Lab-scale production of biogenic sulphide for metal precipitation in remote areas

Maria Teresa Arminda Alvarez Aliaga, Britt Marie Pott, Georgina Chávez, Alberto José Gimenez Turba, Rajni Hatti-Kaul, Bo Mattiasson

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1 Scopus citations

Abstract

Batch cultures with wheat straw, biomass of Paja Brava (Festuca orthophylla), filter paper, newspaper and beech leaves (Fagus sylvatica) were established to produce sulphide. Sulphide production, sulphate reduction, concentration of Volatile Fatty Acids (VFAs), enzyme activities and Fluorescence in situ hybridisation were determined. Approximately 5 mM of sulphide was produced during anaerobic digestion of wheat straw, while the production with newspaper as carbon source was the lowest (ca.1 mM). The sulphide production (2-5 mM) in the semi-continuous culture of the consortium A10, using wheat straw supported Cu(II), Pb (II) and Zn (II) removal up to 90%.

Original languageEnglish
Pages (from-to)313-329
Number of pages17
JournalInternational Journal of Environment and Waste Management
Volume9
Issue number3-4
DOIs
StatePublished - Apr 2012

Keywords

  • Anaerobic digestion
  • Cellulose
  • Heavy metal precipitation
  • Hemicellulose
  • Sulphide production

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