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

Abstract : 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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https://hal.inrae.fr/hal-02583616
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Submitted on : Thursday, May 14, 2020 - 10:31:25 PM
Last modification on : Monday, April 4, 2022 - 3:24:25 PM

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  • HAL Id : hal-02583616, version 1
  • IRSTEA : PUB00015300

Citation

A. Trémier, A. de Guardia, C. Massiani, E. Paul, J.L. Martel. A respirometric method for characterising the organic composition and biodegradation kinetics and the temperature influence on the biodegradation kinetics, or a mixture of sludge and bulking agent to be co-composted. Bioresource Technology, Elsevier, 2005, 96 (2, spécial RAMIRAN'02), pp.169-180. ⟨hal-02583616⟩

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