{"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\/pt\/high-quality-pet-flakes-bottle-to-bottle-recycling\/","title":{"rendered":"Como produzir flocos de PET de alta qualidade para a reciclagem \u00abgarrafa a garrafa\u00bb"},"content":{"rendered":"<p>[et_pb_section fb_built=\u201d1\u2033 _builder_version=\u201d4.16\u2033 min_height=\u201d445,4 px\u201d custom_margin=\u201d-1 px|||||\u201d custom_padding=\u201d||0 px|||\u201d global_colors_info=\u201d{}\u201d][et_pb_row _builder_version=\u201d4.16\u2033 background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d min_height=\u201d461,8px\u201d custom_margin=\u201d-15px|auto|2px|auto||\u201d custom_padding=\u201d2px|12px|5px|||\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d4_4\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d min_height=\u201d241.9px\u201d custom_margin=\u201d6px||-7px|||\u201d custom_padding=\u201d0px||0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<p>Os flocos de PET de alta qualidade s\u00e3o produzidos atrav\u00e9s de uma s\u00e9rie de processos mec\u00e2nicos e de lavagem que removem r\u00f3tulos, tampas, metais, PVC, adesivos, contaminantes org\u00e2nicos e humidade das garrafas de PET p\u00f3s-consumo. Uma linha completa de lavagem de garrafas de PET inclui normalmente a desagrega\u00e7\u00e3o de fardos, a triagem, a remo\u00e7\u00e3o de r\u00f3tulos, a tritura\u00e7\u00e3o, a separa\u00e7\u00e3o por flutua\u00e7\u00e3o, a lavagem a quente, a lavagem por fric\u00e7\u00e3o, o enxaguamento, a desidrata\u00e7\u00e3o e a secagem. Para aplica\u00e7\u00f5es de reciclagem \u00abgarrafa a garrafa\u00bb, os flocos de PET requerem geralmente um teor de PVC inferior a 50 ppm, humidade inferior a 1% e contamina\u00e7\u00e3o por r\u00f3tulos inferior a 100 ppm. A configura\u00e7\u00e3o adequada do equipamento e o controlo do processo s\u00e3o essenciais para se obter PET reciclado de qualidade alimentar ou de alta pureza.<\/p>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>O que s\u00e3o flocos de PET de alta qualidade?<\/b><\/strong><\/h1>\n<p>Os flocos de PET de alta qualidade s\u00e3o materiais de PET reciclado, limpos, secos e com contamina\u00e7\u00e3o controlada, adequados para serem transformados em novos produtos.<\/p>\n<p>Os flocos de PET s\u00e3o produzidos atrav\u00e9s do processamento de garrafas de PET usadas, por meio de sistemas de tritura\u00e7\u00e3o e lavagem. A sua qualidade afeta diretamente o desempenho da extrus\u00e3o, a estabilidade do \u00edndice de viscosidade (IV), a qualidade dos gr\u00e2nulos e as aplica\u00e7\u00f5es do produto final.<\/p>\n<p>As aplica\u00e7\u00f5es t\u00edpicas incluem:<\/p>\n<ul>\n<li>Reciclagem de garrafa para garrafa<\/li>\n<li>Produ\u00e7\u00e3o de fibra de poli\u00e9ster<\/li>\n<li>Fabrico de chapas de PET<\/li>\n<li>Produ\u00e7\u00e3o de rPET de qualidade alimentar<\/li>\n<li>Materiais de cintagem e embalagem<\/li>\n<\/ul>\n<h2><strong><b>\u00a0<\/b><\/strong><\/h2>\n<h2><strong><b>Normas de qualidade t\u00edpicas para flocos de PET<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Par\u00e2metro<\/b><\/strong><\/td>\n<td><strong><b>Padr\u00e3o de alta qualidade<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>Teor de PVC<\/td>\n<td>&lt; 50 ppm<\/td>\n<\/tr>\n<tr>\n<td>Teor de humidade<\/td>\n<td>&lt; 1%<\/td>\n<\/tr>\n<tr>\n<td>Conte\u00fado da etiqueta<\/td>\n<td>&lt; 100 ppm<\/td>\n<\/tr>\n<tr>\n<td>Teor de metal<\/td>\n<td>&lt; 20 ppm<\/td>\n<\/tr>\n<tr>\n<td>Contamina\u00e7\u00e3o por PE\/PP<\/td>\n<td>&lt; 200 ppm<\/td>\n<\/tr>\n<tr>\n<td>Densidade aparente<\/td>\n<td>0,25\u20130,40 g\/cm\u00b3<\/td>\n<\/tr>\n<tr>\n<td>Tamanho dos flocos<\/td>\n<td>12\u201316 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>Como funciona uma linha de lavagem de garrafas PET?<\/b><\/strong><\/h1>\n<p>Cada fase do processo remove um tipo espec\u00edfico de contamina\u00e7\u00e3o, de modo a melhorar a pureza das escamas 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=\u201d1_3,1_3,1_3\u2033 _builder_version=\u201d4.16\u2033 background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d min_height=\u201d325,1px\u201d custom_margin=\u201d-8px|auto|-13px|auto||\u201d custom_padding=\u201d79px||22px|||\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d1_3\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d width=\u201d104.7%\u201d min_height=\u201d315.7px\u201d custom_margin=\u201d-92px|-283px|-20px|||\u201d custom_padding=\u201d0px|0px|0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<h3><strong><b>Passo 1: Desfazer os fardos<\/b><\/strong><\/h3>\n<p>Os fardos de garrafas de PET comprimidas s\u00e3o desfeitos para garantir uma alimenta\u00e7\u00e3o consistente do material.<\/p>\n<p>Equipamento:<\/p>\n<ul>\n<li>Desfazedor de fardos<\/li>\n<li>Transportador de alimenta\u00e7\u00e3o<\/li>\n<\/ul>\n<p>Objetivo:<\/p>\n<ul>\n<li>Separar as garrafas compactadas<\/li>\n<li>Melhorar a efici\u00eancia da triagem<\/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=\u201d1_3\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d width=\u201d94.7%\u201d min_height=\u201d315.7px\u201d custom_margin=\u201d-92px|-283px|-20px|||\u201d custom_padding=\u201d0px|0px|0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<h3><strong><b>Passo 2: Pr\u00e9-triagem<\/b><\/strong><\/h3>\n<p>Os materiais estranhos s\u00e3o removidos antes da redu\u00e7\u00e3o de tamanho.<\/p>\n<p>Contaminantes comuns:<\/p>\n<ul>\n<li>Garrafas de PVC<\/li>\n<li>Metais<\/li>\n<li>Vidro<\/li>\n<li>Papel<\/li>\n<li>Pl\u00e1sticos que n\u00e3o s\u00e3o de PET<\/li>\n<\/ul>\n<p>Equipamento:<\/p>\n<ul>\n<li>Plataforma de triagem<\/li>\n<li>Sistema de triagem \u00f3tica<\/li>\n<li>Detetor de metais<\/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=\u201d1_3\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d width=\u201d94.7%\u201d min_height=\u201d315.7px\u201d custom_margin=\u201d-92px|-283px|-20px|||\u201d custom_padding=\u201d0px|0px|0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<h3><strong><b>Passo 3: Remo\u00e7\u00e3o das etiquetas<\/b><\/strong><\/h3>\n<p>As etiquetas s\u00e3o uma das principais fontes de contamina\u00e7\u00e3o na reciclagem do PET.<\/p>\n<p>Uma m\u00e1quina de remo\u00e7\u00e3o de etiquetas de alta efici\u00eancia pode alcan\u00e7ar:<\/p>\n<ul>\n<li>Taxa de remo\u00e7\u00e3o do marcador 90\u201398%<\/li>\n<\/ul>\n<p>Vantagens:<\/p>\n<ul>\n<li>Menor contamina\u00e7\u00e3o por cola<\/li>\n<li>Carga de lavagem reduzida<\/li>\n<li>Maior pureza dos flocos<\/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=\u201d1_3,1_3,1_3\u2033 _builder_version=\u201d4.16\u2033 background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d min_height=\u201d325,1px\u201d custom_margin=\u201d-8px|auto|-13px|auto||\u201d custom_padding=\u201d106px||37px|||\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d1_3\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d width=\u201d104.7%\u201d min_height=\u201d315.7px\u201d custom_margin=\u201d-92px|-283px|-20px|||\u201d custom_padding=\u201d0px|0px|0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<h3><strong><b>Passo 4: Tritura\u00e7\u00e3o<\/b><\/strong><\/h3>\n<p>As garrafas de PET s\u00e3o transformadas em flocos uniformes.<\/p>\n<p>Tamanho t\u00edpico da sa\u00edda:<\/p>\n<ul>\n<li>12\u201316 mm<\/li>\n<\/ul>\n<p>Equipamento:<\/p>\n<ul>\n<li>Triturador a h\u00famido<\/li>\n<li>Triturador de PET<\/li>\n<\/ul>\n<p>Vantagens:<\/p>\n<ul>\n<li>Aumento da \u00e1rea de superf\u00edcie<\/li>\n<li>Melhor desempenho na lavagem<\/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=\u201d1_3\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d width=\u201d95.8%\u201d min_height=\u201d315.7px\u201d custom_margin=\u201d-92px|-283px|-20px|||\u201d custom_padding=\u201d0px|0px|0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<h3><strong><b>Passo 5: Separa\u00e7\u00e3o dos elementos flutuantes dos que afundam<\/b><\/strong><\/h3>\n<p>A separa\u00e7\u00e3o por densidade elimina a contamina\u00e7\u00e3o por poliolefinas.<\/p>\n<p>Comportamento dos materiais na \u00e1gua:<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Material<\/b><\/strong><\/td>\n<td><strong><b>Densidade<\/b><\/strong><\/td>\n<td><strong><b>Resultado<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>PP<\/td>\n<td>0,90 g\/cm\u00b3<\/td>\n<td>Flutuar<\/td>\n<\/tr>\n<tr>\n<td>Educa\u00e7\u00e3o F\u00edsica<\/td>\n<td>0,92\u20130,96 g\/cm\u00b3<\/td>\n<td>Flutuar<\/td>\n<\/tr>\n<tr>\n<td>PET<\/td>\n<td>1,34\u20131,39 g\/cm\u00b3<\/td>\n<td>Lavat\u00f3rio<\/td>\n<\/tr>\n<tr>\n<td>PVC<\/td>\n<td>1,30\u20131,50 g\/cm\u00b3<\/td>\n<td>Lavat\u00f3rio<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>O sistema separa: flocos de PET, tampas de garrafas, an\u00e9is e etiquetas residuais<\/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=\u201d1_3\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d width=\u201d94.7%\u201d min_height=\u201d315.7px\u201d custom_margin=\u201d-92px|-283px|-20px|||\u201d custom_padding=\u201d0px|0px|0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<h3><strong><b>Passo 6: Lavagem a quente<\/b><\/strong><\/h3>\n<p>A lavagem a quente remove adesivos, \u00f3leos e contaminantes org\u00e2nicos.<\/p>\n<p>Par\u00e2metros de funcionamento t\u00edpicos:<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Par\u00e2metro<\/b><\/strong><\/td>\n<td><strong><b>Gama<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>Temperatura da \u00e1gua<\/td>\n<td>80\u201395 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Tempo de reten\u00e7\u00e3o<\/td>\n<td>15\u201330 min<\/td>\n<\/tr>\n<tr>\n<td>Soda c\u00e1ustica<\/td>\n<td>1\u20132%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vantagens:<\/p>\n<ul>\n<li>Remover res\u00edduos de cola<\/li>\n<li>Eliminar a contamina\u00e7\u00e3o por \u00f3leo<\/li>\n<li>Melhorar a limpeza dos flocos<\/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=\u201d1_3,1_3,1_3\u2033 _builder_version=\u201d4.16\u2033 background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d min_height=\u201d325,1px\u201d custom_margin=\u201d13px|auto|-13px|auto||\u201d custom_padding=\u201d106px||5px|||\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d1_3\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d width=\u201d104.7%\u201d min_height=\u201d315.7px\u201d custom_margin=\u201d-92px|-283px|-20px|||\u201d custom_padding=\u201d0px|0px|0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<h3><strong><b>Passo 7: Lavagem por fric\u00e7\u00e3o<\/b><\/strong><\/h3>\n<p>O atrito mec\u00e2nico a alta velocidade elimina:<\/p>\n<ul>\n<li>Sujeira fina<\/li>\n<li>Res\u00edduos de etiquetas<\/li>\n<li>Contaminantes org\u00e2nicos<\/li>\n<\/ul>\n<p>Velocidade t\u00edpica do rotor:<\/p>\n<ul>\n<li>800\u20131200 rpm<\/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=\u201d1_3\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d width=\u201d94.7%\u201d min_height=\u201d315.7px\u201d custom_margin=\u201d-92px|-283px|-20px|||\u201d custom_padding=\u201d0px|0px|0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<h3><strong><b>Passo 8: Enxaguamento e neutraliza\u00e7\u00e3o<\/b><\/strong><\/h3>\n<p>A \u00e1gua limpa remove os res\u00edduos qu\u00edmicos do processo de lavagem.<\/p>\n<p>Objetivos:<\/p>\n<ul>\n<li>Reduzir a alcalinidade<\/li>\n<li>Melhorar a qualidade das escamas<\/li>\n<li>Cumprir os requisitos de processamento a jusante<\/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=\u201d1_3\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d width=\u201d94.7%\u201d min_height=\u201d315.7px\u201d custom_margin=\u201d-92px|-283px|-20px|||\u201d custom_padding=\u201d0px|0px|0px|||\u201d global_colors_info=\u201d{}\u201d]<\/p>\n<h3><strong><b>Passo 9: Desidrata\u00e7\u00e3o e secagem<\/b><\/strong><\/h3>\n<p>A redu\u00e7\u00e3o final da humidade \u00e9 fundamental.<\/p>\n<p>Equipamento:<\/p>\n<ul>\n<li>M\u00e1quina centr\u00edfuga de desidrata\u00e7\u00e3o<\/li>\n<li>Sistema de secagem t\u00e9rmica<\/li>\n<\/ul>\n<p>Humidade alvo:<\/p>\n<ul>\n<li>Inferior a 1%<\/li>\n<li>Os sistemas para uso alimentar atingem frequentemente valores inferiores a 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=\u201d4.16\u2033 background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d min_height=\u201d461,8px\u201d custom_margin=\u201d55px|auto|2px|auto||\u201d custom_padding=\u201d0px|12px|5px|||\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d4_4\u2033 _builder_version=\u201d4.16\u2033 custom_padding=\u201d|||\u201d global_colors_info=\u201d{}\u201d custom_padding__hover=\u201d|||\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 text_font=\u201dPoppins|500|||||||\u201d text_font_size=\u201d17px\u201d text_line_height=\u201d1.9em\u201d background_size=\u201dinitial\u201d background_position=\u201dtop_left\u201d background_repeat=\u201drepeat\u201d min_height=\u201d161.9px\u201d custom_margin=\u201d6px||-17px|||\u201d custom_padding=\u201d0px||0px|||\u201d hover_enabled=\u201d0\u2033 global_colors_info=\u201d{}\u201d sticky_enabled=\u201d0\u2033]<\/p>\n<h1><strong><b>Fatores-chave que afetam a qualidade das lascas de PET<\/b><\/strong><\/h1>\n<p>O controlo da contamina\u00e7\u00e3o \u00e9 mais importante do que a intensidade da lavagem por si s\u00f3.<\/p>\n<h3><strong><b>Principais riscos relacionados com a qualidade<\/b><\/strong><\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Contaminante<\/b><\/strong><\/td>\n<td><strong><b>Impacto<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>PVC<\/td>\n<td>Degrada\u00e7\u00e3o do PET<\/td>\n<\/tr>\n<tr>\n<td>Metais<\/td>\n<td>Danos no equipamento<\/td>\n<\/tr>\n<tr>\n<td>Etiquetas<\/td>\n<td>Manchas pretas<\/td>\n<\/tr>\n<tr>\n<td>Adesivos<\/td>\n<td>Forma\u00e7\u00e3o de gel<\/td>\n<\/tr>\n<tr>\n<td>Humidade<\/td>\n<td>Hidr\u00f3lise<\/td>\n<\/tr>\n<tr>\n<td>Produtos biol\u00f3gicos<\/td>\n<td>Problemas de odores<\/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>Problemas comuns e solu\u00e7\u00f5es<\/b><\/strong><\/h1>\n<h2><strong><b>Problema 1: Conte\u00fado excessivo nas etiquetas<\/b><\/strong><\/h2>\n<h3><strong><b>Causa<\/b><\/strong><\/h3>\n<ul>\n<li>Remo\u00e7\u00e3o ineficiente de etiquetas<\/li>\n<\/ul>\n<h3><strong><b>Solu\u00e7\u00e3o<\/b><\/strong><\/h3>\n<ul>\n<li>Atualiza\u00e7\u00e3o do design do rotor do dispositivo de remo\u00e7\u00e3o de etiquetas<\/li>\n<li>Aumentar a efici\u00eancia na remo\u00e7\u00e3o de etiquetas<\/li>\n<\/ul>\n<h2><strong><b>\u00a0<\/b><\/strong><\/h2>\n<h2><strong><b>Problema 2: Elevado teor de humidade<\/b><\/strong><\/h2>\n<h3><strong><b>Causa<\/b><\/strong><\/h3>\n<ul>\n<li>Capacidade de secagem insuficiente<\/li>\n<\/ul>\n<h3><strong><b>Solu\u00e7\u00e3o<\/b><\/strong><\/h3>\n<ul>\n<li>Adicionar fase de secagem t\u00e9rmica<\/li>\n<li>Otimizar a velocidade de desaguamento<\/li>\n<\/ul>\n<h2><strong><b>\u00a0<\/b><\/strong><\/h2>\n<h2><strong><b>Problema 3: Contamina\u00e7\u00e3o por PVC<\/b><\/strong><\/h2>\n<h3><strong><b>Causa<\/b><\/strong><\/h3>\n<ul>\n<li>Classifica\u00e7\u00e3o manual deficiente<\/li>\n<\/ul>\n<h3><strong><b>Solu\u00e7\u00e3o<\/b><\/strong><\/h3>\n<ul>\n<li>Instalar equipamento de triagem \u00f3tica<\/li>\n<li>Melhorar os procedimentos de inspe\u00e7\u00e3o<\/li>\n<\/ul>\n<h2><strong><b>\u00a0<\/b><\/strong><\/h2>\n<h2><strong><b>Problema 4: Baixa pureza das escamas<\/b><\/strong><\/h2>\n<h3><strong><b>Causa<\/b><\/strong><\/h3>\n<ul>\n<li>Processo de lavagem inadequado<\/li>\n<\/ul>\n<h3><strong><b>Solu\u00e7\u00e3o<\/b><\/strong><\/h3>\n<ul>\n<li>Aumentar o tempo de reten\u00e7\u00e3o na lavagem a quente<\/li>\n<li>Otimizar os par\u00e2metros de lavagem por fric\u00e7\u00e3o<\/li>\n<\/ul>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<h1><strong><b>Fluxo do processo de reciclagem \u00abgarrafa a garrafa\u00bb de PET<\/b><\/strong><\/h1>\n<p><span>Fardos de garrafas de PET  \u27a1\u00a0 <\/span><span>Quebra de fardos  \u27a1\u00a0 <\/span><span>Ordena\u00e7\u00e3o  \u27a1\u00a0 <\/span><span>Remover a etiqueta  \u27a1\u00a0 <\/span><span>Esmagamento  \u27a1\u00a0 <\/span><span>Separa\u00e7\u00e3o de materiais flutuantes e afund\u00e1veis  \u27a1\u00a0 <\/span><span>Lavagem a quente  \u27a1\u00a0 <\/span><span>Lavagem por fric\u00e7\u00e3o  \u27a1\u00a0 <\/span><span>Enxaguar  \u27a1\u00a0 <\/span><span>Desaguamento  \u27a1\u00a0 <\/span><span>Secagem t\u00e9rmica  \u27a1\u00a0 <\/span><span>Flocos de PET de alta qualidade<\/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>Qual \u00e9 o n\u00edvel de humidade exigido para as escamas de PET?<\/b><\/strong><\/h2>\n<p>A maioria das empresas de reciclagem de PET procura manter a humidade abaixo de 1%. As aplica\u00e7\u00f5es destinadas ao setor alimentar exigem frequentemente valores inferiores a 0,5%.<\/p>\n<h3><strong><b>As tampas das garrafas de PET podem ser recicladas juntamente com as garrafas de PET?<\/b><\/strong><\/h3>\n<p>Sim, mas t\u00eam de ser separados durante o processo de separa\u00e7\u00e3o por flutua\u00e7\u00e3o e afundamento, uma vez que o PE e o PP t\u00eam densidades inferiores \u00e0s do PET.<\/p>\n<h3><strong><b>Por que raz\u00e3o a contamina\u00e7\u00e3o por PVC \u00e9 perigosa?<\/b><\/strong><\/h3>\n<p>Mesmo pequenas quantidades de PVC podem causar a degrada\u00e7\u00e3o do PET durante a extrus\u00e3o e reduzir significativamente a qualidade do produto.<\/p>\n<h3><strong><b>Qual \u00e9 o tamanho ideal das lascas de PET?<\/b><\/strong><\/h3>\n<p>A maioria das linhas de lavagem de PET produz flocos com dimens\u00f5es entre 12 mm e 16 mm, para um desempenho ideal na lavagem e no reprocessamento.<\/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\/pt\/\"><span style=\"text-decoration: underline;\"><em>Streamline Eco Tech<\/em><\/span><\/a> Solu\u00e7\u00e3o<\/b><\/strong><\/h1>\n<p>A Streamline Eco Tech \u00e9 especializada em equipamentos de reciclagem de garrafas de PET e em solu\u00e7\u00f5es completas para linhas de lavagem de PET. Os nossos sistemas integram desfeitores de fardos, removedores de etiquetas, plataformas de triagem, trituradores, tanques de separa\u00e7\u00e3o por flutua\u00e7\u00e3o e afundamento, unidades de lavagem a quente, m\u00e1quinas de desaguamento e sistemas de secagem, para produzir flocos de PET de elevada pureza destinados \u00e0 reciclagem \u00abgarrafa a garrafa\u00bb, \u00e0 produ\u00e7\u00e3o de fibras e a outras aplica\u00e7\u00f5es da economia circular. As configura\u00e7\u00f5es dos equipamentos podem ser personalizadas de acordo com as condi\u00e7\u00f5es do material, os n\u00edveis de contamina\u00e7\u00e3o e as capacidades de produ\u00e7\u00e3o, que variam entre 500 kg\/h e 6000 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>Perguntas frequentes<\/h2>\n<h3>O que \u00e9 uma linha de lavagem de PET e para que serve?<\/h3>\n<p>Uma linha de lavagem de PET transforma garrafas p\u00f3s-consumo em flocos lavados a quente, prontos para a peletiza\u00e7\u00e3o. As etapas incluem normalmente a remo\u00e7\u00e3o de r\u00f3tulos, a lavagem a frio e a quente, a esfregagem por fric\u00e7\u00e3o, o enxaguamento, a separa\u00e7\u00e3o e a secagem.<\/p>\n<h3>Lavagem a quente vs. lavagem a frio \u2013 qual devo escolher?<\/h3>\n<p>A lavagem a quente com soda c\u00e1ustica remove melhor colas, \u00f3leos e res\u00edduos, sendo a op\u00e7\u00e3o preferida para PET de qualidade alimentar ou de elevado valor. A lavagem a frio consome menos energia e \u00e9 adequada para contamina\u00e7\u00f5es mais leves. A escolha certa depende da mat\u00e9ria-prima utilizada e do mercado de destino.<\/p>\n<h3>Que contaminantes deve um sistema de lavagem eliminar?<\/h3>\n<p>Etiquetas e cola, res\u00edduos alimentares e de \u00f3leo, tampas e an\u00e9is, bem como pl\u00e1sticos ou metais estranhos. As boas linhas de produ\u00e7\u00e3o combinam lavagem, separa\u00e7\u00e3o por densidade e remo\u00e7\u00e3o de metais para cumprir as especifica\u00e7\u00f5es de pureza das escamas.<\/p>\n<h2>Equipamento relacionado<\/h2>\n<ul>\n<li><a href=\"https:\/\/slecotech.com\/pt\/products-streamline-eco-tech\/\">Todo o equipamento da SLECOTECH<\/a><\/li>\n<li><a href=\"https:\/\/slecotech.com\/pt\/product\/plastic-crusher-c-series\/\">Triturador de pl\u00e1stico (S\u00e9rie C)<\/a><\/li>\n<li><a href=\"https:\/\/slecotech.com\/pt\/contact-streamline-eco-tech\/\">Pedir um or\u00e7amento<\/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>Os flocos de PET de alta qualidade exigem processos eficientes de triagem, remo\u00e7\u00e3o de etiquetas, lavagem, elimina\u00e7\u00e3o de contamina\u00e7\u00f5es e secagem. Este guia explica as principais tecnologias e par\u00e2metros subjacentes \u00e0 reciclagem de PET \u00abgarrafa a garrafa\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\/pt\/high-quality-pet-flakes-bottle-to-bottle-recycling\/\" \/>\r\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\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\/pt\/high-quality-pet-flakes-bottle-to-bottle-recycling\/\" \/>\r\n<meta property=\"og:site_name\" content=\"Industrial shredders &amp; 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