus ferrooxidans, pure culture of Acidithiobacillus thiooxidans and PCBs-adapted mixed culture of A. ferrooxidans and A. thiooxidans were used for recovery of the metals. The study showed that the mixed bacterial culture has the greatest potential to dissolve metals. The maximum metal bioleaching efficiencies were found to be 100, 92, 89 and 20% of Cu, Ni, Zn and Al, respectively. The mixed culture revealed higher bacterial stability. The main factor responsible for high metal recovery was the ability of the mixed culture to maintain the low pH during the whole process. The pure culture of A. thiooxidans had no significant effect on metal bioleaching from PCBs. |
topic |
bioleaching electronic waste zinc aluminium Acidithiobacillus ferrooxidans Acidithiobacillus thiooxidans |
url |
http://www.degruyter.com/view/j/nbec.2015.14.issue-1/nbec-2015-0013/nbec-2015-0013.xml?format=INT |
work_keys_str_mv |
AT mrazikovaanna influenceofusedbacterialcultureonzincandaluminiumbioleachingfromprintedcircuitboards AT marcincakovarenata influenceofusedbacterialcultureonzincandaluminiumbioleachingfromprintedcircuitboards AT kadukovajana influenceofusedbacterialcultureonzincandaluminiumbioleachingfromprintedcircuitboards AT velgosovaoksana influenceofusedbacterialcultureonzincandaluminiumbioleachingfromprintedcircuitboards AT balintovamagdalena influenceofusedbacterialcultureonzincandaluminiumbioleachingfromprintedcircuitboards |
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1725863631412789248 |