A respirometric method for characterising the organic composition and biodegradation kinetics and the temperature influence on the biodegradation kinetics, for a mixture of sludge and bulking agent to be co-composted

Tremier, A.; Guardia, A de; Massiani, C.; Paul, E.; Martel, J.L.

A respirometric method for characterising the organic composition and biodegradation kinetics and the temperature influence on the biodegradation kinetics, for a mixture of sludge and bulking agent to be co-composted

2005

Tremier, A. | Guardia, A de | Massiani, C. | Paul, E. | Martel, J.L.

A respirometric method was set up to study kinetics of biological reactions involved in the treatment of organic wastes--sludge mixed with pine barks--by composting. Oxygen consumption rates of this type of mixture were monitored during 10-20 days, using a 10 l respirometric cell kept at constant temperature and moisture. Oxygen consumption kinetics were modelled and organic matter composition was characterised as biomass, easily-biodegradable, slowly-biodegradable and non-biodegradable organic matter. The influence of temperature on kinetics was tested. Results show that this respirometric method is a useful tool for the characterisation of solid organic matter biodegradability and for the modelling of the biological kinetics of the composting process.

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Mots clés AGROVOC

analysis analytical methods bark biodegradability biodegradation biodegradation biomass chemistry composting environmental monitoring fertilizers hydrolysis kinetics metabolism methods models organic matter organic wastes oxygen oxygen consumption pollution sewage sewage sludge soil soil fertility temperature temperature waste management wood

Informations bibliographiques

Publié dans

Bioresource technology

Volume 96 Numéro 2 Pagination 169 - 180 ISSN 0960-8524

D'autres materias

Theoretical; And manures; Organic chemicals; Reproducibility of results; Biosolids; Environmental; Respirometry; Pine bark; Analytical; Chemistry techniques

Langue

anglais

Note

Paper presented at the 10th international conference on recycling of agricultural, municipal and industrial residues in agriculture held may 14-18, 2002, strbske pleso, slovak republic.

Type

Journal Article; Text

Sur AGRIS depuis: 2024-02-27

Format: MODS

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