Kinetics of methane formation by granular sludge at low substrate concentrations - The influence of mass transfer limitation

Jan Dolfing*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

72 Citations (Scopus)

Abstract

Apparent Km values for methanogenesis from volatile fatty acids by various sludge granules were determined from progress curve experiments. The influence of mass transfer resistance on the kinetics of methane formation in biofilms was demonstrated with the apparent Km values thus obtained. It was shown that the effects of mass transfer resistance depend on the maximum specific activity of the biolayers and on their thickness. the data indicate that mass transfer resistance in methanogenic biolayers becomes only of significance at low substrate concentrations and in thick biolayers with high methanogenic activities.

Original languageEnglish
Pages (from-to)77-81
Number of pages5
JournalApplied Microbiology and Biotechnology
Volume22
Issue number1
DOIs
Publication statusPublished - May 1985
Externally publishedYes

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