{"id":9378,"date":"2026-04-29T03:25:10","date_gmt":"2026-04-29T03:25:10","guid":{"rendered":"https:\/\/tz-machinery.com\/?p=9378"},"modified":"2026-04-29T08:16:25","modified_gmt":"2026-04-29T08:16:25","slug":"kiem-soat-do-am-ep-dun-thuc-an-cho-vat-nuoi-thuy-phan","status":"publish","type":"post","link":"https:\/\/tz-machinery.com\/vi\/moisture-control-pet-extrusion-hydrolysis\/","title":{"rendered":"Ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m trong qu\u00e1 tr\u00ecnh \u0111\u00f9n nh\u1ef1a PET: C\u00e1ch TZS-85PET ng\u0103n ng\u1eeba ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n"},"content":{"rendered":"<h2 style=\"font-size:22px;color:#000;font-weight:bold\">Khoa h\u1ecdc v\u1ec1 qu\u00e1 tr\u00ecnh th\u1ee7y ph\u00e2n: T\u1ea1i sao PET l\u1ea1i nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 \u1ea9m<\/h2>\n<p>PET c\u00f3 t\u00ednh h\u00fat \u1ea9m, ngh\u0129a l\u00e0 n\u00f3 t\u1ef1 nhi\u00ean h\u1ea5p th\u1ee5 n\u01b0\u1edbc t\u1eeb kh\u00f4ng kh\u00ed. N\u1ebfu nh\u1ef1a PET ho\u1eb7c m\u1ea3nh v\u1ee5n PET \u0111\u01b0\u1ee3c nung ch\u1ea3y trong khi v\u1eabn c\u00f2n ch\u1ee9a \u0111\u1ed9 \u1ea9m, m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc g\u1ecdi l\u00e0 <strong>ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n<\/strong> x\u1ea3y ra.<\/p>\n<p>N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, \u1edf nhi\u1ec7t \u0111\u1ed9 cao, c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc t\u1ea5n c\u00f4ng c\u00e1c chu\u1ed7i polymer, l\u00e0m ch\u00fang b\u1ecb \u0111\u1ee9t th\u00e0nh c\u00e1c \u0111o\u1ea1n ng\u1eafn h\u01a1n. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn:<\/p>\n<ul>\n<li><strong>S\u1ef1 suy gi\u1ea3m \u0111\u1ed9 nh\u1edbt n\u1ed9i t\u1ea1i (IV):<\/strong> V\u1eadt li\u1ec7u tr\u1edf n\u00ean \u201clo\u00e3ng\u201d v\u00e0 m\u1ea5t \u0111i \u0111\u1ed9 b\u1ec1n.<\/li>\n<li><strong>Khuy\u1ebft t\u1eadt v\u1ec1 th\u1ec3 ch\u1ea5t:<\/strong> Tr\u00ean t\u1edd gi\u1ea5y xu\u1ea5t hi\u1ec7n c\u00e1c bong b\u00f3ng, v\u1ec7t v\u00e0 nh\u1eefng \u201cv\u1ea1ch b\u1ea1c\u201d.<\/li>\n<li><strong>\u0110\u1ed9 gi\u00f2n:<\/strong> S\u1ea3n ph\u1ea9m th\u00e0nh ph\u1ea9m s\u1ebd d\u1ec5 b\u1ecb n\u1ee9t trong qu\u00e1 tr\u00ecnh \u00e9p nhi\u1ec7t.<\/li>\n<\/ul>\n<h2 style=\"font-size:22px;color:#000;font-weight:bold\">C\u00e1ch d\u00e2y chuy\u1ec1n \u0111\u00f9n t\u1ea5m PET x\u1eed l\u00fd \u0111\u1ed9 \u1ea9m<\/h2>\n<p>C\u00e1c d\u00e2y chuy\u1ec1n \u0111\u00f9n hi\u1ec7n \u0111\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 TZS-85PET, s\u1eed d\u1ee5ng hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 ch\u1ed1ng \u1ea9m: S\u1ea5y s\u01a1 b\u1ed9 ho\u1eb7c kh\u1eed kh\u00ed ch\u00e2n kh\u00f4ng cao.<\/p>\n<h3 style=\"font-size:16px;color:#000;font-weight:bold\">1. Ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng: S\u1ea5y b\u1eb1ng ch\u1ea5t h\u00fat \u1ea9m v\u00e0 k\u1ebft tinh<\/h3>\n<p>Tr\u01b0\u1edbc khi nh\u1ef1a \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y \u0111\u00f9n, n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o H\u1ec7 th\u1ed1ng k\u1ebft tinh v\u00e0 s\u1ea5y kh\u00f4.<\/p>\n<ul>\n<li><strong>Qu\u00e1 tr\u00ecnh k\u1ebft tinh:<\/strong> C\u00e1c m\u1ea3nh PET v\u00f4 \u0111\u1ecbnh h\u00ecnh \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng v\u00e0 khu\u1ea5y \u0111\u1ec1u \u0111\u1ec3 ng\u0103n ch\u00fang v\u00f3n c\u1ee5c l\u1ea1i v\u1edbi nhau khi m\u1ec1m ra.<\/li>\n<li><strong>S\u1ea5y b\u1eb1ng ch\u1ea5t h\u00fat \u1ea9m:<\/strong> Kh\u00f4ng kh\u00ed n\u00f3ng v\u00e0 kh\u00f4 (v\u1edbi \u0111i\u1ec3m s\u01b0\u01a1ng d\u01b0\u1edbi -40\u00b0C) \u0111\u01b0\u1ee3c l\u01b0u th\u00f4ng qua l\u1edbp nh\u1ef1a trong v\u00e0i gi\u1edd cho \u0111\u1ebfn khi \u0111\u1ed9 \u1ea9m gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 50 ppm (0,005%).<\/li>\n<\/ul>\n<h3 style=\"font-size:16px;color:#000;font-weight:bold\">2. Ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i: Kh\u1eed kh\u00ed ch\u00e2n kh\u00f4ng cao (C\u00f4ng ngh\u1ec7 tr\u1ee5c v\u00edt \u0111\u00f4i)<\/h3>\n<p>\u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c c\u00e1c k\u1ef9 s\u01b0 hi\u1ec7n \u0111\u1ea1i \u01b0a chu\u1ed9ng. Thay v\u00ec ph\u1ea3i s\u1ea5y kh\u00f4 nguy\u00ean li\u1ec7u trong nhi\u1ec1u gi\u1edd tr\u01b0\u1edbc khi \u0111\u00f9n, m\u00e1y \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i song song TZS-85PET x\u1eed l\u00fd \u0111\u1ed9 \u1ea9m ngay trong qu\u00e1 tr\u00ecnh nung ch\u1ea3y.<\/p>\n<ul>\n<li><strong>C\u1ed5ng th\u00f4ng h\u01a1i:<\/strong> Th\u00e2n m\u00e1y \u0111\u00f9n c\u00f3 nhi\u1ec1u ph\u1ea7n \u201cth\u00f4ng h\u01a1i\u201d.<\/li>\n<li><strong>B\u01a1m ch\u00e2n kh\u00f4ng cao:<\/strong> Khi hai tr\u1ee5c v\u00edt song song c\u1eaft v\u00e0 nung ch\u1ea3y PET, c\u00e1c m\u00e1y b\u01a1m ch\u00e2n kh\u00f4ng chuy\u00ean d\u1ee5ng t\u1ea1o ra \u0111\u1ed9 ch\u00e2n kh\u00f4ng m\u1ea1nh (th\u01b0\u1eddng d\u01b0\u1edbi 10 mbar) tr\u00ean l\u1edbp nh\u1ef1a n\u00f3ng ch\u1ea3y.<\/li>\n<li><strong>Lo\u1ea1i b\u1ecf ngay l\u1eadp t\u1ee9c:<\/strong> H\u01a1i n\u01b0\u1edbc v\u00e0 c\u00e1c ch\u1ea5t bay h\u01a1i \u0111\u01b0\u1ee3c h\u00fat ra kh\u1ecfi ch\u1ea5t l\u1ecfng n\u00f3ng ch\u1ea3y tr\u01b0\u1edbc khi ch\u00fang k\u1ecbp g\u00e2y ra ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n \u0111\u00e1ng k\u1ec3. Qu\u00e1 tr\u00ecnh n\u00e0y gi\u00fap \u201ct\u00e1i t\u1ea1o\u201d polymer ngay l\u1eadp t\u1ee9c.<\/li>\n<\/ul>\n<h2 style=\"font-size:22px;color:#000;font-weight:bold\">T\u1ea1i sao n\u00ean ch\u1ecdn TZ Machinery cho quy tr\u00ecnh \u0111\u00f9n nh\u1ef1a PET?<\/h2>\n<p>Khi c\u00e1c k\u1ef9 s\u01b0 h\u1ecfi, <em>\u201cC\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u00f9n rPET l\u00e0 g\u00ec?\u201d<\/em>, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh gi\u1eefa qu\u00e1 tr\u00ecnh kh\u1eed kh\u00ed ch\u00e2n kh\u00f4ng c\u1ee7a TZS-85PET v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng s\u1ea5y s\u01a1 b\u1ed9 truy\u1ec1n th\u1ed1ng:<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr style=\"background-color:#f0f0f0\">\n<th style=\"padding:10px;border:1px solid #ddd;text-align:left;font-weight:bold;color:#000\">T\u00ednh n\u0103ng<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;text-align:left;font-weight:bold;color:#000\">H\u1ec7 th\u1ed1ng s\u1ea5y s\u01a1 b\u1ed9<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;text-align:left;font-weight:bold;color:#000\">TZS-85PET - Thi\u1ebft b\u1ecb kh\u1eed kh\u00ed ch\u00e2n kh\u00f4ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd\">Ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng<\/td>\n<td style=\"padding:10px;border:1px solid #ddd\">Cao (s\u01b0\u1edfi \u1ea5m li\u00ean t\u1ee5c)<\/td>\n<td style=\"padding:10px;border:1px solid #ddd\">Th\u1ea5p (x\u1eed l\u00fd tr\u1ef1c ti\u1ebfp)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd\">Di\u1ec7n t\u00edch s\u00e0n<\/td>\n<td style=\"padding:10px;border:1px solid #ddd\">L\u1edbn (c\u1ea7n c\u00f3 c\u00e1c silo kh\u1ed5ng l\u1ed3)<\/td>\n<td style=\"padding:10px;border:1px solid #ddd\">Thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn (\u0111\u01b0\u1eddng n\u00e9t tinh g\u1ecdn)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd\">T\u00ednh linh ho\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u<\/td>\n<td style=\"padding:10px;border:1px solid #ddd\">Ch\u1ee7 y\u1ebfu l\u00e0 PET nguy\u00ean ch\u1ea5t<\/td>\n<td style=\"padding:10px;border:1px solid #ddd\">100% M\u1ea3nh v\u1ee5n \/ Ph\u1ebf li\u1ec7u rPET<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd\">IV: Gi\u1eef l\u1ea1i<\/td>\n<td style=\"padding:10px;border:1px solid #ddd\">T\u1ed1t<\/td>\n<td style=\"padding:10px;border:1px solid #ddd\">Tuy\u1ec7t v\u1eddi (b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f9n ph\u1ea3n \u1ee9ng)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"font-size:22px;color:#000;font-weight:bold\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<div style=\"background-color:#e3f2fd;padding:15px;border-radius:4px\">\n<p style=\"font-weight:bold;margin-bottom:8px;color:#000\">H\u1ecfi: C\u00f3 th\u1ec3 \u0111\u00f9n nh\u1ef1a PET m\u00e0 kh\u00f4ng c\u1ea7n s\u1ea5y kh\u00f4 kh\u00f4ng?<\/p>\n<p style=\"margin:0;color:#000\">A: \u0110\u00fang v\u1eady, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i song song \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng kh\u1eed kh\u00ed ch\u00e2n kh\u00f4ng cao nhi\u1ec1u giai \u0111o\u1ea1n. C\u00f4ng ngh\u1ec7 n\u00e0y, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong d\u00f2ng m\u00e1y TZS-85PET c\u1ee7a TZ Machinery, gi\u00fap lo\u1ea1i b\u1ecf \u0111\u1ed9 \u1ea9m tr\u1ef1c ti\u1ebfp kh\u1ecfi ch\u1ea5t n\u00f3ng ch\u1ea3y, nh\u1edd \u0111\u00f3 lo\u1ea1i b\u1ecf nhu c\u1ea7u s\u1ea5y s\u01a1 b\u1ed9 trong 4\u20136 gi\u1edd.<\/p>\n<\/div>\n<p><\/p>\n<div style=\"background-color:#e3f2fd;padding:15px;border-radius:4px\">\n<p style=\"font-weight:bold;margin-bottom:8px;color:#000\">C\u00e2u h\u1ecfi: \u0110\u1ed9 \u1ea9m \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a t\u1ea5m rPET?<\/p>\n<p style=\"margin:0;color:#000\">A: \u0110\u1ed9 \u1ea9m g\u00e2y ra ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n trong qu\u00e1 tr\u00ecnh \u0111\u00f9n, l\u00e0m \u0111\u1ee9t g\u00e3y c\u00e1c chu\u1ed7i ph\u00e2n t\u1eed. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 s\u1ee5t gi\u1ea3m \u0110\u1ed9 nh\u1edbt n\u1ed9i t\u1ea1i (IV), khi\u1ebfn c\u00e1c t\u1ea5m m\u00e0ng trong su\u1ed1t tr\u1edf n\u00ean gi\u00f2n, ng\u1ea3 v\u00e0ng ho\u1eb7c d\u1ec5 n\u1ee9t v\u1ee1 khi \u0111\u01b0\u1ee3c gia c\u00f4ng th\u00e0nh khay ho\u1eb7c h\u1ed9p \u0111\u1ef1ng.<\/p>\n<\/div>\n<h2 style=\"font-size:22px;color:#000;font-weight:bold\">K\u1ebft lu\u1eadn d\u00e0nh cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t n\u0103m 2026<\/h2>\n<p>V\u1edbi c\u00e1c quy \u0111\u1ecbnh nh\u01b0 Ngh\u1ecb \u0111\u1ecbnh s\u1ed1 12.688\/2025 c\u1ee7a Brazil y\u00eau c\u1ea7u t\u0103ng t\u1ef7 l\u1ec7 nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf, d\u00e2y chuy\u1ec1n \u0111\u00f9n c\u1ee7a qu\u00fd v\u1ecb ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng \u201cqu\u1ea3n l\u00fd \u0111\u1ed9 \u1ea9m th\u00f4ng minh\u201d. B\u1eb1ng c\u00e1ch chuy\u1ec3n sang s\u1eed d\u1ee5ng d\u00e2y chuy\u1ec1n tr\u1ee5c v\u00edt \u0111\u00f4i song song TZS-85PET, qu\u00fd v\u1ecb s\u1ebd gi\u1ea3m chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng, ti\u1ebft ki\u1ec7m kh\u00f4ng gian v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ngay c\u1ea3 khi s\u1eed d\u1ee5ng m\u1ea3nh nh\u1ef1a t\u00e1i ch\u1ebf 100%, v\u1eabn c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t ra t\u1ea5m PET c\u00f3 \u0111\u1ed9 trong su\u1ed1t cao v\u00e0 \u0111\u1ed9 b\u1ec1n cao.<\/p>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin k\u1ef9 thu\u1eadt v\u1ec1 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m trong qu\u00e1 tr\u00ecnh \u0111\u00f9n, vui l\u00f2ng truy c\u1eadp trang <a href=\"https:\/\/tz-machinery.com\/vi\/may-san-xuat-day-chuyen-dun-tam-nhua\/\">Th\u01b0 vi\u1ec7n s\u1ea3n ph\u1ea9m c\u1ee7a TZ Machinery<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Learn why moisture causes hydrolysis in PET extrusion and how the TZS-85PET&#8217;s vacuum degassing system processes 100% rPET without pre-drying, saving energy and protecting sheet quality.<\/p>","protected":false},"author":1,"featured_media":9384,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_yoast_wpseo_slug":"","footnotes":"","_yoast_wpseo_focuskw":"PET extrusion moisture","_yoast_wpseo_metadesc":"Moisture causes hydrolysis in PET extrusion, degrading IV and sheet quality. Learn how TZS-85PET vacuum degassing processes 100% rPET without pre-drying.","_yoast_wpseo_title":"Moisture Control in PET Extrusion: Prevent Hydrolysis | TZ"},"categories":[68],"tags":[],"class_list":["post-9378","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tz-machinery-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Moisture Control in PET Extrusion: Prevent Hydrolysis | TZ<\/title>\n<meta name=\"description\" content=\"Moisture causes hydrolysis in PET extrusion, degrading IV and sheet quality. 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