Biohydrometallurgy: a meeting point between microbial ecology metal recovery processes and environmental remediation : (IBS 2009) ; selected peer reviewed papers from the 18th International Conference IBS 13 17 September 2009 Bariloche Argentina ; [proceedings of the 18th International Biohydrometallurgy Symposium] Section I : Biohydrometallurgy Section II : Microbial ecology Section III : Microbiology biochemistry and molecular biology Section IV : Mineral processing Section V : Bioremediation environmental protection and new biomaterials