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Optimisation de l'échantillonnage des déchets ménagers. Application pratique de la méthode de tri sur sec

Abstract : Sampling household waste or municipal solid waste (MSW) is now standardised by the EN 14899. That is the reason we have to know the mass and the number of the increments to determine the sample to analyse, as well as the number of analyses according to the measurement accuracy. A probabilistic sampling was done, on MSW from the pit of a treatment plant, Saint-Malo, West of France. After drying, the samples were sieved at 100, 20 and 8 mm, and then the fractions upper than 8 mm were manually sorted in different categories. The low calorific value was calculated. The results show that the minimal mass of an increment would be about 18 kg to obtain normally distributions, according to the Shapiro Wilk test, on the main parameters of MSW : dry matter, organic matter, low calorific value and on the main categories : putrescibles, papers, cardboards, complexes, textiles, sanitary textiles, plastics, glasses, metals. The normality is not obtained for only one categorie : special waste. The standard deviations measured at Saint-Malo allow to establish a sampling plan for each kind of constituent. At the end some practical cases are described.
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https://hal.inrae.fr/hal-02590558
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Submitted on : Wednesday, April 28, 2021 - 6:48:38 AM
Last modification on : Friday, June 4, 2021 - 3:41:37 PM

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B. Morvan, J.P. Blanquart, S. Aboulam. Optimisation de l'échantillonnage des déchets ménagers. Application pratique de la méthode de tri sur sec. Déchets Sciences et Techniques, INSA de Lyon 2008, 49, pp.14-19. ⟨10.4267/dechets-sciences-techniques.1420⟩. ⟨hal-02590558⟩

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