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Biofiltration of high concentration of hydrogen sulphide using Thiobacillus thioparus

  • Patricio Oyarzún
  • , Fernando Arancibia
  • , Christian Canales
  • , Germán E. Aroca*
  • *Corresponding author for this work
  • Pontificia Universidad Católica de Valparaíso

Research output: Contribution to journalArticlepeer-review

175 Scopus citations

Abstract

A biofiltration system using peat as solid support inoculated with Thiobacillus thioparus (ATCC 23645) was developed for treating a gaseous stream containing high concentrations of H2S. The inoculation systems allowed an efficient colonisation of the peat with T. thioparus, reaching 2.7 x 108 cells g-1 of dry peat. The biofilter reached an efficiency of 100% when fed with 355 ppm H2S and an air flow of 0. 030 m3 h-1. When increasing the inlet concentration of the acid, the removal efficiencies of H2S decreased, reaching 90 and 60%, at 0.070 and 0.030 m3 h-1, respectively. A maximum value for the elimination capacities of 55 g m-3 h-1 was obtained. Mathematical modelling based on Ottengraf's model enabled a prediction of the performance of the biofilter.

Original languageEnglish
Pages (from-to)165-170
Number of pages6
JournalProcess Biochemistry
Volume39
Issue number2
DOIs
StatePublished - 2003
Externally publishedYes

Bibliographical note

Funding Information:
This research was funded by the National Fund for Science and Technology (FONDECYT), Project 1000302, and the Catholic University of Valparaı́so.

ASJC Scopus subject areas

  • Bioengineering
  • Biochemistry
  • Applied Microbiology and Biotechnology

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