Growth kinetics of Sphaerotilus natans and a floc former in pure and dual continuous culture

A. O. Lau, P. F. Strom, D. Jenkins

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

As part of the development of a mathematical model to describe activated sludge bulking at low mixed liquor dissolved oxygen (DO) concentrations, the Monod kinetic coefficients were determined for a filamentous and a floc-forming bacterium. These two bacteria were used as a model system of the activated sludge microbial community. The mathematical model and its implications are detailed in a companion paper. The organisms used, the determination of the required kinetic coefficients in pure continuous culture experiments, the results of dual continuous culture experiments in which bacterial associations reminiscent of activated sludge floc were produced, and the outcome of the competition between the two bacteria under different conditions are the subject of this paper.

Original languageEnglish (US)
Pages (from-to)41-51
Number of pages11
JournalJournal of the Water Pollution Control Federation
Volume56
Issue number1
StatePublished - 1984
Externally publishedYes

ASJC Scopus subject areas

  • Pollution

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