Selective biosorption and recovery of Ruthenium from industrial effluents with Rhodopseudomonas palustris strains

Applied Microbiology and Biotechnology
G ColicaR De Philippis

Abstract

This study demonstrated for the first time the possibility to remove and partially recover the Ruthenium contained in industrial effluents by using purple non sulfur bacteria (PNSB) as microbial biosorbents. Up to date, the biosorption was only claimed as possible tool for the removal of the platinum-group metals (PGM) but the biosorption of Ru was never experimentally investigated. The PNSBs tested have adsorbed around 40 mg g (dry biomass)(-1) of the Ru contained in the real industrial effluents. At the end of the bioremoval experiments, the amount of Ru recovered from the biomass ranged from 42 % to 72 % of that adsorbed by PNSB, depending by the characteristics of the Ru effluent used. In any case, the use of microbial sorbents such as PNSB for the biosorption and recovery of Ru can be considered a way to reduce both the costs and the impact on the environment of the mining activities needed to obtain the increasing amounts of this rare and precious metal requested by the industrial activities related to its use.

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May 29, 2010·Applied Microbiology and Biotechnology·Giovanni ColicaRoberto De Philippis
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Citations

Feb 26, 2014·Bioresource Technology·Sung Wook WonYeoung-Sang Yun
Apr 29, 2015·Current Opinion in Biotechnology·Wei-Qin ZhuangTom Hennebel
Mar 12, 2016·Standards in Genomic Sciences·Alessandra AdessiRoberto De Philippis
Sep 11, 2012·Journal of Applied Microbiology·G ColicaR De Philippis
Jul 14, 2017·Microbial Biotechnology·Jing He, Andreas Kappler
Dec 28, 2017·Applied Microbiology and Biotechnology·Yan-Qiu SuYi Cao

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