{"id":2515,"date":"2026-03-16T10:45:55","date_gmt":"2026-03-16T09:45:55","guid":{"rendered":"https:\/\/tecaliman.swebwp.oci.eu\/mesure-de-la-duree-des-traitements-notion-de-distribution-des-temps-de-sejour\/"},"modified":"2026-03-16T10:55:38","modified_gmt":"2026-03-16T09:55:38","slug":"mesure-de-la-duree-des-traitements-notion-de-distribution-des-temps-de-sejour","status":"publish","type":"post","link":"https:\/\/tecaliman.swebwp.oci.eu\/en\/documentation\/mesure-de-la-duree-des-traitements-notion-de-distribution-des-temps-de-sejour\/","title":{"rendered":"Mesure de la dur\u00e9e des traitements &#8211; Notion de distribution des temps de s\u00e9jour"},"content":{"rendered":"<p>Diff\u00e9rentes \u00e9tudes conduites sur le traitement thermique des aliments pour animaux, montrent qu&#8217;il est possible de d\u00e9truire les Salmonelles pr\u00e9sentes dans ces produits en appliquant un bar\u00e8me temps\/temp\u00e9rature (humidit\u00e9).<\/p>\n<p>Dans l&#8217;industrie, les proc\u00e9d\u00e9s les plus utilis\u00e9s pour r\u00e9aliser ces traitements sont des proc\u00e9d\u00e9s en continu. Leur efficacit\u00e9 d\u00e9pend essentiellement de la ma\u00eetrise des facteurs temps et temp\u00e9rature ; le facteur temps \u00e9tant le plus difficile \u00e0 mesurer et \u00e0 ma\u00eetriser, en raison du ph\u00e9nom\u00e8ne de dispersion des temps de s\u00e9jour.<\/p>\n<p>En effet, lorsqu&#8217;un produit est trait\u00e9 dans un syst\u00e8me en continu (ou r\u00e9acteur-m\u00e9langeur), la vitesse de passage des particules dans le syst\u00e8me n&#8217;est pas homog\u00e8ne et cela a pour cons\u00e9quence une h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9 de la dur\u00e9e du traitement, ph\u00e9nom\u00e8ne qui constitue la dispersion des temps de s\u00e9jour ou DTS.<\/p>\n<p>Dans un proc\u00e9d\u00e9 de destruction thermique de micro-organismes, ce ph\u00e9nom\u00e8ne rev\u00eat une grande importance, puisque les particules pr\u00e9sentant les temps de s\u00e9jour les plus courts peuvent quitter l&#8217;installation sans \u00eatre d\u00e9contamin\u00e9es.<\/p>\n<p>Ainsi, pour qualifier la dur\u00e9e du traitement dans un proc\u00e9d\u00e9 en continu, il faut imp\u00e9rativement conna\u00eetre la distribution des temps de s\u00e9jour.<\/p>\n<p>En mesurant les temps de s\u00e9jour des particules dans le proc\u00e9d\u00e9 et en regroupant ces donn\u00e9es par classe, il est alors possible de :<\/p>\n<p>\u2022 repr\u00e9senter graphiquement la distribution des classes de temps de s\u00e9jour.<\/p>\n<p>\u2022 d\u00e9crire la population sur la base de leur temps de s\u00e9jour \u00e0 l\u2019aide de param\u00e8tres.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Diff\u00e9rentes \u00e9tudes conduites sur le traitement thermique des aliments pour animaux, montrent qu&#8217;il est possible de d\u00e9truire les Salmonelles pr\u00e9sentes dans ces produits en appliquant un bar\u00e8me temps\/temp\u00e9rature (humidit\u00e9). Dans l&#8217;industrie, les proc\u00e9d\u00e9s les plus utilis\u00e9s pour r\u00e9aliser ces traitements sont des proc\u00e9d\u00e9s en continu. Leur efficacit\u00e9 d\u00e9pend essentiellement de la ma\u00eetrise des facteurs temps [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81],"tags":[114,116,122,115,117],"thematique":[119],"domaine":[],"visibilite":[78],"class_list":["post-2515","post","type-post","status-publish","format-standard","hentry","category-documentation","tag-distribution","tag-duree","tag-principe","tag-temps-de-sejour","tag-traitement","thematique-securite-sanitaire","visibilite-subscribers"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mesure de la dur\u00e9e des traitements - Notion de distribution des temps de s\u00e9jour | Tecaliman<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mesure de la dur\u00e9e des traitements - Notion de distribution des temps de s\u00e9jour | Tecaliman\" \/>\n<meta property=\"og:description\" content=\"Diff\u00e9rentes \u00e9tudes conduites sur le traitement thermique des aliments pour animaux, montrent qu&#8217;il est possible de d\u00e9truire les Salmonelles pr\u00e9sentes dans ces produits en appliquant un bar\u00e8me temps\/temp\u00e9rature (humidit\u00e9). 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