Development of a kinetic model for elemental sulfur and sulfate formation from the autotrophic sulfide oxidation using respirometric techniques

Armando Gonzalez-Sanchez, Maria Tomas, Antoni David Dorado, Xavier Gamisans, Albert Guisasola, David Gabriel, Francisco Javier Lafuente Sancho

Research output: Contribution to journalArticleResearchpeer-review

16 Citations (Scopus)

Abstract

A kinetic model for the elemental sulfur and sulfate production from the autotrophic sulfide oxidation has been proposed. It is based on two kinetic equations able to describe the simultaneous microbial consumption of oxygen and sulfide (OUR and SUR) as a function of a particular sulfide-oxidizing microorganism or its physiological state, these can be characterized by the assessment of their kinetic constants. The respirometric technique allowed to estimate the dynamic experimental OUR and SUR profiles, which were used to calibrate the kinetic model. The ratio OUR/SUR was proposed to predict the sulfide oxidation extent and then the fate of sulfide to elemental sulfur and sulfate. © IWA Publishing 2009.
Original languageEnglish
Pages (from-to)1323-1329
JournalWater Science and Technology
Volume59
DOIs
Publication statusPublished - 12 Jun 2009

Keywords

  • Elemental sulfur
  • Kinetic model
  • Respirometry
  • Sulfate
  • Sulfide oxidation

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