Bio-oxidation of H2S by Sulfolobus metallicus

Marjorie Morales, Jonathan Arancibia, Mariana Lemus, Javier Silva, Juan Carlos Gentina, German Aroca

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Sulfolobus metallicus is a hyperthermophilic and chemolithoautotrophic archaeon that uses elemental sulfur as an energy source. Its ability to oxidize H2S was measured either in the presence or absence of elemental sulphur, showing its ability for using both as an energy source. A biotrickling filter was set up and a biofilm of S. metallicus was established over the support. The maximum removal capacity of the biotrickling filter reached at 55°C was 40 g S/m3h for input loads higher than 70 g S/m3h. Thus, S. metallicus can be used in a biofiltration system for the treatment of waste gas emissions at high temperatures contaminated with H2S.

Original languageEnglish
Pages (from-to)2141-2145
Number of pages5
JournalBiotechnology Letters
Issue number11
StatePublished - Nov 2011


  • Biofiltration
  • Biotrickling filter
  • HS
  • Sulfolobus metallicus


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