{"id":8718,"date":"2026-02-07T09:50:00","date_gmt":"2026-02-07T01:50:00","guid":{"rendered":"https:\/\/www.recycle-plant.com\/?post_type=info&#038;p=8718"},"modified":"2026-02-05T14:39:25","modified_gmt":"2026-02-05T06:39:25","slug":"how-the-sink-float-separation-tank-works","status":"publish","type":"info","link":"https:\/\/www.recycle-plant.com\/vi\/how-the-sink-float-separation-tank-works.html","title":{"rendered":"Khoa h\u1ecdc v\u1ec1 m\u1eadt \u0111\u1ed9: C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ec3 ph\u00e2n t\u00e1ch ch\u00ecm n\u1ed5i"},"content":{"rendered":"<p class=\"translation-block\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u00e1ch m\u1ea3nh PET kh\u1ecfi n\u1eafp chai (PE) v\u00e0 v\u00f2ng (PP)? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf <a href=\"https:\/\/www.recycle-plant.com\/vi\/washing-tank-5.html\">b\u1ec3 ph\u00e2n t\u00e1ch ch\u00ecm n\u1ed5i<\/a>, m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh trong vi\u1ec7c \u00e1p d\u1ee5ng v\u1eadt l\u00fd c\u01a1 b\u1ea3n v\u00e0o c\u00e1c th\u00e1ch th\u1ee9c c\u00f4ng nghi\u1ec7p.<\/p>    <p class=\"translation-block\">Nguy\u00ean t\u1eafc l\u00e0 <strong>ph\u00e2n t\u00e1ch d\u1ef1a tr\u00ean m\u1eadt \u0111\u1ed9<\/strong>. PET c\u00f3 m\u1eadt \u0111\u1ed9 kho\u1ea3ng 1.38g\/cm\u00b3, khi\u1ebfn n\u00f3 ch\u00ecm trong n\u01b0\u1edbc. Ng\u01b0\u1ee3c l\u1ea1i, PP v\u00e0 PE c\u00f3 m\u1eadt \u0111\u1ed9 nh\u1ecf h\u01a1n 1.0g\/cm\u00b3, cho ph\u00e9p ch\u00fang n\u1ed5i l\u00ean.<\/p>    <p class=\"translation-block\">Trong d\u00e2y chuy\u1ec1n r\u1eeda chai PET c\u00f4ng su\u1ea5t l\u1edbn c\u1ee7a ch\u00fang t\u00f4i, c\u00e1c m\u1ea3nh v\u1ee5n \u0111\u01b0\u1ee3c khu\u1ea5y trong b\u1ec3. Nh\u1eefng \u201cch\u00ecm\u201d (PET tinh khi\u1ebft) \u0111\u01b0\u1ee3c thu gom b\u1eb1ng m\u1ed9t b\u0103ng t\u1ea3i v\u00edt \u1edf ph\u00eda d\u01b0\u1edbi, trong khi nh\u1eefng \u201cn\u1ed5i\u201d (nh\u00e3n m\u00e1c v\u00e0 n\u1eafp) \u0111\u01b0\u1ee3c v\u1edbt kh\u1ecfi b\u1ec1 m\u1eb7t. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 tinh khi\u1ebft cao nh\u1ea5t c\u1ee7a  m\u1ea3nh PET , ch\u00fang t\u00f4i khuy\u00ean d\u00f9ng h\u1ec7 th\u1ed1ng nhi\u1ec1u giai \u0111o\u1ea1n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng ngay c\u1ea3 nh\u1eefng m\u1ea3nh v\u1ee5n nh\u1ecf nh\u1ea5t c\u1ee7a ch\u1ea5t g\u00e2y nhi\u1ec5u n\u1ed5i c\u0169ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf, mang l\u1ea1i cho b\u1ea1n s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t nh\u1ea5t c\u1ee7a qu\u1ed1c t\u1ebf.<\/p>    <figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"540\" src=\"https:\/\/www.recycle-plant.com\/wp-content\/uploads\/2026\/02\/Sink-Float-Separation-Tank-Works.webp\" alt=\"B\u1ec3 ph\u00e2n t\u00e1ch ch\u00ecm n\u1ed5i\" class=\"wp-image-8719\" srcset=\"https:\/\/www.recycle-plant.com\/wp-content\/uploads\/2026\/02\/Sink-Float-Separation-Tank-Works.webp 720w, https:\/\/www.recycle-plant.com\/wp-content\/uploads\/2026\/02\/Sink-Float-Separation-Tank-Works-360x270.webp 360w, https:\/\/www.recycle-plant.com\/wp-content\/uploads\/2026\/02\/Sink-Float-Separation-Tank-Works-180x135.webp 180w, https:\/\/www.recycle-plant.com\/wp-content\/uploads\/2026\/02\/Sink-Float-Separation-Tank-Works-16x12.webp 16w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><figcaption class=\"wp-element-caption\">B\u1ec3 ph\u00e2n t\u00e1ch ch\u00ecm n\u1ed5i<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>How do you separate PET flakes from bottle caps (PE) and rings (PP) automatically? The answer lies in the Sink-float separation tank, a masterclass in applying basic physics to industrial challenges. The principle is density separation. PET has a density of ~1.38g\/cm\u00b3, causing it to sink in water. Conversely, PP and PE have densities less [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8719,"parent":0,"template":"","tags":[134],"info-type":[3],"class_list":["post-8718","info","type-info","status-publish","has-post-thumbnail","hentry","tag-pet","info-type-knowledge-base"],"taxonomy_info":{"post_tag":[{"value":134,"label":"PET"}],"info-type":[{"value":3,"label":"Knowledge Base"}]},"featured_image_src_large":["https:\/\/www.recycle-plant.com\/wp-content\/uploads\/2026\/02\/Sink-Float-Separation-Tank-Works.webp",720,540,false],"author_info":{"display_name":"Ella","author_link":"https:\/\/www.recycle-plant.com\/vi\/author\/admin\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/info\/8718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/info"}],"about":[{"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/types\/info"}],"author":[{"embeddable":true,"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/media\/8719"}],"wp:attachment":[{"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/media?parent=8718"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/tags?post=8718"},{"taxonomy":"info-type","embeddable":true,"href":"https:\/\/www.recycle-plant.com\/vi\/wp-json\/wp\/v2\/info-type?post=8718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}