{"id":2090,"date":"2026-02-28T17:39:34","date_gmt":"2026-02-28T09:39:34","guid":{"rendered":"https:\/\/plastic-machines.org\/?post_type=info&#038;p=2090"},"modified":"2026-02-28T17:39:56","modified_gmt":"2026-02-28T09:39:56","slug":"what-additives-are-used-in-pet-hot-washing","status":"publish","type":"info","link":"https:\/\/plastic-machines.org\/pt\/info\/what-additives-are-used-in-pet-hot-washing\/","title":{"rendered":"Que Aditivos S\u00e3o Utilizados na Lavagem a Quente de PET?"},"content":{"rendered":"<p class=\"translation-block\">\u00c1gua e calor s\u00e3o apenas parte da equa\u00e7\u00e3o. Para alcan\u00e7ar uma limpeza profunda, necessita dos corretos  qu\u00edmicos de lavagem de PET . Num ciclo de lavagem a quente profissional, dois componentes principais s\u00e3o utilizados para transformar pl\u00e1stico sujo em mat\u00e9ria-prima de alto valor.<\/p>    <ol class=\"wp-block-list\"> <li><strong>Caustic Soda (Sodium Hydroxide &#8211; NaOH):<\/strong>\u00a0Usually added at a concentration of 1% to 2%. Its primary role is to saponify oils and dissolve the adhesives used for labels. It effectively &#8220;strips&#8221; the contaminants from the PET surface.<\/li>    <li><strong>Detergente\/Surfactante Especializado:<\/strong>\u00a0Enquanto a soda c\u00e1ustica faz o trabalho pesado, um surfactante ajuda a suspender a sujidade e \u00f3leos soltos na \u00e1gua, impedindo que se voltem a fixar \u00e0s part\u00edculas.<\/li> <\/ol>    <p class=\"translation-block\">A dosagem adequada destes <strong>aditivos de limpeza<\/strong> \u00e9 fundamental. Demasiado pouco, e as part\u00edculas permanecem oleosas; demasiado, e aumenta os custos de tratamento de \u00e1guas residuais. Se estiver interessado no <a href=\"https:\/\/plastic-machines.org\/pt\/product\/pet-bottle-recycling-line\/\">processo de reciclagem de garrafas PET<\/a>, n\u00e3o hesite em contactar-nos, o nosso engenheiro garantir\u00e1 que utilize exatamente o que precisa para m\u00e1xima efici\u00eancia.<\/p>    <p><\/p>","protected":false},"excerpt":{"rendered":"<p>Water and heat are only part of the equation. To achieve deep cleaning, you need the right PET washing chemicals. In a professional hot wash cycle, two main components are used to transform dirty plastic into high-value raw material. Proper dosing of these cleaning additives is critical. Too little, and the flakes remain oily; too [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"template":"","tags":[35],"info-type":[33,11],"class_list":["post-2090","info","type-info","status-publish","hentry","tag-pet","info-type-blog","info-type-news"],"taxonomy_info":{"post_tag":[{"value":35,"label":"PET"}],"info-type":[{"value":33,"label":"Blog"},{"value":11,"label":"News"}]},"featured_image_src_large":false,"author_info":{"display_name":"Ella","author_link":"https:\/\/plastic-machines.org\/pt\/author\/admin\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/plastic-machines.org\/pt\/wp-json\/wp\/v2\/info\/2090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plastic-machines.org\/pt\/wp-json\/wp\/v2\/info"}],"about":[{"href":"https:\/\/plastic-machines.org\/pt\/wp-json\/wp\/v2\/types\/info"}],"author":[{"embeddable":true,"href":"https:\/\/plastic-machines.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/plastic-machines.org\/pt\/wp-json\/wp\/v2\/media?parent=2090"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plastic-machines.org\/pt\/wp-json\/wp\/v2\/tags?post=2090"},{"taxonomy":"info-type","embeddable":true,"href":"https:\/\/plastic-machines.org\/pt\/wp-json\/wp\/v2\/info-type?post=2090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}