2002
DOI: 10.2166/wst.2002.0632
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Modelling and estimation of physical parameters in a sludge drying system

Abstract: In this paper is presented the study of a Sludge Drying System used to kill pathogenic organisms living in sludge. The system is modeled and the physical parameters thermal capacity, thermal resistance and thermal time constant are estimated using conventional estimation methods.

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Cited by 4 publications
(2 citation statements)
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“…According to Liang et al [32], 50 % of moisture content is considered as the minimal requirement for rapid increase in microbial activity in sludge. It was confirmed that using solar drying plays an interesting role for the bacterial reduction of the wastewater sludge [1,33,34]. However, the solar drying of Sludges I and II in cold period showed that the total and fecal coliforms were not significantly affected during prolonged hours of low solar radiation, low temperature and high air velocity.…”
Section: Pathogenic Bacteria Removalmentioning
confidence: 92%
“…According to Liang et al [32], 50 % of moisture content is considered as the minimal requirement for rapid increase in microbial activity in sludge. It was confirmed that using solar drying plays an interesting role for the bacterial reduction of the wastewater sludge [1,33,34]. However, the solar drying of Sludges I and II in cold period showed that the total and fecal coliforms were not significantly affected during prolonged hours of low solar radiation, low temperature and high air velocity.…”
Section: Pathogenic Bacteria Removalmentioning
confidence: 92%
“…L'introduction de la microtomographie à rayons X a permis de suivre le comportement du produit durant le processus de séchage, de déterminer les profils d'humidité à l'intérieur du produit [8] et de suivre les différents changements de texture qui peuvent apparaître, comme le retrait, permettant ainsi le calcul de la porosité et la surface d'échange [9]. Vu le traitement récent de ce sujet, les résultats présentées sont des résultats expérimentaux et peu de travaux ont abordé la modélisation et la simulation du comportement des boues durant le séchage [10][11][12][13].…”
Section: Introductionunclassified