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Journal Info

Title: Studia Universitatis Vasile Goldis, Seria Stiintele Vietii (Life Sciences Series)
Abbreviated title: Studia Univ. VG, SSV
Publisher: "Vasile Goldis" University Press
Owner: Western University "Vasile Goldis" Arad, Romania
ISSN: 1584-2363
e-ISSN: 1842-7863
ISSN-L: 1584-2363

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Potential of microbial functional communities for high-tech critical metals recovery Print E-mail
Written by Butu A., Rodino S., Dobre A., Butu M.   
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Article Title: Potential of microbial functional communities for high-tech critical metals recovery
Authors: Butu A., Rodino S., Dobre A., Butu M.
Affiliation: 1National Institute of Research and Development for Biological Sciences, Bucharest, Romania
Abstract: According to European Commission reports published between 2010 - 2013, the development of European economy depends crucially on access to critical raw materials. Following the analysis performed by experts at European level, in 2011 was compiled and published a list of 14 critical raw materials, the so-called EU-14. In 2014 the list was updated with several new elements and one element (tantalum), was withdrawn from the list. The current list, being renamed EU-20, covers 20 critical raw materials including several high tech critical metals. Traditional mine exploitations are concentrated on using the deposits of ore extracted and processed by conventional techniques. The efficiency of metal recovery was variable over time and as a result, a significant amount of metal was discarded, most concentrations exceeding the current minimal permissible threshold. On the other hand, it is necessary the recovery of recyclable waste for reducing the risk of shortage of high tech critical metals. Therefore, it is necessary to develop new technologies for obtaining high tech critical metals, which is applicable to both primary and secondary sources of raw materials. Recovery of high-tech critical metals by processing ore, tailings or mine wastes, and recyclable materials can be successfully done with help of consortia or individual isolates of microorganisms, bacteria or fungi. Microorganisms interact with metals thus altering their physical and chemical condition. Isolation of individual strains and identification of microbial consortia that can be used in the design and development of effective biotechnological processes for the extraction of high tech critical metals is a current challenge of the scientific research in Europe.
Keywords: microbial communities, critical metals, high-tech industry, biorecovery, bioaccumulation
*Correspondence: Steliana RODINO, National Institute of Research and Development for Biological Sciences, BIOTECHNOLOGY Department, Splaiul Independentei 296, P.O. Box 17-16, 060031, Bucharest, Romania, Tel. / Fax. +4 021 220 0880, email: steliana.rodino