Affordable Access

Publisher Website

Survival ofE. coliandEnterococciin sediment-water systems of lake kinneret under (feedback) controlled concentrations of hydrogen sulfide

Authors
Journal
Water Research
0043-1354
Publisher
Elsevier
Publication Date
Volume
22
Issue
2
Identifiers
DOI: 10.1016/0043-1354(88)90083-8
Keywords
  • Feedback Control
  • Survival Rate
  • E. Coli
  • Enterococci
  • Hydrogen Sulfide
  • Sediment-Water Systems
  • Lake Kinneret
  • Modeling

Abstract

Abstract A feedback control system was applied to establish defined redox conditions in sediment-water systems: the H 2S release was counterbalanced by adding of air oxygen on arbitrarily chosen pH 2S setpoints. pH 2S was measured by a pH 2S electrode cell as the controlled variable. E. coli and Enterococci were inoculated into the system to study their survival. Applying a new kinetic approach different growth patterns were revealed, indicating that E. coli, in contrast to Enterococci, shows significant dependence on the predominating redox conditions. Enterococci may thus be a more reliable indicator of fecal contamination in cases were sulfide is present.

There are no comments yet on this publication. Be the first to share your thoughts.