Carbon disulfide oxidation by a microbial consortium from a trickling filter

Sergio Alcántara, Isabel Estrada, Ma Soledad Vásquez, Sergio Revah

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Biological oxidation rates of CS2 with a mixed microbial culture obtained from a trickling filter were optimal with 3 mM CS2, pH 7, 30°C and SO42- below 25 g l-1. Degradation rates were 3.4 mg CS2/g(protein)min and 13.8 mg H2S/g(protein)min. The concentrations of intermediates (H2S, COS and S°) and the product (SO42- of CS2 oxidation were measured. The biological oxidation was due principally to Gram negative bacteria.

Original languageEnglish
Pages (from-to)815-819
Number of pages5
JournalBiotechnology Letters
Volume21
Issue number9
DOIs
StatePublished - 1999
Externally publishedYes

Keywords

  • Carbon disulfide
  • Hydrogen sulfide
  • Sulfur oxidizing consortia
  • Thiobacilli

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