Abstract
AbstractBACKGROUNDMicroorganisms with high tolerance to toxic metal effects are essential for such processes as bioremediation, bioaccumulation, sewage and wastewater treatment, and also biosynthesis of metal nanoparticles (NPs).RESULTSA brief and simple method for formation of synthetic activated sludge granules with high resistance to toxic metal ions is reported. The symbiotic granules formed had much more resistance to toxic metals than the initial native activated sludge or its pure culture isolates. The microbial survival assessed at concentration 20 mg L−1 of Ag+ was 7% for the initial activated sludge; it being 9, 13 and 12% for granules of the pure cultures of Fusarium oxysporum, Fusarium nivale, and Penicillium glabrum, respectively, while the survival of the three‐layered synthetic granules formed on the basis of these cultures reached 24%.CONCLUSIONThe method is based first on selection of cultures of activated sludge of wastewater treatment facilities which had the most resistance to silver ions, and then on creation of multilayered activated sludge granules. Microbial cultures with low resistance to metal ion toxicity were protected by layers of microorganisms with higher resistance. © 2014 Society of Chemical Industry
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of Chemical Technology & Biotechnology
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
