Product inhibition in sludge digestion
- 1 September 1977
- journal article
- research article
- Published by Springer Nature in Microbial Ecology
- Vol. 4 (3) , 241-248
- https://doi.org/10.1007/bf02015080
Abstract
Hydrogen and acetate inhibit the microbial degradation of propionate and ethanol in digesting sludge. Propionate oxidation is more sensitive than ethanol oxidation to product activities. This difference can be explained on thermodynamic grounds. It is concluded that the limiting factors for complete anaerobic mineralization of biodegradable organic matter in digesting sludge are to be sought in the boundary conditions for the exergonic oxidation of propionate. The different ecological significances of hydrogen and acetate as inhibitory agents of fatty acid degradation in sludge digestion are discussed. Hydrogen partial pressure and alkalinity are recommended as parameters in monitoring sludge digestion.This publication has 21 references indexed in Scilit:
- Energy conservation in chemotrophic anaerobic bacteria.1977
- Fermentation of cellulose and cellobiose by Clostridium thermocellum in the absence of Methanobacterium thermoautotrophicumApplied and Environmental Microbiology, 1977
- Energy conservation in chemotrophic anaerobic bacteria.Microbiology and Molecular Biology Reviews, 1977
- Inhibitory effects of H2 on growth of Clostridium cellobioparumApplied and Environmental Microbiology, 1976
- H2 production by Selenomonas ruminantium in the absence and presence of methanogenic bacteria.1975
- H2 Production by Selenomonas ruminantium in the Absence and Presence of Methanogenic BacteriaApplied Microbiology, 1975
- Metabolic interactions among intestinal microorganismsThe American Journal of Clinical Nutrition, 1974
- Methanobacillus omelianskii, a symbiotic association of two species of bacteriaArchiv für Mikrobiologie, 1967
- STUDIES ON THE METHANE FERMENTATION VIIIJournal of Bacteriology, 1951
- THE ANAEROBIC OXIDATION OF FATTY ACIDSJournal of the American Chemical Society, 1930