{"id":1850,"date":"2026-07-17T02:36:28","date_gmt":"2026-07-17T06:36:28","guid":{"rendered":"https:\/\/slecotech.com\/?p=1850"},"modified":"2026-07-26T22:20:21","modified_gmt":"2026-07-27T02:20:21","slug":"high-quality-pet-flakes-bottle-to-bottle-recycling","status":"publish","type":"post","link":"https:\/\/slecotech.com\/fr\/high-quality-pet-flakes-bottle-to-bottle-recycling\/","title":{"rendered":"Comment produire des flocons de PET de haute qualit\u00e9 pour le recyclage \u00ab bouteille \u00e0 bouteille \u00bb"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; min_height=&#8221;445.4px&#8221; custom_margin=&#8221;-1px|||||&#8221; custom_padding=&#8221;||0px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;461.8px&#8221; custom_margin=&#8221;-15px|auto|2px|auto||&#8221; custom_padding=&#8221;2px|12px|5px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;241.9px&#8221; custom_margin=&#8221;6px||-7px|||&#8221; custom_padding=&#8221;0px||0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Les flocons de PET de haute qualit\u00e9 sont obtenus gr\u00e2ce \u00e0 une s\u00e9rie de proc\u00e9d\u00e9s m\u00e9caniques et de lavage qui permettent d'\u00e9liminer les \u00e9tiquettes, les bouchons, les m\u00e9taux, le PVC, les adh\u00e9sifs, les contaminants organiques et l'humidit\u00e9 des bouteilles en PET usag\u00e9es. Une ligne compl\u00e8te de lavage de bouteilles en PET comprend g\u00e9n\u00e9ralement le d\u00e9ballage, le tri, le d\u00e9collage des \u00e9tiquettes, le broyage, la s\u00e9paration par flottation, le lavage \u00e0 chaud, le lavage par friction, le rin\u00e7age, la d\u00e9shydratation et le s\u00e9chage. Pour les applications de recyclage \u00ab bouteille \u00e0 bouteille \u00bb, les flocons de PET doivent g\u00e9n\u00e9ralement pr\u00e9senter une teneur en PVC inf\u00e9rieure \u00e0 50 ppm, une teneur en humidit\u00e9 inf\u00e9rieure \u00e0 1% et une contamination par les \u00e9tiquettes inf\u00e9rieure \u00e0 100 ppm. Une configuration ad\u00e9quate des \u00e9quipements et un contr\u00f4le rigoureux des processus sont essentiels pour obtenir du PET recycl\u00e9 de qualit\u00e9 alimentaire ou de haute puret\u00e9.<\/p>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>Qu'est-ce que les flocons de PET de haute qualit\u00e9 ?<\/b><\/strong><\/h1>\n<p>Les flocons de PET de haute qualit\u00e9 sont des mat\u00e9riaux recycl\u00e9s propres, secs et dont la contamination est ma\u00eetris\u00e9e, adapt\u00e9s \u00e0 la transformation en nouveaux produits.<\/p>\n<p>Les flocons de PET sont obtenus \u00e0 partir du traitement de bouteilles en PET usag\u00e9es, via des syst\u00e8mes de broyage et de lavage. Leur qualit\u00e9 a une incidence directe sur les performances d'extrusion, la stabilit\u00e9 de l'indice de viscosit\u00e9 intrins\u00e8que (IV), la qualit\u00e9 des granul\u00e9s et les applications du produit fini.<\/p>\n<p>Parmi les applications courantes, on peut citer :<\/p>\n<ul>\n<li>Recyclage \u00ab bouteille \u00e0 bouteille \u00bb<\/li>\n<li>Production de fibres de polyester<\/li>\n<li>Fabrication de feuilles de PET<\/li>\n<li>Production de rPET de qualit\u00e9 alimentaire<\/li>\n<li>Mat\u00e9riaux de cerclage et d'emballage<\/li>\n<\/ul>\n<h2><strong><b>\u00a0<\/b><\/strong><\/h2>\n<h2><strong><b>Normes de qualit\u00e9 courantes pour les flocons de PET<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Param\u00e8tre<\/b><\/strong><\/td>\n<td><strong><b>Norme de haute qualit\u00e9<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>Teneur en PVC<\/td>\n<td>&lt; 50 ppm<\/td>\n<\/tr>\n<tr>\n<td>Teneur en humidit\u00e9<\/td>\n<td>&lt; 1%<\/td>\n<\/tr>\n<tr>\n<td>Contenu de l'\u00e9tiquette<\/td>\n<td>&lt; 100 ppm<\/td>\n<\/tr>\n<tr>\n<td>Teneur en m\u00e9taux<\/td>\n<td>&lt; 20 ppm<\/td>\n<\/tr>\n<tr>\n<td>Contamination par le PE\/PP<\/td>\n<td>&lt; 200 ppm<\/td>\n<\/tr>\n<tr>\n<td>Densit\u00e9 apparente<\/td>\n<td>0,25\u20130,40 g\/cm\u00b3<\/td>\n<\/tr>\n<tr>\n<td>Taille des flocons<\/td>\n<td>12 \u00e0 16 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><strong><b><\/b><\/strong><\/h1>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<h1><strong><b><\/b><\/strong><\/h1>\n<h1><strong><b>Comment fonctionne une ligne de lavage de bouteilles en PET ?<\/b><\/strong><\/h1>\n<p>Chaque \u00e9tape de traitement \u00e9limine un type sp\u00e9cifique de contamination afin d'am\u00e9liorer la puret\u00e9 des flocons de PET.<\/p>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_3,1_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;325.1px&#8221; custom_margin=&#8221;-8px|auto|-13px|auto||&#8221; custom_padding=&#8221;79px||22px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;104.7%&#8221; min_height=&#8221;315.7px&#8221; custom_margin=&#8221;-92px|-283px|-20px|||&#8221; custom_padding=&#8221;0px|0px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><strong><b>\u00c9tape 1 : D\u00e9ballage des balles<\/b><\/strong><\/h3>\n<p>Les balles de bouteilles en PET compress\u00e9es sont d\u00e9compress\u00e9es afin d'assurer une alimentation r\u00e9guli\u00e8re en mati\u00e8re premi\u00e8re.<\/p>\n<p>Mat\u00e9riel :<\/p>\n<ul>\n<li>D\u00e9balleuse de balles<\/li>\n<li>Convoyeur d'alimentation<\/li>\n<\/ul>\n<p>Objectif :<\/p>\n<ul>\n<li>Trier les bouteilles compact\u00e9es<\/li>\n<li>Am\u00e9liorer l'efficacit\u00e9 du tri<\/li>\n<\/ul>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;94.7%&#8221; min_height=&#8221;315.7px&#8221; custom_margin=&#8221;-92px|-283px|-20px|||&#8221; custom_padding=&#8221;0px|0px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><strong><b>\u00c9tape 2 : Pr\u00e9-tri<\/b><\/strong><\/h3>\n<p>Les corps \u00e9trangers sont \u00e9limin\u00e9s avant le broyage.<\/p>\n<p>Contaminants courants :<\/p>\n<ul>\n<li>Bouteilles en PVC<\/li>\n<li>M\u00e9taux<\/li>\n<li>Verre<\/li>\n<li>Papier<\/li>\n<li>Plastiques autres que le PET<\/li>\n<\/ul>\n<p>Mat\u00e9riel :<\/p>\n<ul>\n<li>Plateforme de tri<\/li>\n<li>Syst\u00e8me de tri optique<\/li>\n<li>D\u00e9tecteur de m\u00e9taux<\/li>\n<\/ul>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;94.7%&#8221; min_height=&#8221;315.7px&#8221; custom_margin=&#8221;-92px|-283px|-20px|||&#8221; custom_padding=&#8221;0px|0px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><strong><b>\u00c9tape 3 : Retrait des \u00e9tiquettes<\/b><\/strong><\/h3>\n<p>Les \u00e9tiquettes constituent l'une des principales sources de contamination dans le recyclage du PET.<\/p>\n<p>Une machine \u00e0 retirer les \u00e9tiquettes \u00e0 haut rendement permet d'obtenir :<\/p>\n<ul>\n<li>Taux d'\u00e9limination du marqueur 90\u201398%<\/li>\n<\/ul>\n<p>Avantages :<\/p>\n<ul>\n<li>R\u00e9duction de la contamination par la colle<\/li>\n<li>Charge de linge r\u00e9duite<\/li>\n<li>Une plus grande puret\u00e9 des paillettes<\/li>\n<\/ul>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_3,1_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;325.1px&#8221; custom_margin=&#8221;-8px|auto|-13px|auto||&#8221; custom_padding=&#8221;106px||37px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;104.7%&#8221; min_height=&#8221;315.7px&#8221; custom_margin=&#8221;-92px|-283px|-20px|||&#8221; custom_padding=&#8221;0px|0px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><strong><b>\u00c9tape 4 : Broyage<\/b><\/strong><\/h3>\n<p>Les bouteilles en PET sont broy\u00e9es en flocons de taille uniforme.<\/p>\n<p>Taille typique du fichier de sortie :<\/p>\n<ul>\n<li>12 \u00e0 16 mm<\/li>\n<\/ul>\n<p>Mat\u00e9riel :<\/p>\n<ul>\n<li>Broyeur humide<\/li>\n<li>Broyeur de PET<\/li>\n<\/ul>\n<p>Avantages :<\/p>\n<ul>\n<li>Augmentation de la surface<\/li>\n<li>Performances de lavage am\u00e9lior\u00e9es<\/li>\n<\/ul>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;95.8%&#8221; min_height=&#8221;315.7px&#8221; custom_margin=&#8221;-92px|-283px|-20px|||&#8221; custom_padding=&#8221;0px|0px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><strong><b>\u00c9tape 5 : S\u00e9paration des \u00e9l\u00e9ments flottants et des \u00e9l\u00e9ments qui coulent<\/b><\/strong><\/h3>\n<p>La s\u00e9paration par densit\u00e9 permet d'\u00e9liminer les impuret\u00e9s de polyol\u00e9fines.<\/p>\n<p>Comportement des mat\u00e9riaux dans l'eau :<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Mat\u00e9riau<\/b><\/strong><\/td>\n<td><strong><b>Densit\u00e9<\/b><\/strong><\/td>\n<td><strong><b>R\u00e9sultat<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>PP<\/td>\n<td>0,90 g\/cm\u00b3<\/td>\n<td>Flotteur<\/td>\n<\/tr>\n<tr>\n<td>\u00c9ducation physique<\/td>\n<td>0,92\u20130,96 g\/cm\u00b3<\/td>\n<td>Flotteur<\/td>\n<\/tr>\n<tr>\n<td>PET<\/td>\n<td>1,34\u20131,39 g\/cm\u00b3<\/td>\n<td>\u00c9vier<\/td>\n<\/tr>\n<tr>\n<td>PVC<\/td>\n<td>1,30\u20131,50 g\/cm\u00b3<\/td>\n<td>\u00c9vier<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Le syst\u00e8me trie : les flocons de PET, les bouchons de bouteilles, les anneaux et les \u00e9tiquettes r\u00e9siduelles<\/p>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;94.7%&#8221; min_height=&#8221;315.7px&#8221; custom_margin=&#8221;-92px|-283px|-20px|||&#8221; custom_padding=&#8221;0px|0px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><strong><b>\u00c9tape 6 : Lavage \u00e0 chaud<\/b><\/strong><\/h3>\n<p>Le lavage \u00e0 chaud \u00e9limine les adh\u00e9sifs, les huiles et les contaminants organiques.<\/p>\n<p>Param\u00e8tres de fonctionnement types :<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Param\u00e8tre<\/b><\/strong><\/td>\n<td><strong><b>Gamme<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>Temp\u00e9rature de l'eau<\/td>\n<td>80\u201395 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Temps de r\u00e9tention<\/td>\n<td>15 \u00e0 30 min<\/td>\n<\/tr>\n<tr>\n<td>Soude caustique<\/td>\n<td>1\u20132%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Avantages :<\/p>\n<ul>\n<li>\u00c9liminer les r\u00e9sidus de colle<\/li>\n<li>\u00c9liminer la contamination par l'huile<\/li>\n<li>Am\u00e9liorer la propret\u00e9 des flocons<\/li>\n<\/ul>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_3,1_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;325.1px&#8221; custom_margin=&#8221;13px|auto|-13px|auto||&#8221; custom_padding=&#8221;106px||5px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;104.7%&#8221; min_height=&#8221;315.7px&#8221; custom_margin=&#8221;-92px|-283px|-20px|||&#8221; custom_padding=&#8221;0px|0px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><strong><b>\u00c9tape 7 : Lavage par friction<\/b><\/strong><\/h3>\n<p>Le frottement m\u00e9canique \u00e0 grande vitesse \u00e9limine :<\/p>\n<ul>\n<li>Poussi\u00e8re fine<\/li>\n<li>R\u00e9sidus d'\u00e9tiquette<\/li>\n<li>Contaminants organiques<\/li>\n<\/ul>\n<p>Vitesse typique du rotor :<\/p>\n<ul>\n<li>800 \u00e0 1 200 tr\/min<\/li>\n<\/ul>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;94.7%&#8221; min_height=&#8221;315.7px&#8221; custom_margin=&#8221;-92px|-283px|-20px|||&#8221; custom_padding=&#8221;0px|0px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><strong><b>\u00c9tape 8 : Rin\u00e7age et neutralisation<\/b><\/strong><\/h3>\n<p>L'eau propre \u00e9limine les r\u00e9sidus chimiques issus du processus de lavage.<\/p>\n<p>Objectifs :<\/p>\n<ul>\n<li>R\u00e9duire l'alcalinit\u00e9<\/li>\n<li>Am\u00e9liorer la qualit\u00e9 des flocons<\/li>\n<li>R\u00e9pondre aux exigences en mati\u00e8re de traitement en aval<\/li>\n<\/ul>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;94.7%&#8221; min_height=&#8221;315.7px&#8221; custom_margin=&#8221;-92px|-283px|-20px|||&#8221; custom_padding=&#8221;0px|0px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><strong><b>\u00c9tape 9 : D\u00e9shydratation et s\u00e9chage<\/b><\/strong><\/h3>\n<p>La r\u00e9duction finale de l'humidit\u00e9 est essentielle.<\/p>\n<p>Mat\u00e9riel :<\/p>\n<ul>\n<li>Machine de d\u00e9shydratation centrifuge<\/li>\n<li>Syst\u00e8me de s\u00e9chage thermique<\/li>\n<\/ul>\n<p>Taux d'humidit\u00e9 cible :<\/p>\n<ul>\n<li>En dessous de 1%<\/li>\n<li>Les syst\u00e8mes destin\u00e9s au secteur agroalimentaire affichent souvent des valeurs inf\u00e9rieures \u00e0 0,51 TP3T.<\/li>\n<\/ul>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;461.8px&#8221; custom_margin=&#8221;55px|auto|2px|auto||&#8221; custom_padding=&#8221;0px|12px|5px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;161.9px&#8221; custom_margin=&#8221;6px||-17px|||&#8221; custom_padding=&#8221;0px||0px|||&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h1><strong><b>Facteurs cl\u00e9s influant sur la qualit\u00e9 des flocons de PET<\/b><\/strong><\/h1>\n<p>Le contr\u00f4le de la contamination est plus important que la seule intensit\u00e9 du lavage.<\/p>\n<h3><strong><b>Principaux risques li\u00e9s \u00e0 la qualit\u00e9<\/b><\/strong><\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Contaminant<\/b><\/strong><\/td>\n<td><strong><b>Impact<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>PVC<\/td>\n<td>D\u00e9gradation du PET<\/td>\n<\/tr>\n<tr>\n<td>M\u00e9taux<\/td>\n<td>Dommages mat\u00e9riels<\/td>\n<\/tr>\n<tr>\n<td>\u00c9tiquettes<\/td>\n<td>Taches noires<\/td>\n<\/tr>\n<tr>\n<td>Adh\u00e9sifs<\/td>\n<td>Formation d'un gel<\/td>\n<\/tr>\n<tr>\n<td>Humidit\u00e9<\/td>\n<td>Hydrolyse<\/td>\n<\/tr>\n<tr>\n<td>Produits bio<\/td>\n<td>Probl\u00e8mes d'odeurs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>Probl\u00e8mes courants et solutions<\/b><\/strong><\/h1>\n<h2><strong><b>Probl\u00e8me n\u00b0 1 : contenu excessif des \u00e9tiquettes<\/b><\/strong><\/h2>\n<h3><strong><b>Cause<\/b><\/strong><\/h3>\n<ul>\n<li>D\u00e9s\u00e9tiquetage inefficace<\/li>\n<\/ul>\n<h3><strong><b>Solution<\/b><\/strong><\/h3>\n<ul>\n<li>Am\u00e9lioration de la conception du rotor du d\u00e9\u00e9tiqueteur<\/li>\n<li>Am\u00e9liorer l'efficacit\u00e9 du retrait des \u00e9tiquettes<\/li>\n<\/ul>\n<h2><strong><b>\u00a0<\/b><\/strong><\/h2>\n<h2><strong><b>Probl\u00e8me n\u00b0 2 : forte teneur en humidit\u00e9<\/b><\/strong><\/h2>\n<h3><strong><b>Cause<\/b><\/strong><\/h3>\n<ul>\n<li>Capacit\u00e9 de s\u00e9chage insuffisante<\/li>\n<\/ul>\n<h3><strong><b>Solution<\/b><\/strong><\/h3>\n<ul>\n<li>Ajouter une \u00e9tape de s\u00e9chage thermique<\/li>\n<li>Optimiser la vitesse de d\u00e9shydratation<\/li>\n<\/ul>\n<h2><strong><b>\u00a0<\/b><\/strong><\/h2>\n<h2><strong><b>Probl\u00e8me n\u00b0 3 : contamination par le PVC<\/b><\/strong><\/h2>\n<h3><strong><b>Cause<\/b><\/strong><\/h3>\n<ul>\n<li>Tri manuel insuffisant<\/li>\n<\/ul>\n<h3><strong><b>Solution<\/b><\/strong><\/h3>\n<ul>\n<li>Installer un \u00e9quipement de tri optique<\/li>\n<li>Am\u00e9liorer les proc\u00e9dures d'inspection<\/li>\n<\/ul>\n<h2><strong><b>\u00a0<\/b><\/strong><\/h2>\n<h2><strong><b>Probl\u00e8me n\u00b0 4 : faible puret\u00e9 des paillettes<\/b><\/strong><\/h2>\n<h3><strong><b>Cause<\/b><\/strong><\/h3>\n<ul>\n<li>Proc\u00e9d\u00e9 de lavage inad\u00e9quat<\/li>\n<\/ul>\n<h3><strong><b>Solution<\/b><\/strong><\/h3>\n<ul>\n<li>Augmenter le temps de s\u00e9jour lors du lavage \u00e0 chaud<\/li>\n<li>Optimiser les param\u00e8tres de lavage par friction<\/li>\n<\/ul>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>D\u00e9roulement du processus de recyclage \u00ab bouteille \u00e0 bouteille \u00bb du PET<\/b><\/strong><\/h1>\n<p><span>Balles de bouteilles en PET  \u27a1\u00a0 <\/span><span>Bris de balles  \u27a1\u00a0 <\/span><span>Tri  \u27a1\u00a0 <\/span><span>Retrait de l'\u00e9tiquette  \u27a1\u00a0 <\/span><span>Broyage  \u27a1\u00a0 <\/span><span>S\u00e9paration des \u00e9l\u00e9ments flottants et des \u00e9l\u00e9ments qui coulent  \u27a1\u00a0 <\/span><span>Lavage \u00e0 chaud  \u27a1\u00a0 <\/span><span>Lavage par friction  \u27a1\u00a0 <\/span><span>Rin\u00e7age  \u27a1\u00a0 <\/span><span>Ass\u00e8chement  \u27a1\u00a0 <\/span><span>S\u00e9chage thermique  \u27a1\u00a0 <\/span><span>Flocons de PET de haute qualit\u00e9<\/span><\/p>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>FAQ<\/b><\/strong><\/h1>\n<h2><strong><b>Quel est le taux d'humidit\u00e9 requis pour les flocons de PET ?<\/b><\/strong><\/h2>\n<p>La plupart des entreprises de recyclage du PET visent un taux d'humidit\u00e9 inf\u00e9rieur \u00e0 1%. Les applications destin\u00e9es au secteur alimentaire exigent souvent un taux inf\u00e9rieur \u00e0 0,5%.<\/p>\n<h3><strong><b>Les bouchons des bouteilles en PET peuvent-ils \u00eatre recycl\u00e9s en m\u00eame temps que les bouteilles en PET ?<\/b><\/strong><\/h3>\n<p>Oui, mais ils doivent \u00eatre s\u00e9par\u00e9s lors du tri par flottation-d\u00e9cantation, car le PE et le PP ont une densit\u00e9 inf\u00e9rieure \u00e0 celle du PET.<\/p>\n<h3><strong><b>Pourquoi la contamination par le PVC est-elle dangereuse ?<\/b><\/strong><\/h3>\n<p>M\u00eame de faibles quantit\u00e9s de PVC peuvent entra\u00eener la d\u00e9gradation du PET lors de l'extrusion et r\u00e9duire consid\u00e9rablement la qualit\u00e9 du produit.<\/p>\n<h3><strong><b>Quelle est la taille id\u00e9ale des flocons de PET ?<\/b><\/strong><\/h3>\n<p>La plupart des lignes de lavage du PET produisent des flocons d'une taille comprise entre 12 mm et 16 mm afin d'assurer des performances optimales en mati\u00e8re de lavage et de retraitement.<\/p>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b><a href=\"https:\/\/slecotech.com\/fr\/\"><span style=\"text-decoration: underline;\"><em>Streamline Eco Tech<\/em><\/span><\/a> Solution<\/b><\/strong><\/h1>\n<p>Streamline Eco Tech est sp\u00e9cialis\u00e9e dans les \u00e9quipements de recyclage des bouteilles en PET et dans les solutions compl\u00e8tes de lignes de lavage du PET. Nos syst\u00e8mes int\u00e8grent des d\u00e9balleuses, des d\u00e9colleuses d\u2019\u00e9tiquettes, des plateformes de tri, des broyeurs, des cuves de s\u00e9paration par flottation, des unit\u00e9s de lavage \u00e0 chaud, des machines de d\u00e9shydratation et des syst\u00e8mes de s\u00e9chage afin de produire des flocons de PET de haute puret\u00e9 destin\u00e9s au recyclage \u00ab bouteille \u00e0 bouteille \u00bb, \u00e0 la production de fibres et \u00e0 d\u2019autres applications de l\u2019\u00e9conomie circulaire. Les configurations des \u00e9quipements peuvent \u00eatre personnalis\u00e9es en fonction de l'\u00e9tat des mati\u00e8res, des niveaux de contamination et des capacit\u00e9s de production, allant de 500 kg\/h \u00e0 6 000 kg\/h.<\/p>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n<div class=\"sle-seo-enhance\" style=\"max-width:1280px;margin:32px auto;padding:0 28px;color:#0b1220;\">\n<!--SLE-SEO-POST--><\/p>\n<h2>Foire aux questions<\/h2>\n<h3>Qu'est-ce qu'une ligne de lavage PET et \u00e0 quoi sert-elle ?<\/h3>\n<p>Une ligne de lavage du PET transforme les bouteilles usag\u00e9es en flocons lav\u00e9s \u00e0 chaud, pr\u00eats \u00e0 \u00eatre transform\u00e9s en granul\u00e9s. Les \u00e9tapes comprennent g\u00e9n\u00e9ralement le d\u00e9collage des \u00e9tiquettes, le lavage \u00e0 froid et \u00e0 chaud, le r\u00e9curage par friction, le rin\u00e7age, la s\u00e9paration et le s\u00e9chage.<\/p>\n<h3>Lavage \u00e0 chaud ou \u00e0 froid : lequel choisir ?<\/h3>\n<p>Le lavage \u00e0 chaud \u00e0 la soude caustique permet d'\u00e9liminer plus efficacement les colles, les huiles et les r\u00e9sidus ; il est donc privil\u00e9gi\u00e9 pour le PET destin\u00e9 \u00e0 un usage alimentaire ou de grande valeur. Le lavage \u00e0 froid consomme moins d'\u00e9nergie et convient mieux aux contaminations l\u00e9g\u00e8res. Le choix appropri\u00e9 d\u00e9pend de vos mati\u00e8res premi\u00e8res et de votre march\u00e9 cible.<\/p>\n<h3>Quels contaminants un syst\u00e8me de lavage doit-il \u00e9liminer ?<\/h3>\n<p>\u00c9tiquettes et colle, r\u00e9sidus alimentaires et d'huile, bouchons et bagues, ainsi que corps \u00e9trangers en plastique ou en m\u00e9tal. Les bonnes lignes de production combinent lavage, s\u00e9paration par densit\u00e9 et d\u00e9tection des m\u00e9taux afin de respecter les sp\u00e9cifications de puret\u00e9 des paillettes.<\/p>\n<h2>\u00c9quipements associ\u00e9s<\/h2>\n<ul>\n<li><a href=\"https:\/\/slecotech.com\/fr\/products-streamline-eco-tech\/\">Tous les \u00e9quipements SLECOTECH<\/a><\/li>\n<li><a href=\"https:\/\/slecotech.com\/fr\/product\/plastic-crusher-c-series\/\">Broyeur de plastique (s\u00e9rie C)<\/a><\/li>\n<li><a href=\"https:\/\/slecotech.com\/fr\/contact-streamline-eco-tech\/\">Demande de devis<\/a><\/li>\n<\/ul>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is a PET washing line and what does it do?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A PET washing line cleans post-consumer bottles into hot-washed flakes ready for pelletising. Stages typically include label removal, cold and hot washing, friction scrubbing, rinsing, separation and drying.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Hot washing vs cold washing - which do I need?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Hot washing with caustic better removes glues, oils and residues and is preferred for food-grade or high-value PET. Cold washing uses less energy and suits lighter contamination. The right choice depends on your input and end market.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What contaminants must a washing line remove?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Labels and glue, food and oil residues, caps and rings, and foreign plastics or metals. Good lines combine washing, density separation and metal removal to hit flake purity specs.\"\n            }\n        }\n    ]\n}<\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>Pour obtenir des flocons de PET de haute qualit\u00e9, il est n\u00e9cessaire de mettre en \u0153uvre des processus efficaces de tri, de d\u00e9collage des \u00e9tiquettes, de lavage, d'\u00e9limination des impuret\u00e9s et de s\u00e9chage. Ce guide pr\u00e9sente les principales technologies et les param\u00e8tres cl\u00e9s du recyclage du PET \u00ab de bouteille \u00e0 bouteille \u00bb.<\/p>","protected":false},"author":2,"featured_media":1872,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<!-- wp:paragraph -->\n<p><strong><strong>1. Overview of Single-Shaft Shredders<\/strong><\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>The single-shaft shredder is an industrial crushing device designed with a single rotating shaft and blades. Driven by a motor, it cuts, tears, and grinds materials. Compact in structure and highly adaptable, it is widely used to process plastics, wood, rubber, thin metal sheets, and more, particularly in small-to-medium-scale waste recycling scenarios.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":112,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"http:\/\/49.51.38.20\/wp-content\/uploads\/2025\/01\/Single-shaft-shredder-1.png\" alt=\"\" class=\"wp-image-112\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>2. Core Structure &amp; Working Principle<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Key Components<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Blade Shaft System<\/strong>: Multiple sets of carbide blades mounted on a single shaft, driven by hydraulics or a motor for high-speed rotation;<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Screen Mesh<\/strong>: Replaceable mesh at the bottom controls output particle size;<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Enclosed Chamber<\/strong>: Sealed structure reduces noise and dust emissions<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p><strong>Working Process<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Materials are fed into the hopper, where blades decompose waste into uniform fragments through a combination of shearing and tearing. Particles meeting the mesh size are discharged automatically, while oversized fragments undergo repeated crushing.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Applications &amp; Advantages<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Typical Applications<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Plastic Recycling<\/strong>: Shredding PET bottles, films, and injection molding scraps to improve recycled pellet production efficiency;<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Wood Processing<\/strong>: Crushing furniture waste and branches to generate raw materials for biomass fuel;<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>E-Waste Recycling<\/strong>: Decomposing circuit boards and cables to separate metals from plastics.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p><strong>Key Advantages<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Low-Speed, High-Torque<\/strong>: Handles hard or tough materials while minimizing jamming risks;<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Customizable<\/strong>: Blade shapes and screen mesh sizes can be adjusted for specific needs;<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Easy Maintenance<\/strong>: Modular design enables rapid replacement of worn parts.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->","_et_gb_content_width":"1080","footnotes":""},"categories":[31,30],"tags":[],"class_list":["post-1850","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","category-recycling-production-lines-recycling-systems"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Produce High-Quality PET Flakes for Bottle-to-Bottle Recycling<\/title>\r\n<meta name=\"description\" content=\"Learn how PET bottle washing lines produce high-quality PET flakes through sorting, delabeling, washing, separation, and drying processes.\" \/>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/slecotech.com\/fr\/high-quality-pet-flakes-bottle-to-bottle-recycling\/\" \/>\r\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Produce High-Quality PET Flakes for Bottle-to-Bottle Recycling\" \/>\r\n<meta property=\"og:description\" content=\"Learn how PET bottle washing lines produce high-quality PET flakes through sorting, delabeling, washing, separation, and drying processes.\" \/>\r\n<meta property=\"og:url\" content=\"https:\/\/slecotech.com\/fr\/high-quality-pet-flakes-bottle-to-bottle-recycling\/\" \/>\r\n<meta property=\"og:site_name\" content=\"Industrial shredders &amp; 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