Optimized Conditions for Bioleaching using Yeasts from Municipal Solid Wastes to produce Safe Compost or Fertiliser

Jwan J Abdullah, Amina Ahmed El Emam, Gregory A Tucker, Jwan J Abdullah, Darren Greetham, Chenyu Du and Amina Ahmed El Emam
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Gregory A Tucker: School of Biosciences, University of Nottingham, UK
Jwan J Abdullah: Department of environment, University of Salahaddin Hawler, Iraq
Chenyu Du: School of Applied Science, University of Huddersfield, UK
Amina Ahmed El Emam: Department of Microbiology, University of Ilorin, Nigeria

International Journal of Environmental Sciences & Natural Resources, 2018, vol. 8, issue 3, 92-101

Abstract: Bioleaching can be considering a simple and effective technology for removing metals from waste which is rich in heavy metals. Bioleaching of these metals by microorganisms offers an economical and eco-friendly approach. In this study Saccharomyces cerevisiae NCYC2592, was used to remove metals from municipal solid waste (MSW). The tolerance of S. cerevisiae against the metals was determined using phenotypic microarrays using artificial hydrolysate containing various metals. Parameters such as one and two way methods or process, yeast strains, pH and mediums were studied and optimized. The results revealed that two-way methods and S. stipitis strain among five strains, using artificial media correlated with better performance at pH 5.5, while at pH 4 Correlated with sorghum media which showed lowest retained yield %.

Keywords: earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals; juniper publishers reivew (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:adp:ijesnr:v:8:y:2018:i:3:p:92-101

DOI: 10.19080/IJESNR.2018.08.555738

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