{"id":61633,"date":"2025-02-12T15:04:20","date_gmt":"2025-02-12T13:04:20","guid":{"rendered":"https:\/\/obera.fr\/nase-rada\/captation-filtration-mek\/"},"modified":"2025-06-27T14:23:45","modified_gmt":"2025-06-27T12:23:45","slug":"captation-filtration-mek","status":"publish","type":"post","link":"https:\/\/obera.fr\/lt\/musu-patarimas\/captation-filtration-mek\/","title":{"rendered":"MEK surinkimas ir filtravimas: sprendimas pramonin\u0117je aplinkoje"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Kas yra MEK?<\/h2>\n\n<p><strong>Metiletilketonas (MEK)<\/strong> arba <strong>butanonas<\/strong> yra pramon\u0117je pla\u010diai naudojamas organinis tirpiklis. Jis priklauso keton\u0173 \u0161eimai ir pasi\u017eymi lakumu bei didele tirpumo geba. Jis yra bespalvis ir turi b\u016bding\u0105 kvap\u0105, greitai garuoja, tod\u0117l j\u012f lengva naudoti, ta\u010diau jis kelia sunkum\u0173 saugos ir i\u0161metam\u0173j\u0173 ter\u0161al\u0173 valdymo po\u017ei\u016briu.  <\/p>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image.jpeg\" alt=\"image\" class=\"wp-image-61186\" style=\"width:296px;height:auto\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image.jpeg 700w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-300x300.jpeg 300w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-150x150.jpeg 150w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-400x400.jpeg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-600x600.jpeg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">Kam jis naudojamas?<\/h2>\n\n<p>MEK daugiausia naudojamas kaip <strong>tirpiklis<\/strong> daugelyje pramonini\u0173 preparat\u0173, ypa\u010d :<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Da\u017eai ir dangos<\/strong> (grei\u010diau d\u017ei\u016bsta).<\/li>\n\n\n\n<li><strong>Klijai ir klijai<\/strong> (geresnis klampumas ir sukibimo galia).<\/li>\n\n\n\n<li><strong>Chemijos pramon\u0117,<\/strong> skirta derv\u0173, polimer\u0173 ir kit\u0173 jungini\u0173 sintezei.<\/li>\n\n\n\n<li><strong>Pavir\u0161i\u0173 valymas<\/strong> aviacijos ir automobili\u0173 sektoriuose.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Kokiose pramon\u0117s \u0161akose naudojamas MEK?<\/h2>\n\n<p>MEK naudojamas daugelyje pramon\u0117s sektori\u0173:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Automobili\u0173 pramon\u0117<\/strong> (da\u017e\u0173 ir lak\u0173 gamyba).<\/li>\n\n\n\n<li><strong>Aviacijos pramon\u0117<\/strong> (valymas ir nuriebalinimas).<\/li>\n\n\n\n<li><strong>Plastik\u0173 ir gumos pramon\u0117<\/strong> (polimer\u0173 gamyba).<\/li>\n\n\n\n<li><strong>Farmacijos pramon\u0117<\/strong> (chemin\u0117 sintez\u0117).<\/li>\n\n\n\n<li><strong>Spausdinimas<\/strong> (ra\u0161alo sud\u0117tis).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Koki\u0173 ter\u0161al\u0173 yra MEK?<\/h2>\n\n<p>MEK yra <strong>laki<\/strong> med\u017eiaga, kurioje gali b\u016bti priemai\u0161\u0173 arba garuojant gali susidaryti pavojing\u0173 \u0161alutini\u0173 produkt\u0173, pvz:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/obera.fr\/lt\/produits\/traitement-cov\/\">Lakieji organiniai junginiai (LOJ), <\/a>galintys daryti poveik\u012f sveikatai ir aplinkai.<\/li>\n\n\n\n<li><strong>Smulkios dalel\u0117s<\/strong>, jei tirpiklis pur\u0161kiamas.<\/li>\n\n\n\n<li><strong>Deg\u016bs garai, kuri\u0173<\/strong> per didel\u0117 koncentracija ore kelia sprogimo pavoj\u0173.<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"969\" height=\"646\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-1.jpeg\" alt=\"image\" class=\"wp-image-61210\" style=\"width:480px;height:auto\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-1.jpeg 969w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-1-300x200.jpeg 300w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-1-768x512.jpeg 768w\" sizes=\"(max-width: 969px) 100vw, 969px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">Kokios yra profesinio poveikio ribin\u0117s vert\u0117s (OEL)?<\/h2>\n\n<p>Taisykl\u0117se nustatyti grie\u017eti apribojimai, skirti apsaugoti darbuotojus, susidurian\u010dius su MEK. Remiantis rekomendacijomis, <strong>8 valand\u0173 OEL<\/strong> (profesinio poveikio ribin\u0117s vert\u0117s per 8 valandas) : <\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Med\u017eiaga<\/strong><\/td><td><strong>\u0160alis<\/strong><\/td><td><strong>VLEP 8h (ppm)<\/strong><\/td><td><strong>VLEP 8h (mg\/m3)<\/strong><\/td><td><strong>VLEP CT (ppm)<\/strong><\/td><td><strong>VLEP CT (mg\/m3)<\/strong><\/td><\/tr><tr><td rowspan=\"4\"><strong>Butanonas<\/strong><\/td><td>Pranc\u016bzija (privalomas VLEP &#8211; 2007 m.)<\/td><td>200<\/td><td>600<\/td><td>300<\/td><td>900<\/td><\/tr><tr><td>Europos S\u0105junga (2000 m.)<\/td><td>200<\/td><td>600<\/td><td>300<\/td><td>900<\/td><\/tr><tr><td>Jungtin\u0117s Amerikos Valstijos (ACGIH &#8211; 2001 m.)<\/td><td>200<\/td><td>590<\/td><td>300<\/td><td>885<\/td><\/tr><tr><td>Vokietija (MAK vert\u0117s)<\/td><td>200<\/td><td>600<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">MEK: degus ir sprogus produktas<\/h2>\n\n<p>MEK klasifikuojamas kaip <strong>degus<\/strong> ir <strong>potencialiai sprogus<\/strong>. D\u0117l \u017eemos pli\u016bpsnio temperat\u016bros (apie -9 \u00b0C) jis yra pavojingas produktas pramonin\u0117je aplinkoje. Netinkamai valdant jo i\u0161metim\u0105 \u012f or\u0105 gali kilti gaisro ar sprogimo pavojus, ypa\u010d esant u\u017edegimo \u0161altiniui.  <\/p>\n\n<h2 class=\"wp-block-heading\">Kaip j\u0105 gydyti?<\/h2>\n\n<h3 class=\"wp-block-heading\">???? \u0160altinio fiksavimas darbo vietose &#8211; ePURBOX ATEX<\/h3>\n\n<p><br\/>Siekiant u\u017ekirsti keli\u0105 MEK gar\u0173 sklaidai, veiksmingiausias sprendimas yra <strong>\u0161altinio surinkimas<\/strong>. &#8222;ePURBOX ATEX&#8221; yra specialiai sukurtas aplinkai, kurioje gerai identifikuojamas emisijos \u0161altinis. \u0160i \u012franga leid\u017eia :  <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Vietinis<\/strong> gar\u0173 <strong>i\u0161traukimas<\/strong> prie\u0161 i\u0161sklaidant juos dirbtuv\u0117se.<\/li>\n\n\n\n<li><strong>Filtravimas pritaikytas ATEX aplinkai,<\/strong> tod\u0117l suma\u017e\u0117ja sprogimo rizika.<\/li>\n\n\n\n<li><strong>Atitiktis galiojantiems saugos standartams<\/strong>.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">???? Aplinkos valymas &#8211; ePUR50 su aktyvuota anglimi<\/h3>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p><br\/>Kai i\u0161metam\u0173 MEK ter\u0161al\u0173 negalima visi\u0161kai surinkti j\u0173 susidarymo vietoje, b\u016btina juos apdoroti aplinkoje. Valytuvas <a href=\"https:\/\/obera.fr\/lt\/produits\/purificateurs-air\/industriel-epur\/\">ePUR50 su aktyvi\u0105ja anglimi<\/a> leid\u017eia : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Surinkite ir neutralizuokite<\/strong> aplinkos ore esan\u010dius MEK garus.<\/li>\n\n\n\n<li><strong>Suma\u017einkite laki\u0173j\u0173 organini\u0173 jungini\u0173 koncentracij\u0105<\/strong>, kad i\u0161laikytum\u0117te sveik\u0105 aplink\u0105.<\/li>\n\n\n\n<li><strong>Ribokite degi\u0173 gar\u0173 kaupimosi<\/strong> dirbtuv\u0117se <strong>rizik\u0105<\/strong>.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"549\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix-1024x549.jpg\" alt=\"aktyvintosios anglies mi&#x161;inys\" class=\"wp-image-76515\" style=\"width:330px;height:auto\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix-1024x549.jpg 1024w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix-300x161.jpg 300w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix-768x412.jpg 768w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">I\u0161vada<\/h2>\n\n<p><strong>MEK<\/strong> yra pla\u010diai naudojamas tirpiklis, ta\u010diau pramonin\u0117je aplinkoje kelia pavoj\u0173 sveikatai ir saugai. Norint u\u017etikrinti veiksming\u0105 darbuotoj\u0173 ir \u012frengini\u0173 apsaug\u0105, b\u016btina taikyti tinkamus sprendimus, pavyzd\u017eiui,<strong>ePURBOX ATEX<\/strong> (\u0161altinio surinkimas) ir<strong>ePUR50 su aktyvuota anglimi<\/strong> (aplinkos valymas). <\/p>\n\n<p>\u27a1\ufe0f <strong>Apsaugokite savo pramonin\u0119 aplink\u0105 naudodami didelio na\u0161umo filtravimo sprendimus, atitinkan\u010dius galiojan\u010dias taisykles!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Metiletilketonas (MEK) arba butanonas yra pramon\u0117je pla\u010diai naudojamas organinis tirpiklis. Jis priklauso keton\u0173 \u0161eimai ir pasi\u017eymi lakumu bei didele tirpumo geba.<\/p>\n","protected":false},"author":13,"featured_media":80749,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"MEK surinkimas ir filtravimas: sprendimas pramonin\u0117je aplinkoje","_seopress_titles_desc":"Metiletilketonas (MEK) arba butanonas yra pramon\u0117je pla\u010diai naudojamas organinis tirpiklis. Jis priklauso keton\u0173 \u0161eimai ir pasi\u017eymi lakumu.","_seopress_robots_index":"","footnotes":""},"categories":[135],"tags":[136],"class_list":["post-61633","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-musu-patarimas","tag-entete-mazas","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","no-featured-image-padding","resize-featured-image"],"acf":[],"_links":{"self":[{"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/posts\/61633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/comments?post=61633"}],"version-history":[{"count":5,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/posts\/61633\/revisions"}],"predecessor-version":[{"id":116477,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/posts\/61633\/revisions\/116477"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/media\/80749"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/media?parent=61633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/categories?post=61633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/tags?post=61633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}