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Etude de l'evolution des caracteristiques physico-chimiques et de la stabilite biologique des ordures menageres au cours du compostage

Abstract : An analytical study was made on samples of urban compost and ground urban waste from 14 treatment plants and landfilling sites in France. Samples were taken at different stages of waste processing and various physical and chemical parameters determined. Following characterization of the organic matter fractions, respirometric experiments were carried out. Fresh urban wastes showed great variation according to their origin and the analysed parameters were then greatly modified during composting or in sanitary landfills : decrease in organic carbon content and C/N ratio, increased pH and reduction of available phosphorus. Polysaccharide content was reduced by composting while humic-like substances increased. The oxygen consumption of composts alone and the carbon dioxide evolved from soil-compost mixtures depended of the origin of the waste and especially on the age of the compost, serving as an indicator of the degree of stabilization of the wastes.
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  • HAL Id : hal-02725037, version 1
  • PRODINRA : 110373

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Jean-Louis Morel, Armand Guckert, Bernard Nicolardot, D. Benistant, Gérard Catroux, et al.. Etude de l'evolution des caracteristiques physico-chimiques et de la stabilite biologique des ordures menageres au cours du compostage. Agronomie, EDP Sciences, 1986, 6 (8), pp.693-701. ⟨hal-02725037⟩

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