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Recovery of critical metals using biometallurgy

Paper ID Volume ID Publish Year Pages File Format Full-Text
15598 42454 2015 9 PDF Available
Title
Recovery of critical metals using biometallurgy
Abstract

•The supply risk of PGMs and REEs drives biometallurgical technology development.•Waste streams with low metal concentrations are niches for biometallurgy.•The advantages of biometallurgy include specificity, energetics, and minimal waste.•Challenges are associated with complex waste streams, toxicity and side reactions.•Research should focus on novel microbial and material characterization approaches.

The increased development of green low-carbon energy technologies that require platinum group metals (PGMs) and rare earth elements (REEs), together with the geopolitical challenges to sourcing these metals, has spawned major governmental and industrial efforts to rectify current supply insecurities. As a result of the increasing critical importance of PGMs and REEs, environmentally sustainable approaches to recover these metals from primary ores and secondary streams are needed. In this review, we define the sources and waste streams from which PGMs and REEs can potentially be sustainably recovered using microorganisms, and discuss the metal–microbe interactions most likely to form the basis of different environmentally friendly recovery processes. Finally, we highlight the research needed to address challenges to applying the necessary microbiology for metal recovery given the physical and chemical complexities of specific streams.

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Publisher
Database: Elsevier - ScienceDirect
Journal: Current Opinion in Biotechnology - Volume 33, June 2015, Pages 327–335
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us