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Biotechnology Letters

, Volume 21, Issue 9, pp 815–819 | Cite as

Carbon disulfide oxidation by a microbial consortium from a trickling filter

  • Sergio Alcántara
  • Isabel Estrada
  • Ma. Soledad Vásquez
  • Sergio Revah
Article

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/gproteinmin and 13.8 mg H2S/gproteinmin. 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.

carbon disulfide hydrogen sulfide sulfur oxidizing consortia thiobacilli 

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Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • Sergio Alcántara
    • 1
  • Isabel Estrada
    • 1
  • Ma. Soledad Vásquez
    • 1
  • Sergio Revah
    • 1
  1. 1.Department of Chemical EngineeringUniversidad Autónoma Metropolitana- IztapalapaMéxicoD.F. México

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