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Title: Copper biomachining mechanisms using the newly isolated Acidithiobacillus ferrooxidans B1
Authors: Xenofontos, Eleni 
Feidiou, Antri 
Constantinou, Marios 
Constantinides, Georgios 
Vyrides, Ioannis 
Keywords: Copper;Acidithiobacillus ferrooxidans;Scanning electron microscopy;Biomachining;Roughness
Category: Other Agricultural Sciences
Field: Agricultural Sciences
Issue Date: 1-Jan-2015
Publisher: Elsevier Ltd
Source: Copper biomachining mechanisms using the newly isolated Acidithiobacillus ferrooxidans B1
Abstract: The controlled microbiological corrosion or biomachining has promising applications in the production of microstructures on a metal workpiece. This process is innovative, low cost and environmentally friendly. Acidithiobacillus ferrooxidans B1 was found to be the most effective strain during copper biomachining of a workpiece among 6 isolated A. Ferrooxidans strains. A. ferrooxidans B1 was tested for copper biomachining at various conditions, such as pH regulation (pH 1.8 or unregulated), temperature control (4 °C, 20 °C) and inoculation strategy. The dominant biomachining mechanism was found to be the indirect degradation/bioleaching of copper from the workpiece due to the microbial regenerated ferric ions.
ISSN: 0010938X
Rights: © 2015 Elsevier Ltd.
Type: Article
Appears in Collections:Άρθρα/Articles

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